Geopolitics & Diplomacy in the 20th century
2,872 sourced entries, 1900 CE to 1999 CE, oldest first. Also see Geopolitics & Diplomacy across every century or everything else in the 20th century.
- 1900January 14 – The U.S. Senate accepts the British-German Treaty of 1899, in which the United Kingdom renounces its claims to the American Samoa portion of the Samoan Islands.source
- 190030 January - Luis Gálvez Rodríguez de Arias is restored to the governorship of Acre.Brazilsource
- 1900February 5 – The United Kingdom and the United States sign a treaty for the building of a Central American shipping canal across Central America in Nicaragua.source
- 1900February 6 – The International Arbitration Court at The Hague is created, when the Netherlands' Senate ratifies an 1899 peace conference decree.source
- 190016 February – In Washington, British Ambassador Lord Pauncefote, and German Ambassador Baron Theodor von Holleben meet Secretary of State Hay at the State Department, and exchange ratifications of the Samoan Treaty signed by all three nations. "Secretary Hay retained for the United States the copy of the treaty which was ratified by the United States Senate. He handed to Lord Pauncefote and to Herr von Holleben copies of the treaty bearing the signatures of the President and himself", reported the New York Times. Similar proceedings take place in London and Berlin with the foreign ministers and ambassadors, completing the Tripartite Convention of 1899. Under the treaty, the Pacific islands of Samoa are divided between the U.S. (as American Samoa) and Germany (later the Independent State of Samoa).Germanysource
- 1900March 13 – A Joint Diplomatic Delegation consisting of Abraham Fischer and C.H. Wessels for the Orange Free State and A.D.W. Wolmarans for the South African Republic, with J.M. de Bruin as secretary, embarks at Lourenço Marques for Europe and the United States, seeking international intervention in the South African War and aid for the beleaguered Boer republics.South Africasource
- 190027 April – August Hermann Ferdinand Carl Goos is appointed Minister for Iceland.Icelandsource
- 1900May 18 – The United Kingdom proclaims a protectorate over Tonga.source
- 1900May 24 – Second Boer War: The British annex the Orange Free State, as the Orange River Colony.source
- 1900June 10 – Second round of the Italian general election. The Pelloux government fails to win a majority of seats. The "ministerial" left-wing bloc of the Historical Left led by Giovanni Giolitti remains the largest in Parliament, winning 296 of the 508 seats. The model of strong government advocated by the conservative Sidney Sonnino is discredited. More moderate politicians like Zanardelli and Giolitti resort back to more "conciliatory" politics.Italysource
- 1900June 14 – The Reichstag approves the second of the German Naval Laws allowing expansion of the Imperial German Navy.source
- 1900June 21 – Military governor Gen. MacArthur issues a proclamation providing amnesty to those who fought against the United States since the previous year, giving a 90-day period for them to swear an allegiance to the colonial government.Philippinessource
- 1900July 9 – The Federation of Australia is enacted, marking the unification of its colonies into a single country.source
- 1900September 12 – Admiral Fredrik von Otter becomes Prime Minister of Sweden.source
- 1900October 9 – The Cook Islands become a territory of the United Kingdom.source
- 1900October 24 – 1900 United Kingdom general election: voting concludes with the Unionists led by the Marquess of Salisbury re-elected.source
- 1900October 25 – The United Kingdom annexes the Transvaal.source
- 1900November 6 – 1900 United States presidential election: Republican incumbent William McKinley is re-elected by defeating Democratic challenger William Jennings Bryan in a rematch.source
- 1900November 7 – 1900 Canadian federal election: Liberal incumbent Sir Wilfrid Laurier is reelected by defeating Conservative leader Sir Charles Tupper again after having done that in the 1896 Canadian federal election.source
- 19007 November – The Treaty of Washington is signed, clarifying the Spanish Empire's cession of the Philippines as agreed by the 1898 Treaty of Paris.Spainsource
- 190025 November – Legislative election: The Regeneration Party of Prime Minister Ernesto Hintze Ribeiro wins an absolute majority in the Chamber of Deputies, taking 104 of the 138 seats available. The Progressive Party wins 28 seats to finish as the second largest party.Portugalsource
- 1900December 19 – Hopetoun Blunder: The first Governor-General of Australia, John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government, and is forced to resign.source
- 1901January 1 – Nigeria becomes a British protectorate.source
- 1901January 1 – The British colonies of New South Wales, Queensland, South Australia, Tasmania, Victoria and Western Australia federate as the Commonwealth of Australia; Edmund Barton becomes the first Prime Minister of Australia.source
- 1901February 12 – Viceroy of India Lord Curzon creates the new North-West Frontier Province in the north of the Punjab region, bordering Afghanistan.source
- 1901February 14 – Edward VII opens his first parliament of the United Kingdom.source
- 1901February 15 – Giuseppe Zanardelli forms a new government with Giovanni Giolitti as Interior minister, that would last until 3 November 1903. Giolitti, who was considered to be the true leader of the cabinet, would dominate Italian politics until World War I, a period known as the Giolittian Era in which Italy experienced an industrial expansion, the rise of organised labour and the emergence of an active Catholic political movement.Italysource
- 1901February 20 – The Hawaii Territory Legislature convenes for the first time.source
- 1901February 23 – The United Kingdom and Germany agree on the frontier between German East Africa and Nyasaland.source
- 190123 February – Germany agrees the frontier between German East Africa and the British colony of Nyasaland with the United Kingdom.Germanysource
- 1901March 1 – The United Kingdom, Germany and Japan protest the Sino-Russian agreement on Manchuria.source
- 1901March 2 – The United States Congress passes the Platt Amendment, limiting the autonomy of Cuba as a condition for the withdrawal of American troops.source
- 1901March 4 – President William McKinley begins his second term; Theodore Roosevelt is sworn in as Vice President.United Statessource
- 1901April 19 – The First Philippine Republic is formally dissolved, after president Emilio Aguinaldo calls all Filipino forces to lay down arms and cease hostilities.source
- 1901May 5 – The Caste War of Yucatán in Mexico officially ends, although Mayan skirmishers continue sporadic fighting for another decade.source
- 1901May 9 – The first Australian Parliament opens in Melbourne.source
- 190117 May – José Manuel Álvarez becomes Governor of Córdoba.Argentinasource
- 1901May 19: Spanish general election, 1901Spainsource
- 1901June 12 – Cuba becomes a United States protectorate.source
- 1901July 4 – William Howard Taft becomes Governor-General of the Philippines.source
- 190124 July – Peter Adler Alberti is appointed Minister for Iceland.Icelandsource
- 1901July 31 – US Philippine Commission Act 183 is enacted, incorporating Manila as the country's first city; it would take effect on August 7.Philippinessource
- 1901September 7 – The Boxer Protocol is signed between the Qing Empire of China and the Eight-Nation Alliance. Japan is represented by the Minister for Foreign Affairs Komura Jutarō.Japansource
- 1901September 14 – Vice President Theodore Roosevelt becomes the 26th president of the United States, upon President William McKinley's death.source
- 19016 October - Legislative electionPortugalsource
- 1901December 3 – The Immigration Restriction Act 1901 is passed by the new Parliament of Australia as the basis of a White Australia policy.source
- 1901December 3 – U.S. President Theodore Roosevelt delivers a 20,000-word speech to the United States House of Representatives asking Congress to curb the power of trusts "within reasonable limits".source
- 1902January 30 – The Anglo-Japanese Alliance is signed.source
- 19021 March - Presidential election: Rodrigues Alves of the Republican Party of São Paulo receives 91.7% of the vote. Francisco Silviano de Almeida Brandão is elected vice-president but dies suddenly before the start of his term of office.Brazilsource
- 1902March 15 – The Pattani Sultanate is abolished by the Siamese authority after the last sultan of Pattani refused new administrative reforms by the Siamese.source
- 1902May 13 – Alfonso XIII of Spain begins his reign.source
- 1902May 20 – Cuba gains independence from the United States.source
- 190228 May – Pacts of May: Chile and Argentina sign four protocols intended to improve relations and resolve territorial disputes.Argentinasource
- 1902May 31 – The Treaty of Vereeniging ends the Second Boer War, providing for the Transvaal Colony and Orange Free State to transition to self-governing British colonies.source
- 1902June 16 – The Commonwealth Franchise Act in Australia grants women's suffrage in federal elections for resident British subjects (with certain ethnic minorities excepted), making Australia the first independent country to grant women the vote at a national level, and the first country to allow them to stand for Parliament.source
- 1902June 30 – Italy and France sign a secret treaty whereby France agreed to back Italy's claims in Libya (Tripolitania), while Italy supported French influence in Morocco. Italy was to remain neutral in case of German aggression against France, undermining the Triple Alliance.Italysource
- 1902July 5 – Erik Gustaf Boström returns as Prime Minister of Sweden.source
- 1902July 8 – The United States Bureau of Reclamation is established within the U.S. Geological Survey.source
- 1902July 11 – Lord Salisbury retires as Prime Minister of the United Kingdom.source
- 1902August 10 – Japanese general election: The result was a victory for the Rikken Seiyūkai party, which won 191 of the 376 seats. Voting remained restricted to men aged over 25 who paid at least 10 yen a year in direct taxation, although 1900 electoral reforms had reduced the figure from 15 yen, increasing the proportion of the population able to vote from 1% to 2%.Japansource
- 1902November 1 – France attempts to neutralize Triple Alliance, signing agreement with Italy to remain neutral in Africa.source
- 190220 November – The Cordillera of the Andes Boundary Case 1902 (Argentina, Chile) is settled.Chilesource
- 1902December 7 – both Britain and Germany issued ultimatums to Venezuela, even though there was still disagreement about whether to impose a pacific blockade (as the Germans wanted) or a war blockade (as the British wanted)Venezuelasource
- 1902The first Korean Empire passports are issued to assist Korean immigration to Hawaii.source
- 1902signing of the Mackay Treaty — a sixteen article treaty signed by the governments of Great Britain and the Chinese Qing dynasty on 5 September 1902. Under the terms of the treaty, the likin system of taxation was abolished and the first moves made to abolish extraterritoriality for foreign nationals.Chinasource
- 1902The National Defence Party is established.Icelandsource
- 1903January 1 – Edward VII is proclaimed Emperor of India.source
- 1903January – Voters in El Salvador voted for Pedro José Escalón to be President of El Salvador.El Salvadorsource
- 1903February 13 – Venezuelan crisis: After agreeing to arbitration in Washington, the United Kingdom, Germany and Italy reach a settlement with Venezuela resulting in the Washington Protocols. The naval blockade that began in 1902 ends.source
- 190313 February – Venezuelan crisis. After agreeing to arbitration in Washington, Britain, Germany and Italy reach a settlement with Venezuela, resulting in the Washington Protocols. The naval blockade that began in December 1902 will be lifted, and Venezuela commit 30% of its customs duties to settling claims.Germanysource
- 1903February 23 – Cuba leases Guantánamo Bay to the United States "in perpetuity".source
- 1903March 1 – 1903 Japanese general election: The Rikken Seiyūkai party remained the largest in the House of Representatives, winning 175 of the 376 seats, but lost its majority.Japansource
- 1903March 13 – Having abolished the Sokoto Caliphate in West Africa, the new British administration accepts the concession of its last vizier.source
- 1903June 13 – Prime Minister Giuseppe Zanardelli resigns after losing a vote in the Italian Chamber of Deputies. However, after several attempts the Cabinet is reconstructed. The Interior Minister Giovanni Giolitti resigns and is replaced.Italysource
- 1903July 7 – Britain take over the Fulani Empire.source
- 1903August 3 – The Kruševo Republic is proclaimed in Ottoman Macedonia; it is crushed 10 days later.source
- 1903August 13 - Tsar Nicolas II appointed Alexeyev as viceroy in charge of all civil and military authority over Russian possessions in the Far East, including Russian-occupied Manchuria, the Liaodong Peninsula, and Russia Amur Military District (present day Primorsky Krai).Chinasource
- 1903November 3 – Separation of Panama from Colombia: With the encouragement of the United States, Panama proclaims itself independent of Colombia.source
- 190311 November - Treaty of Petrópolis with BrazilBoliviasource
- 190311 November - The Treaty of Petrópolis ends tension between Brazil and Bolivia over the then-Bolivian territory of Acre (today the Acre state).Brazilsource
- 1903November 13 – The United States recognizes the independence of Panama.source
- 1903ongoing - Central Committee compositions elected by the 1st–3rd congresses of the Russian Social Democratic Labour PartyRussiasource
- 1904February 23 – Japan–Korea Treaty of February 1904Japansource
- 1904April 8 – The Entente Cordiale is signed between the UK and France.source
- 19048 April – The Convention of Istanbul, signed by a number of powers including Germany in 1888, came into force.Germanysource
- 1904April 27 – The Australian Labor Party becomes the first such party to gain national government, under Chris Watson.source
- 1904June 21 — A special Imperial pardon is extended to all reformers of 1898, except Sun Yat-sen, Liang Qichao, and Kang YouweiChinasource
- 190426 June - Legislative electionPortugalsource
- 1904August 14 – Ismael Montes becomes President of Bolivia.source
- 1904September 27 – Prime Minister Giovanni Giolitti visits the German Chancellor Bernhard von Bülow to allay concerns in Berlin by the French-Italian rapprochement in relation with the Triple Alliance.Italysource
- 190420 October – The Treaty of Peace and Friendship (1904) is signed.Chilesource
- 1904October 28 – Panama and Uruguay establish diplomatic relations.source
- 1904November 8 – 1904 United States presidential election: Republican incumbent Theodore Roosevelt defeats Democrat Alton B. Parker.source
- 1904December 6 – Theodore Roosevelt announces his "Corollary" to the Monroe Doctrine, stating that the United States will intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.source
- 190414 December - The National Congress of Brazil approves a large naval acquisition programme.Brazilsource
- 1904The position of Prime Minister of Iceland is established with Hannes Þórður Pétursson Hafstein of the Home Rule Party taking the position on 1 February.Icelandsource
- 1905January 3 – Japan formally repossesses Port Arthur, and renames it Ryojun, holding it for the next 40 years. The area will revert in 1945 to China, and become the Lushunkou District.source
- 1905January 17 – In France, Prime Minister Émile Combes and his cabinet announce their resignations after being implicated in the Affair of the Cards (L'Affaire des Fiches), a system set up by the War Ministry to purge the French Army officers corps of Jesuits.source
- 1905January 21 – The Dominican Republic signs an agreement with the United States to allow the U.S. to administer the collection of customs taxes for Santo Domingo for 50 years, with the U.S. to assume responsibility for payment of the Republic's debts to foreign nations from Dominican income. The agreement is done as an exercise of the "Roosevelt Corollary" to the Monroe Doctrine.source
- 1905January 26 – Elections are held in Hungary for the Országgyűlés, the Kingdom's parliament within Austria-Hungary. Voters overwhelmingly reject the Liberal Party, led by Prime Minister István Tisza, that has ruled Hungary since 1875. The Liberals lose 118 of their 277 seats, but Emperor Franz Joseph I of Austria-Hungary ignores the results and keeps Tisza in power.source
- 1905January 27 – The Nelson Act is passed into law in the United States, providing for racial segregation of schools in the Alaska Territory.source
- 1905Non-whites are not given voting rights, except in the Cape Colony.South Africasource
- 190512 February – Portuguese legislative election, 1905.Portugalsource
- 1905February 21 – Sir Wilfrid Laurier introduces a resolution in the Canadian parliament proposing that two new provinces, Alberta and Saskatchewan, be created out of the Northwest Territories.source
- 1905March 3 – Tsar Nicholas II of Russia announces the creation of an elected assembly, the Duma, to represent the people of the Russian Empire in an advisory capacity, although the real power to make laws will remain with the Tsar and the cabinet of ministers.source
- 1905March 20 – The title Prime Minister of the United Kingdom is officially recognised by King Edward VII by a royal warrant.source
- 190531 March – during the First Moroccan Crisis, Kaiser Wilhelm II of Germany met with representatives of Sultan Abdelaziz of Morocco in TangierGermanysource
- 1905April 1 – The British Imperial Penny Post is extended to include Australia.source
- 1905April – The Italian government acquired control (from a private Italian company called SACI) of the coastal area around Mogadishu, and creates the colony of Italian Somaliland.Italysource
- 1905May 30 – Japan's Prime Minister Katsura Tarō asks U.S. President Theodore Roosevelt to moderate peace discussions to end the Russo-Japanese War.source
- 1905June 7 – The Norwegian Parliament, the Storting, declares dissolution of the union between Norway and Sweden, giving Norway full independence.source
- 1905July 5 – Alfred Deakin takes office as the new Prime Minister of Australia.source
- 19055 July – Alfred Deakin resumes office as Prime Minister of Australia after George Reid is unable to form a stable ministry.Australiasource
- 1905July 27 – The Taft–Katsura agreement is reached in Tokyo.source
- 1905August 11 – The Russian Council appointed by Tsar Nicholas II meets at Peterhof and approves a plan for a national Duma, the first representative assembly in the Empire.source
- 1905August 20 – Chinese revolutionary leader Sun Yat-sen forms the first chapter of Tongmenghui, a union of all secret societies determined to bringing down the Manchu dynasty.source
- 1905September 1 – The Canadian provinces of Alberta and Saskatchewan are established from the southwestern part of the Northwest Territories.source
- 1905September 5 – Russo-Japanese War: Treaty of Portsmouth – In New Hampshire, a treaty mediated by U.S. President Theodore Roosevelt is signed by Japan and Russia. Russia cedes the island of Sakhalin together with port and rail rights in Manchuria to Japan.source
- 1905September 5: Treaty of Portsmouth signed, ending Russo-Japanese WarJapansource
- 1905September 5 – Russo-Japanese War – Treaty of Portsmouth: In New Hampshire, a treaty mediated by U.S. President Theodore Roosevelt is signed by Japan and Russia. Russia cedes the island of Sakhalin and port and rail rights in Manchuria to Japan.Russiasource
- 1905October 16 – The Partition of Bengal is made by Lord Curzon to separate the region of Bengal into Muslim and Hindu territories until its reunification in 1911.source
- 1905October 26 Sweden–Norway agrees to the repeal of the union with Norway, forming the two modern-day countries.source
- 1905October 30 (October 17 Old Style) – October Manifesto: Tsar Nicholas II of Russia is forced to announce the granting of his country's first constitution (the Russian Constitution of 1906), conceding a national assembly (State Duma) with limited powers.source
- 1905November 4 – Russification of Finland: The application of the February Manifesto, removing the veto of the Diet of the autonomous Grand Duchy of Finland over matters considered by the Emperor to concern Russian imperial interests, is interrupted by the new November Manifesto. The Senate of Finland is ordered to put forward a proposal for parliamentary reform, based on unicameralism and universal and equal suffrage.source
- 1905November 12 – Norway holds a plebiscite on the monarchy, resulting in popular approval of the Storting's decision to authorise the government to make the offer of the throne of the newly independent country.source
- 1905November 17 – The Japan–Korea Treaty of 1905 ("Eulsa Treaty") effectively makes Korea a protectorate of Japan.source
- 1905December 23 – The Tampere conference, where Vladimir Lenin and Joseph Stalin meet for the first time, is held in Tampere, Finland.source
- 1905Constitutionalization attempts in Iran.Iransource
- 1906January 12 – Persian Constitutional Revolution: A nationalistic coalition of merchants, religious leaders and intellectuals in Persia forces the shah Mozaffar ad-Din Shah Qajar to grant a constitution, and establish a national assembly, the Majlis.source
- 1906February 8 – Sidney Sonnino forms a new Cabinet, representing the Historical Right. Giolitti does not openly oppose Sonnino, but his followers of the Historical Left do.Italysource
- 19061 March: In the presidential election, Afonso Pena of the Mineiro Republican Party receives 97.9% of the vote.Brazilsource
- 1906April 23 – In the Russian Empire, the Fundamental Laws are announced at the first state Duma.source
- 1906April 27 - Chinese representative Tang Shaoyi and the British Ambassador to China, Ernest Mason Satow, formally signed the Convention Between Great Britain and China Respecting Tibet. Britain agreed not to occupy Tibet and not to interfere in Tibetan politics.Chinasource
- 1906May 2 – Lord Alfred Milner, British colonial secretary and the High Commissioner for Southern Africa, returns to Britain.South Africasource
- 1906May 27 – The first inmates are moved to the Culion leper colony by the American Insular Government of the Philippine Islands.source
- 1906May 29 – Karl Staaff steps down as Prime Minister of Sweden over the issue of expanded voting rights. He is replaced by right-wing naval officer and public official Arvid Lindman.source
- 1906July 6 – The Second Geneva Convention meets.source
- 1906July 12 – Alfred Dreyfus is exonerated. He is reinstalled in the French Army on July 21, thus ending the Dreyfus affair.source
- 1906July 20 – In the Grand Duchy of Finland, a new electoral law is ratified, guaranteeing full women's suffrage, the first in modern Europe. Women can also stand in national elections.source
- 19066 August: Joseph Ward is sworn in as prime minister, taking over from acting prime minister William Hall-Jones.New Zealandsource
- 190619 August – Portuguese legislative election, August 1906.Portugalsource
- 1906October 6 – The National Consultative Assembly (Majlis) of Iran convenes for the first time.source
- 1906December 6 – The Transvaal Colony is granted responsible self-government by Britain.source
- 1906December 13 – The United Kingdom, France and Italy sign an agreement to preserve, in Ethiopia, the integrity of the ancient empire of Abyssinia.source
- 19061906 Persian legislative election.Iransource
- 19061906 Russian legislative electionRussiasource
- 190718 January – Parliament of Coz CozChilesource
- 1907February 15 – Gentlemen's Agreement of 1907Japansource
- 19071 March – Liberal Fernando Figueroa was sworn in as President of El Salvador. Manuel Enrique Araujo was sworn in as Vice President.El Salvadorsource
- 1907March 15–16 – Elections to the new Parliament of Finland are the first in the world for a national assembly with woman candidates, as well as the first elections in Europe where universal suffrage is applied; 19 women are elected.source
- 190720 April - Brazil annexed land in the East from Colombia through the Vásquez Cobo–Martins treaty.Brazilsource
- 1907May 7 – Liberian constitutional referendum, 1907Liberiasource
- 1907June 15 – The Second Hague Peace Conference opens at The Hague.source
- 1907July 1 – The Orange River Colony gains autonomy, as the Orange Free State.source
- 1907July 24 – The Japan–Korea Treaty of 1907 brings the government and military of the protectorate of Korea more firmly under Japanese control.source
- 1907July 30 – First Philippine Assembly elections were held.Philippinessource
- 1907August 31 – Count Alexander Izvolsky and Sir Arthur Nicolson sign the Anglo-Russian Entente in Saint Petersburg, bringing a pause in The Great Game in Central Asia, and establishing the Triple Entente.source
- 1907August – an Anglo-Russian agreement divided Iran into two zones of interests: a Russian zone in the North and a British zone in the South.Iransource
- 1907September 26 – New Zealand and Newfoundland become dominions of the British Empire.source
- 1907October – A committee of the Delegation for the Adoption of an International Auxiliary Language, made up of academics including Otto Jespersen, Wilhelm Ostwald and Roland Eötvös, meet in Paris to select a language for international use. The committee ultimately decides to reform Esperanto.source
- 1907November 16 – President Theodore Roosevelt proclaims that Oklahoma has become the 46th U.S. state.source
- 1907December 17 – Ugyen Wangchuck becomes the first Druk Gyalpo (king of Bhutan).source
- 1907Prime Minister – Giovanni Giolitti (1906–1909)Italysource
- 1908April 5 – The Italian Parliament enacts a basic law to unite all of the parts of southern Somalia into an area called Somalia Italiana.Italysource
- 19085 April – Portuguese legislative election, 1908.Portugalsource
- 1908April 8 – H. H. Asquith of the Liberal Party takes office as Prime Minister of the United Kingdom, succeeding Sir Henry Campbell-Bannerman.source
- 1908June 26 – Carl Gustaf Emil Mannerheim, a future President of Finland, meets the 13th Dalai Lama in Shanxi, China, becoming only the third European to be granted an audience with him.source
- 1908July 22 — The Qing government issues the Outline of Imperial Constitution, based on the Meiji Constitution of Japan, which establishes a framework for local and national legislative elections to be held.Chinasource
- 1908July 23 – Young Turk Revolution: The Committee of Union and Progress (CUP) issues a formal ultimatum to Sultan Abdul Hamid II, to restore the constitution of 1876 within the Ottoman Empire; it is restored the following day.source
- 1908August 24 – After an intense power struggle, Sultan Abdelaziz of Morocco is deposed and is succeeded by his brother Abd al-Hafid.source
- 190810 September – At the 1908 Icelandic prohibition referendum, a ban on importing alcohol is approved by 60.1% of voters.Icelandsource
- 1908October 5 – Bulgaria declares its independence from the Ottoman Empire; Ferdinand I of Bulgaria becomes Tsar.source
- 19088 October – The capital of Australia is chosen, settling a feud between rivals Melbourne and Sydney.Australiasource
- 1908November 3 – 1908 United States presidential election: Republican candidate William Howard Taft defeats William Jennings Bryan, 321 electoral votes to 162.source
- 1908November 15 – King Leopold II of Belgium formally relinquishes his personal control of the Congo Free State (becoming Belgian Congo) to Belgium, following evidence collected by Roger Casement of maladministration.source
- 190815 November - The emergence of Umbanda through Zélio Fernandino de Moraes.Brazilsource
- 1908November 19 – Women's suffrage is passed in Victoria, Australia.source
- 1908November 30 – Root–Takahira AgreementJapansource
- 1908December 2 – Emperor Puyi ascends the Chinese throne at age 2 in succession to his uncle. He will reign for 3 years, then again for 11 days, and finally for 11 years as a puppet emperor.source
- 1908Johann Heinrich von Bernstorff is appointed German ambassador to the United States.Germanysource
- 1909January 7 – Colombia recognizes the independence of Panama.source
- 1909January 11 – The International Joint Commission on US-Canada boundary waters is established.source
- 1909February 2 – The Paris Film Congress opens. It is an attempt to create a cartel of leading European producers similar to the MPPC in the United States.source
- 1909March 10 – The Anglo-Siamese Treaty of 1909 is signed in Bangkok.source
- 1909March 22 – 1909 Alberta election: Alexander Rutherford's Liberals win a second consecutive majority.Canadasource
- 1909April 27 – Sultan of the Ottoman Empire Abdul Hamid II is overthrown and succeeded by his brother, Mehmed V.source
- 19092 June – The Labor government of Andrew Fisher is ousted from office by Alfred Deakin's Fusion Party, and Deakin becomes Prime Minister for the third time.Australiasource
- 1909July 16 – A revolution forces Mohammad Ali Shah of the Qajar dynasty to abdicate in favor of his son Ahmad Shah Qajar. He proceeds to leave Persia for the Russian Empire, reportedly seeking the assistance of Nicholas II of Russia in regaining the throne.source
- 19098 September: The Velarde-Río Branco treaty between Brazil and Peru is signed, establishing borders south of the Yavarí.Brazilsource
- 1909October 24 – At the Italian city of Racconigi, Tsar Nicholas II of Russia was hosted by King Victor Emmanuel III. The foreign ministers the two nations, Tommaso Tittoni and Aleksandr Izvolsky, exchanged diplomatic notes on an informal agreement, known as the Racconigi Bargain, for Russia and Italy to support each other's interests in the Balkans and in the Ottoman Empire. Italy and the Russian Empire concluded another agreement with Austro-Hungarian Empire a few days later disregarding this agreement.Italysource
- 1909December 23 – Albert I sworn in as King, following the death of his uncle King Leopold II, on December 17Belgiumsource
- 1909South Africa becomes the first non-European country to join FIFA.South Africasource
- 1909Chinese provinces (except Xinjiang) hold elections for the first time, for provincial legislatures and the National Assembly.Chinasource
- 1909The 1909 Parliamentary election takes place.Norwaysource
- 1910January 8 – Treaty of Punakha: The Himalayan kingdom of Bhutan becomes a protectorate of the British Empire.source
- 1910January 15 – Amidst the constitutional crisis caused by the House of Lords rejecting the People's Budget, the January 1910 United Kingdom general election is held resulting in a hung parliament with neither Liberals nor Conservatives gaining a majority.source
- 19101 March - In the presidential election, Hermes da Fonseca receives 57.1% of the vote. Fonseca is supported by several of the most influential Republican parties, while his main opponent, Rui Barbosa, is supported by the Civilist Campaign.Brazilsource
- 1910March 3 – Morocco signs accords with France in Paris, permitting the French to occupy Casablanca and Oujda in return for military training, as part of refinancing of loans.source
- 1910March 17 – Progressive Republicans in the United States House of Representatives rebel against Speaker Joseph Gurney Cannon, removing him from the Rules Committee and stripping him of his power to appoint committee chairmen.source
- 1910March 31 – Luzzatti's new government is accepted by the Italian Chamber of Deputies.Italysource
- 19107 April – 1910 Costa Rican general election: Ricardo Jiménez Oreamuno is elected president, defeating Rafael Iglesias Castro.Costa Ricasource
- 1910May 6 – George V becomes King of the United Kingdom of Great Britain and Ireland upon the death of his father, Edward VII.source
- 191022 May - A general election results in the Liberal Party, under incumbent prime minister Canalejas, being returned to power.Spainsource
- 1910May 31 – The Union of South Africa is created.source
- 1910August 22 – The Japan–Korea Treaty of 1910, by which the Empire of Japan formally annexes the Korean Empire, is signed (it becomes effectively void in 1945, which is formally recognised in 1965).source
- 1910August 22 – Japan–Korea Treaty of 1910: Japan formally annexes Korea. The treaty was proclaimed to the public (and became effective) on August 29, 1910, officially starting the period of Japanese rule in Korea.Japansource
- 1910August 28 – Montenegro is proclaimed an independent kingdom, under Nicholas I.source
- 191028 August – Portuguese legislative election, 1910.Portugalsource
- 1910August 29 – Emperor Sunjong of Korea abdicates and the country's monarchy is abolished.source
- 1910October 3 — first National Assembly of China convenes, urges Prince Chun to increase constitutional reforms.Chinasource
- 1910October 5 – 5 October 1910 revolution: The First Portuguese Republic is proclaimed in Lisbon; King Manuel II of Portugal flees to England.source
- 191015 October – Chilean presidential election, 1910Chilesource
- 1911January 1 – A decade after federation, the Northern Territory and the Australian Capital Territory are added to the Commonwealth of Australia.source
- 1911January – Voters in El Salvador voted for Manuel Enrique Araujo to be President of El Salvador.El Salvadorsource
- 1911March 23 – For the first time ever, the King consults with a socialist deputy, Leonida Bissolati, about the formation of a new government. Giovanni Giolitti is asked to form a new government. Bissolati declines a post in the new cabinet a few days later.Italysource
- 1911May 8 — the government of Great Qing withdrew the military department and re-established the cabinet. Yikuang is the prime minister of the cabinet. The members are mainly Manchu, they are known as the Royal Cabinet.Chinasource
- 1911May 21 – Mexican Revolution: In Ciudad Juárez, a peace treaty is signed between Madero's rebels and government troops.source
- 1911May 25 – Mexican Revolution: Porfirio Díaz signs his resignation and leaves for Veracruz; on May 31 he leaves for exile in France.source
- 191128 May - Constituent National Assembly electionPortugalsource
- 1911August 30 – Saionji Kinmochi is appointed Prime Minister of Japan.Japansource
- 1911November 4 – Morocco–Congo Treaty brings the Agadir Crisis to a close. This treaty leads Morocco to be split between France (as a protectorate) and Spain (as the colony of Spanish Sahara), with Germany forfeiting all claims to Morocco. In return, France gives Germany a portion of the French Congo (as Kamerun) and Germany cedes some of German Kamerun to France (as Chad).source
- 19114 November – The Treaty of Berlin brings the Agadir Crisis to a close. This treaty leads Morocco to be split between France (as a protectorate) and Spain (as the colony of Spanish Sahara), with Germany forfeiting all claims to Morocco. In return, France gives Germany a portion of the French Congo (as Kamerun) and Germany cedes some of German Kamerun to France (as Chad).Germanysource
- 1911Louis Botha and J.B.M. Hertzog officially establish the South African Party as the "South African National Party" in Bloemfontein, although the Party had already been supported informally by candidates in national elections the year prior.South Africasource
- 1911December 1 – Outer Mongolia, the predecessor of modern-day Mongolia, is declared independent from the Chinese Empire.source
- 19117 December - Qiqihar Protocol between Russia and China on border demarcation in the Argun River areaRussiasource
- 1911December 29 – Sun Yat-sen is elected Provisional President of the Republic of China.source
- 1912January 1 – The Republic of China is established.source
- 1912January 6 – New Mexico becomes the 47th U.S. state.source
- 1912January 8 – The African National Congress is founded as the South African Native National Congress in Bloemfontein, to promote improved rights for black South Africans, with John Langalibalele Dube as its first president.source
- 1912January 8 – The South African Native National Congress (now ANC) is formed in Bloemfontein and John Langalibalele Dube becomes the first president.South Africasource
- 1912January 12 – In the 1912 German federal election the Social Democrats for the first time becomes the party with the most seats.source
- 1912January 12 – German federal election, 1912Germanysource
- 1912January 14 – Raymond Poincaré forms a coalition government in France, beginning his first term of office as Prime Minister on 21 January.source
- 1912February 12 – The Manchu Qing dynasty of China comes to an end after 268 years with the abdication of the Xuantong Emperor Puyi and the establishment of the Republic of China.source
- 1912February 12 – The Manchu Qing Dynasty of China comes to an end after 268 years, with the abdication of Emperor Puyi in favour of the Republic of China.Chinasource
- 1912February 14 – Arizona is admitted as the 48th state of the United States, the last contiguous state to be admitted into the Union.source
- 1912February 29 – Serbia and Bulgaria secretly sign a treaty of alliance for a term of eight years, with each pledging to come to the defence of the other during war. The treaty would eventually be dishonored in World War I.source
- 1912March 27 – Tokyo Mayor Yukio Ozaki gives 3,000 Cherry blossom trees to be planted in Washington, D.C., to symbolize the friendship between the two countries.Japansource
- 1912March 30 – The French Third Republic establishes the French protectorate in Morocco by the Treaty of Fes with Sultan Abd al-Hafid of Morocco.source
- 1912May 11 – Alaska becomes a territory of the United States.source
- 191227 May – The current Flag of El Salvador was adopted.El Salvadorsource
- 1912August 12 – Sultan Abd al-Hafid of Morocco abdicates.source
- 1912September 4 – The government of the Ottoman Empire agrees to the demands put forward in the Albanian Revolt of 1912.source
- 1912October 18 – Italy and the Ottoman Empire sign a treaty in Ouchy near Lausanne, ending the Italo-Turkish War.source
- 1912October 18 – With the Treaty of Lausanne in Ouchy near Lausanne the Italo-Turkish War ends. The war costs Italy 1.3 billion lire, nearly a billion more than Prime Minister Giovanni Giolitti estimated before the war, ruining ten years of fiscal prudence. Italy obtains control over the colonies of Cyrenaica and Tripolitania, as well as the Dodecanese islands. After the withdrawal of the Ottoman army the Italians could easily extend their occupation of Libya, seizing East Tripolitania, Ghadames, the Djebel and Fezzan with Murzuk during 1913.Italysource
- 1912November 5 – 1912 United States presidential election: New Jersey Governor Woodrow Wilson beats former president Theodore Roosevelt and incumbent president William Howard Taft.source
- 191227 November – Spanish protectorate in Morocco: By a treaty with France, Spain is granted a zone of influence in northern and southern Morocco.Spainsource
- 1912November 28 – Albania declares independence from the Ottoman Empire.source
- 1912The Farmers' Party was established.Icelandsource
- 1913January 13 – Edward Carson founds the Ulster Volunteer Force, by unifying several existing loyalist militias to resist home rule for Ireland.source
- 1913January 20 - Bulgaria, Serbia and Montenegro presented an ultimatum to the Ottoman Empire, giving the Turks 14 days to make a favorable reply to their demands or face a resumption of war.source
- 191324 January - Borges de Medeiros begins his second term as President of Rio Grande do Sul, taking over from Carlos Barbosa Gonçalves.Brazilsource
- 1913February 3 – The Sixteenth Amendment to the United States Constitution is ratified, authorizing the Federal government to impose and collect income taxes on all sources of income.source
- 1913February 13 – Thubten Gyatso, the 13th Dalai Lama, declares the independence of Tibet from Qing dynasty China.source
- 1913February 18 – Mexican Revolution: President Francisco I. Madero and Vice President José María Pino Suárez are forced to resign.source
- 1913February 19 – Mexican Revolution: With Madero and Pino Suárez removed, Pedro Lascuráin serves as President for less than an hour, before General Victoriano Huerta, leader of the coup, takes office.source
- 1913February 19 — Victoriano Huerta elected presidentMexicosource
- 1913March 13 – Mexican Revolution: Pancho Villa returns to Mexico from his self-imposed exile in the United States.source
- 1913March 20 – The city of Canberra, the centre of the Australian Capital Territory, becomes the official capital of the Commonwealth of Australia.source
- 1913March 23 – Supporters of Phan Xích Long begin a revolt against colonial rule in French Indochina.source
- 1913April 8 – The Seventeenth Amendment to the United States Constitution is passed, dictating the direct election of senators.source
- 1913May 30 – First Balkan War: The Treaty of London is signed, ending the war. Greece is granted those parts of southern Epirus which it does not already control, and the independence of Albania is recognised.source
- 1913June 1 – The Greek–Serbian Treaty of Alliance is signed, paving the way for the Second Balkan War.source
- 1913June 18 – The Arab Congress of 1913 opens, during which Arab nationalists meet to discuss desired reforms under the Ottoman Empire.source
- 1913June 19 – The Parliament of South Africa passes the Natives Land Act, limiting land ownership for blacks to black territories.source
- 1913June 19 – The Natives Land Act is passed, limiting land ownership for blacks to black territories.South Africasource
- 191324 June — Joseph Cook becomes the 6th prime minister.Australiasource
- 1913August 4 – Republic of China: The city of Chongqing (Chungking) declares independence; Republican forces crush the rebellion in a couple of weeks.source
- 1913August 10 – Second Balkan War: The Treaty of Bucharest is signed, ending the war. Macedonia is divided, and Northern Epirus is assigned to Albania.source
- 1913August 11 – The London ambassadors conference, of Europe's six "Great Powers" (Austria-Hungary, France, Germany, Italy, Russia, the United Kingdom), settled on the boundaries of the new Principality of Albania, created from former Turkish territory by the Balkan League during the First Balkan War.Italysource
- 1913September 29 – Second Balkan War: The Treaty of Constantinople is signed in Istanbul, between the Ottoman Empire and the Kingdom of Bulgaria.source
- 1913October 6 — The British Foreign Ministry recognized the Republic of China's Beiyang government and established the Embassy of the Republic of China in the United Kingdom of Great Britain and Ireland in the capital of London (in 1927, the country of change was the United Kingdom of Great Britain and Northern Ireland) and sent a minister.Chinasource
- 1913October 10 – Yuan Shikai is elected President of the Republic of China.source
- 1913November 2 – Second round of Italian general election. The two historical parliamentary factions, the liberal and progressive Left and the conservative and monarchist Right, formed a single liberal and centrist group, known as The Liberals, under the leadership of Giovanni Giolitti, which narrowly retained an absolute majority in the Chamber of Deputies, while the Radical Party emerged as the largest opposition bloc. Both groupings did particularly well in Southern Italy, while the Italian Socialist Party gained eight seats and was the largest party in Emilia-Romagna.Italysource
- 1913December 1 – Crete, having obtained self rule from Turkey after the First Balkan War, is annexed by Greece.source
- 1913December 16–17 – Parliamentary elections are held in the Kingdom of Croatia-Slavonia. The Croat-Serb Coalition wins with 39.09% of the vote.Croatiasource
- 1914January 29 – Tsar Nicholas II of Russia dismisses his 4th Prime Minister, Vladimir Kokovtsov due to his "lack of control over the press", he is succeeded by Ivan Goremykin for his second termsource
- 1914February 28 – The Autonomous Republic of Northern Epirus is proclaimed by ethnic Greeks.source
- 19141 March - In the presidential election, incumbent Vice-President Venceslau Brás, of the Mineiro Republican Party, receives 91.6% of the vote.Brazilsource
- 1914March 22 – Argentine legislative election, 1914Argentinasource
- 1914May 17 – The Protocol of Corfu provides for the provinces of Korçë and Gjirokastër, constituting Northern Epirus, to be granted autonomy under the nominal sovereignty of Albania.source
- 1914May 25 – The House of Commons of the United Kingdom passes the Government of Ireland Act 1914, the "Irish Home Rule Bill".source
- 1914June 1 – Woodrow Wilson's envoy, Edward Mandell House, meets Kaiser Wilhelm II.source
- 1914July 5 – A council is held at Potsdam: leaders within Austria-Hungary and Germany meet to discuss the possibilities of war with Serbia, Russia and France.source
- 1914July 15 – Mexican Revolution: Victoriano Huerta resigns from the presidency of Mexico.source
- 1914July 19 – George V summons a conference to discuss the Irish Home Rule problem. It meets from July 21–24, without reaching consensus.source
- 1914July 23 – July Ultimatum: Austria-Hungary presents Serbia with an unconditional ultimatum.source
- 1914August 2 – A secret treaty between the Ottoman Empire and German Empires secures Ottoman neutrality.source
- 1914August 7 – The United Kingdom (Japan's ally since 1902) officially asked Japan for assistance in destroying the raiders from the Imperial German Navy in and around Chinese waters.Japansource
- 1914August 13 – The Teoloyucan Treaties are signed in the State of Mexico.source
- 1914August 26 – The Togoland Campaign ends with the German West African colony of Togoland (Togo from 1960) surrendering to Britain and France.source
- 191429 August – Carlos Meléndez Ramírez resigned as Provisional President and Alfonso Quiñónez Molina succeeded him as Provisional President.El Salvadorsource
- 1914September 1 – The province of Cotabato is founded.Philippinessource
- 1914September 5 – London Agreement: No member of the Triple Entente (Britain, France, or Russia) may seek a separate peace with the Central Powers.source
- 1914October 19 – The Race to the Sea effectively ends, with the Western Front reaching the Belgian coast.source
- 1914November 6 – Eulalio Gutiérrez is declared President of Mexico during the Convention of AguascalientesMexicosource
- 191420 December — The Taiwan Assimilation Association was established.Taiwansource
- 19141914 Persian legislative election.Iransource
- 1915January 12 – The United States House of Representatives rejects a proposal to give women the right to vote.source
- 1915January 26 – The Rocky Mountain National Park is established by an act of the United States Congress.source
- 19151 March – Carlos Meléndez Ramírez was sworn in as President of El Salvador. Alfonso Quiñónez Molina was sworn in as vice president.El Salvadorsource
- 1915March 14 – Constantinople Agreement: Britain, France and the Russian Empire agree to give Constantinople (Istanbul) and the Bosphorus to Russia in case of victory (the treaty is later nullified by the Bolshevik Revolution).source
- 1915March 25 – 1915 Japanese general election: The Rikken Dōshikai party emerged as the largest party in the House of Representatives, winning 153 of the 381 seats. The 381 members of the House of Representatives were elected in 51 multi-member constituencies based on prefectures and cities. Voting was restricted to men aged over 25 who paid at least 10 yen a year in direct taxation.Japansource
- 1915April 26 – Treaty of London: Italy secretly agrees to leave the Triple Alliance with Germany and Austria-Hungary, and join with the Entente Powers, in exchange for certain territories of Austria-Hungary on its borders.source
- 1915April 26 – A secret pact, the Treaty of London or London Pact (Patto di Londra), is signed between the Triple Entente (the United Kingdom, France, and the Russian Empire) and the Kingdom of Italy. According to the pact, Italy was to leave the Triple Alliance and join the Triple Entente. Italy was to declare war against Germany and Austria-Hungary within a month in return for territorial concessions at the end of the war to fulfil Italy’s irredentist claims.Italysource
- 1915May 17 – The last purely Liberal government in the United Kingdom ends, when the prime minister H. H. Asquith forms an all-party coalition government, the Asquith coalition ministry, effective May 25.source
- 1915May 25 – China agrees to the Twenty-One Demands of the Japanese.source
- 1915May 25 – the Yuan government accepts four out of the five set of demands issued in the Twenty-One DemandsChinasource
- 191529 May – Teófilo Braga becomes president of Portugal.Portugalsource
- 191531 May – Free State – Fauresmith to Koffiefontein, 32 mi 71 ch.South Africasource
- 1915June 19 – In Iceland, at this time a dependency of Denmark, women's suffrage is granted to those over 40.source
- 191525 June- Chilean presidential election, 1915Chilesource
- 1915July 14 – The McMahon–Hussein Correspondence between Hussein bin Ali, Sharif of Mecca and the British official Sir Henry McMahon concerning the Arab revolt against the Ottoman Empire begins; in exchange for assistance against the Ottomans, the British offer bin Ali their recognition of an independent Arab kingdom, although clear terms are never agreed.source
- 19156 August - Brazilian-born Bernardino Luís Machado Guimarães becomes President of Portugal.Brazilsource
- 1915August 16 – WWI: The Allies promise the Kingdom of Serbia, should victory be achieved over Austria-Hungary and its allied Central Powers, the territories of Baranja, Srem and Slavonia from the Cisleithanian part of the Dual Monarchy, Bosnia and Herzegovina, and eastern Dalmatia (from the river of Krka to Bar).source
- 1915October 19 – Mexican Revolution: The U.S. recognizes the Mexican government of Venustiano Carranza de facto (not de jure until 1917).source
- 1915October 27 – William Morris "Billy" Hughes becomes the 7th prime minister of Australia.source
- 1915December 12 – President of the Republic of China Yuan Shikai declares himself Emperor.source
- 1916January 12 – The Gilbert and Ellice Islands Colony, part of the British Empire, is established in modern-day Tuvalu and Kiribati.source
- 1916January – The New Zealand Expeditionary Force (NZEF) becomes the New Zealand Division.New Zealandsource
- 1916March 10 – The McMahon–Hussein Correspondence concludes with an understanding that the United Kingdom would recognise Arab independence in return for Hussein bin Ali, Sharif of Mecca, launching the Arab Revolt against the Ottoman Empire.source
- 1916March 22 – The temporary Emperor of China, Yuan Shikai, abdicates the throne, and the Republic of China is restored once again.source
- 19162 April – A general election takes place.Argentinasource
- 1916May 16 – Britain and France conclude the secret Sykes–Picot Agreement, which is to divide Arab areas of the Ottoman Empire, following the conclusion of WWI and the partitioning of the Ottoman Empire, into French and British spheres of influence.source
- 1916June 15 – U.S. President Woodrow Wilson signs a bill incorporating the Boy Scouts of America.source
- 191631 July – Free State – Vierfontein to Bothaville, 23 mi 6 ch.South Africasource
- 19165 August – Icelandic parliamentary election, August 1916Icelandsource
- 1916August 7 – Portugal joins the Allies.source
- 1916August 16 – The Migratory Bird Treaty between Canada and the United States is signed.source
- 1916August 17 (August 4 O.S.) – WWI: The Treaty of Bucharest is signed secretly between Romania and the Entente Powers, stipulating the conditions under which Romania agrees to join the war on their side, particularly territorial promises in Austria-Hungary.source
- 1916August 21 – WWI: Peru declares neutrality.source
- 1916August 25 – U.S. President Woodrow Wilson signs legislation creating the National Park Service.source
- 1916August 29 – The United States passes the Philippine Autonomy Act.source
- 1916August 29 – Philippine Autonomy Act becomes law as a new Organic Act.Philippinessource
- 1916October 5 – The Italian Government is informed of the content of the agreement signed in May between France, England and Russia for the partition of the Asian part of the Ottoman Empire. Italy advances reservations about these agreements and demands that part of Asia Minor including the Turkish provinces of Aidin (Smyrna), Konya and Adana, would be allocated to Italy as agreed in the 1915 Treaty of London.Italysource
- 1916October 12 – Hipólito Yrigoyen is elected President of Argentina.source
- 191630 October – Vice-presidential electionChinasource
- 1916November 1 – Pavel Milyukov delivers his "stupidity or treason" speech in the Russian State Duma, precipitating the downfall of the Boris Stürmer government.source
- 1916November 5 – The Kingdom of Poland (1916–18) is proclaimed by a joint act of the emperors of Germany and Austria.source
- 1916November 7 – Republican Jeannette Rankin of Montana becomes the first woman elected to the United States House of Representatives.source
- 1916November 7 – 1916 United States presidential election: Democratic President Woodrow Wilson narrowly defeats Republican Charles Evans Hughes, when California is called a week after Election Day.source
- 1916November 13 – Prime Minister of Australia Billy Hughes is expelled from the Labor Party over his support for conscription.source
- 1916December 25 – The law transferring the Romanian Treasure to Moscow for safekeeping is passed. The Treasure would never entirely return to Romania.Romaniasource
- 1916December 30 – Humberto Gómez and his mercenaries seize Arauca in Colombia and declare the Republic of Arauca. He proceeds to pillage the region before fleeing to Venezuela.source
- 19174 January – First cabinet of Jón MagnússonIcelandsource
- 1917February 1 – WWI: Atlantic U-boat Campaign: Germany announces its U-boats will resume unrestricted submarine warfare, rescinding the Sussex Pledge'.source
- 1917February 5 – The new and current constitution is adopted.Mexicosource
- 1917March 2 – The enactment of the Jones Act grants Puerto Ricans United States citizenship.source
- 1917March 4 – Jeannette Rankin of Montana becomes the first woman member of the United States House of Representatives.source
- 1917March 11 – Mexican Revolution: Venustiano Carranza is elected president of Mexico; the United States gives de jure recognition of his government.source
- 1917March 12 – The Russian Duma declares a Provisional Government. It is dissolved 4 months later.source
- 1917March 31 – The United States takes possession of the Danish West Indies, which become the US Virgin Islands, after paying $25 million to Denmark.source
- 1917April 8 (N.S.) (March 26, O.S.) – In Petrograd, 40,000 ethnic Estonians demand national autonomy within Russia.source
- 191711 April - Brazil breaks off diplomatic relations with Germany.Brazilsource
- 1917April 12 (N.S.) (March 30 O.S.) – The Autonomous Governorate of Estonia is formed within Russia, from the Governorate of Estonia and the northern part of the Governorate of Livonia.source
- 1917April 26 – Agreement of St.-Jean-de-Maurienne between France, Italy and the United Kingdom, signed at Saint-Jean-de-Maurienne. Drafted by the Italian Foreign Minister Sidney Sonnino, as a tentative agreement to settle its Middle Eastern interest, the agreement was needed by the allies to secure the position of Italian forces in the Middle East and to balance the military power drops at the Middle Eastern theatre of World War I as Russian (Tsarist) forces were pulling out of the Caucasus Campaign. Italy would receive a part of southwestern Anatolia, including İzmir (Smyrna).Italysource
- 1917May 18 – WWI: The Selective Service Act passes the United States Congress, giving the President the power of conscription.source
- 1917June 11 – King Constantine I of Greece abdicates for the first time, being succeeded by his son Alexander.source
- 191725 June – the Juntas de Defensa made their manifesto public.Spainsource
- 1917July 17 – King George V of the United Kingdom issues a proclamation, stating that thenceforth the male line descendants of the British royal family will bear the surname Windsor, vice the Germanic bloodline of House of Saxe-Coburg and Gotha (an offshoot of the historic (800+ years) House of Wettin).source
- 1917July 20 – (July 7, O.S.) – Alexander Kerensky becomes premier of the Russian Provisional Government, replacing Prince Georgy Lvov.source
- 1917July 20 – The Parliament of Finland, with a Social Democratic majority, passes a "Sovereignty Act", declaring itself, as the representative of the Finnish people, sovereign over the Grand Duchy of Finland. The Russian Provisional Government does not recognize the act, as it would have devolved Russian sovereignty over Finland, formerly exercised by the Russian Emperor as Grand Duke of Finland, and alter the relationship between Finland and Russia into a real union, with Russia solely responsible for the defence and foreign relations of an independent Finland.source
- 1917July 20 – The Corfu Declaration, which enables the establishment of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and the Kingdom of Serbia.source
- 1917July 30 – The Parliament of Finland is dissolved by the Russian Provisional Government. New elections are held in the autumn, resulting in a bourgeois majority.source
- 1917August 29 – WWI: The Military Service Act is passed in the House of Commons of Canada, giving the Government of Canada the right to conscript men into the army.source
- 1917September 13: Romania establishes diplomatic relations with Japan. King Ferdinand names Nicolae Xenopol as plenipotentiary minister to Tokyo.Romaniasource
- 1917September 14 (September 1 Old Style) – Russia is declared a republic by the Provisional Government.source
- 1917November 2 – Zionism: The British Foreign Secretary Arthur Balfour makes the Balfour Declaration, proclaiming British support for the "establishment in Palestine of a national home for the Jewish people..., it being clearly understood that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities".source
- 1917November 2 – Lansing–Ishii AgreementJapansource
- 1917November 7 – Women's Suffrage in the United States: Women win the right to vote in New York State.source
- 1917November 15 – (N.S.) (November 2, O.S.) – The Provincial Assembly of the Autonomous Governorate of Estonia declares itself the highest legal body in Estonia, in opposition to Bolsheviks.source
- 1917November 16 – Georges Clemenceau becomes prime minister of France.source
- 1917December 6 – The Senate of Finland officially declares the country's independence from Russia.source
- 19176 December – Finnish Declaration of Independence: Finland declares its independence from the Russian Empire following the Bolsheviks taking power.Finlandsource
- 1917December 23 (N.S.) (December 10, O.S.) – A local plebiscite supports transferring Narva and Ivangorod (Jaanilinn) from the Petrograd Governorate, to the Autonomous Governorate of Estonia.source
- 1917December – Annie Besant becomes president of the Indian National Congress.source
- 1918January 4 – The Finnish Declaration of Independence is recognized by Soviet Russia, Sweden, Germany and France.source
- 1918January 8 – American president Woodrow Wilson presents the Fourteen Points as a basis for peace negotiations to end the war.source
- 1918February 6 – Women's suffrage in the United Kingdom: Representation of the People Act gives most women over 30 the vote.source
- 1918March 3 – WWI: The Central Powers and Bolshevist Russia sign the Treaty of Brest-Litovsk, ending Russia's involvement in the war.source
- 19183 March – Treaty of Brest-Litovsk. Bolshevist Russia cedes sovereignty over Estonia to Germany.Estoniasource
- 1918March 19 – The United States Congress establishes time zones, and approves daylight saving time (DST goes into effect on March 31).source
- 1918April 9 – Union of Bessarabia with Romania: Bessarabia votes to become part of the Kingdom of Romania.source
- 1918April 22 – Armenia, Azerbaijan, and Georgia declare their independence from Russia as the Transcaucasian Democratic Federative Republic.source
- 19187 May – The Treaty of Bucharest is signed with the Central Powers following the stalemate reached after the campaign of 1917.Romaniasource
- 1918May 24 – Women in Canada, excluding residents of Quebec, are granted the right to vote in federal elections.source
- 1918May 26 – The Transcaucasian Democratic Federative Republic is abolished; Georgia declares its independence as the Democratic Republic of Georgia.source
- 1918May 28 – Armenia and Azerbaijan declare their independence as the First Republic of Armenia and the Azerbaijan Democratic Republic respectively.source
- 1918June 4 - The First Republic of Armenia signed its first treaty, the Treaty of Batum. The other signatories are the Ottoman Empire, the Azerbaijan Democratic Republic, and the Democratic Republic of Georgia.Armeniasource
- 19186 June: Akashi Motojiro was promoted to general and appointed by Prime Minister Terauchi as the Governor-General of Taiwan.Taiwansource
- 1918October 3 – Kaiser Wilhelm II of Germany appoints Max von Baden Chancellor of Germany.source
- 1918October 3 – King Ferdinand I of Bulgaria abdicates in the wake of the Bulgarian military collapse in WWI. He is succeeded by his son, Boris III.source
- 1918October 4 – Wilhelm II of Germany forms a new, liberal government to sue for peace.source
- 19189 October – Prince Frederick Charles of Hesse is elected King of Finland.Finlandsource
- 1918October 28 – Czechoslovakia declares its independence from Austria-Hungary.source
- 1918November 1 – The Polish–Ukrainian War is inaugurated, by the proclamation of the West Ukrainian People's Republic in Galicia, with a capital at Lwów.source
- 1918November 9 – Proclamation of the republic in Germany by Philipp Scheidemann in Berlin, on the Reichstag balcony. One of several significant events on 9 November in German history.source
- 1918November 9 – Provisional National Council Minister-President Kurt Eisner declares Bavaria to be a republic.source
- 1918November 11 – Poland regains independence, after 123 years of partitions. Józef Piłsudski is appointed Commander-in-Chief.source
- 1918November 14 – Charles Edward, Duke of Saxe-Coburg and Gotha, announces he is ceasing to rule Saxe-Coburg and Gotha, leading to the establishment of the Free State of Coburg and the Free State of Saxe-Gotha.source
- 1918November 16 – The Hungarian Democratic Republic is declared, marking Hungary's independence from Austria.source
- 1918November 25 – Serbs of Vojvodina declare for Serbia at Újvidék (now Novi Sad)Hungarysource
- 1918November 26 – The Podgorica Assembly ('Great National Assembly of the Serb People in Montenegro') votes for a "union of the people" between the kingdoms of Montenegro and Serbia and for deposition of the exiled King Nicholas I of Montenegro.source
- 1918December 1 – The Union of Alba Iulia is proclaimed: Following the March 27 incorporation of Bessarabia and Bucovina, Transylvania unites with the Kingdom of Romania.source
- 1918December 4 – President Woodrow Wilson departs by ship to the Paris Peace Conference, becoming the first United States President to travel to Europe while holding office.source
- 1918December 16 – Vincas Mickevičius-Kapsukas declares the formation of the Lithuanian Soviet Socialist Republic, a puppet state created by the Russian SFSR to justify the Lithuanian–Soviet War.source
- 191821 December – Carlos Meléndez Ramírez resigned as President and was succeeded by Alfonso Quiñónez Molina as Acting President.El Salvadorsource
- 1918December 25 – Der Stahlhelm, Bund der Frontsoldaten, is formed in Germany as a nationalist veterans' organization.source
- 1918Hussein al-Husayni, Palestinian politician who served as mayor of Jerusalem from 1909 to 1917.British-administered Palestinesource
- 1919January 1 – The Czechoslovak Legions occupy much of the self-proclaimed "free city" of Pressburg (later Bratislava), enforcing its incorporation into the new republic of Czechoslovakia.source
- 1919January 3 – The Faisal–Weizmann Agreement is signed by Emir Faisal (representing the Arab Kingdom of Hejaz) and Zionist leader Chaim Weizmann, for Arab–Jewish cooperation in the development of a Jewish homeland in Palestine, and an Arab nation in a large part of the Middle East.source
- 19193 January – The signing of the Faisal Weizmann Agreement is held by Emir Feisal (son of the King of Hejaz) and Chaim Weizmann (later President of the World Zionist Organization) as part of the Paris Peace Conference.British-administered Palestinesource
- 19199 January – Estonian War of Independence: Estonians retake Tapa from the Bolsheviks, which enabled further liberation of Estonia.Estoniasource
- 1919January 14 – Estonian War of Independence: Estonian forces liberate Tartu from the Red Army.source
- 1919January 18 – Estonian War of Independence: Estonian forces liberate Narva, expelling the Red Army from Northern Estonia.source
- 1919January 18 – The Paris Peace Conference opens in France, with delegates from 27 nations attending for meetings at the Palace of Versailles.source
- 1919January 18 – The Paris Peace Conference opens at the Palace of Versailles, France. Japan sent a large delegation headed by the former Prime Minister, Marquess Saionji Kinmochi. It was originally one of the "big five" but relinquished that role because of its slight interest in European affairs. Instead it focused on two demands: the inclusion of their racial equality proposal in the League's Covenant and Japanese territorial claims with respect to former German colonies, namely Shantung (including Kiaochow) and the Pacific islands north of the Equator (the Marshall Islands, Micronesia, the Mariana Islands, and the Carolines). Makino Nobuaki was technically de facto chief while Saionji's role was symbolic and limited by his ill health.Japansource
- 1919January 19 – 1919 German federal election, first under the Weimar Republic and the first in Germany with female suffrage.source
- 1919January 21 – Dáil Éireann meets for the first time in the Mansion House, Dublin. It comprises Sinn Féin members elected in the 1918 general election who, in accordance with their manifesto, have not taken their seats in the Parliament of the United Kingdom, but chosen to declare an independent Irish Republic. In the first shots of the Anglo-Irish War, two Royal Irish Constabulary (RIC) men are killed in an ambush at Soloheadbeg, County Tipperary.source
- 1919February 1 – Estonian War of Independence: Estonian forces liberate Valga and Võru, expelling the Red Army from the entire territory of Estonia.source
- 1919February 10 – The Inter-Allied Women's Conference convenes to compile a list of women's issues to present to the delegates of the Paris Peace Conference.source
- 1919February 11 – Friedrich Ebert is elected the first President of Germany (Reichspräsident), by the Weimar National Assembly.source
- 1919February 26 – Grand Canyon National Park: An act of the United States Congress establishes most of the Grand Canyon as a United States National Park.source
- 19191 March – Jorge Meléndez was sworn in as President of El Salvador. Alfonso Quiñónez Molina was sworn in as Vice President.El Salvadorsource
- 1919March 21 – The Hungarian Soviet Republic is established by Béla Kun.source
- 19191 April – Antonio Toledo Corro, Governor of Sinaloa 1981–1986 (died 2018)Mexicosource
- 191911 May – Portuguese legislative election, 1919.Portugalsource
- 1919May 12 – Supreme Council of the Paris Peace Conference accepts border proposals. Aside from the Austrian claims to Western Hungary, these roughly match the final borders to be defined by the Treaty of TrianonHungarysource
- 1919May 30 – By agreement with the United Kingdom, later confirmed by the League of Nations, Belgium is given the mandate over part of German East Africa (Ruanda-Urundi).source
- 1919June 4 – Women's rights: The United States Congress approves the Nineteenth Amendment to the United States Constitution, which would guarantee suffrage to women, and sends it to the states for ratification.source
- 1919June 28 – The Treaty of Versailles is signed, formally ending World War I, five years to the day since the assassination of Archduke Franz Ferdinand. John Maynard Keynes, who has been present at the conference and is unhappy with the terms of the treaty, brings out his own analysis later in the year, entitled The Economic Consequences of the Peace.source
- 1919June 28 – The Treaty of Versailles ends the state of war between Germany and the Allied Powers.Italysource
- 1919July 3 – Estonian and Latvian Wars of Independence: The pro-German Baltische Landeswehr signs a peace treaty with Estonia and Latvia. The pro-German Prime Minister of Latvia Andrievs Niedra resigns, and Latvian forces take over Riga on July 8.source
- 191925 July – Kaarlo Juho Ståhlberg is elected President of Finland by the country's Parliament.Finlandsource
- 1919August 8 – The Anglo-Afghan Treaty of 1919, signed in Rawalpindi, ends the Third Anglo-Afghan War, with the United Kingdom recognising the right of the Emirate of Afghanistan to manage its own foreign affairs and Afghanistan recognising the Durand Line as the border with British India.source
- 1919August 11 – In Germany, the Weimar Constitution is proclaimed to be in effect (ratified).source
- 1919August 21 – Friedrich Ebert becomes the first President of Germany (Reichspräsident) under the Weimar Constitution.source
- 1919September 10 – The Treaty of Saint-Germain is signed, ending World War I with Austria-Hungary and declaring that the latter's empire is to be dissolved. The Republic of German-Austria becomes the First Austrian Republic but retains less than 40% of the prewar imperial territory.source
- 1919September 17 – German South West Africa is placed under South African administration.source
- 1919October 10 – Estonia adopts a radical land reform, nationalizing 97% of agrarian lands, mostly still belonging to the Baltic German nobility.source
- 1919October 13 – The Convention relating to the Regulation of Aerial Navigation is signed, in Paris, France.source
- 1919October 26 – 1919 Luxembourg general election, the first in the duchy with female suffrage, following constitutional amendments of May 15.source
- 1919December 1 – American-born Nancy Astor, Viscountess Astor, becomes the first woman to take her seat in the House of Commons of the United Kingdom, having become the second to be elected on November 28.source
- 1920January 15 – Paris Peace Conference presents peace terms to the Hungarian delegationHungarysource
- 1920January 16 – The Allies of World War I demand that the Netherlands extradite ex-German Emperor Wilhelm II who fled there in 1918.source
- 1920January 21 – The final session of the Paris Peace Conference is held, even though peace treaties with Hungary and Turkey remain to be concluded. The United States does not conclude its own treaty with Germany until August 25, 1921.source
- 1920January 28 – El Tercio de Extranjeros (the "Regiment of Foreigners"), later the Spanish Legion, is established by decree of King Alfonso XIII of Spain.source
- 1920February 2 – Estonian War of Independence: The Tartu Peace Treaty is signed, ending the war and recognizing the independence of both the Republic of Estonia and the Russian Socialist Federative Soviet Republic.source
- 19202 February – Treaty of Tartu which gave Estonia recognition by Soviet Russia.Estoniasource
- 1920February 9 – The Svalbard Treaty, signed by members of the League of Nations in Paris, recognises the sovereignty of Norway over the Arctic archipelago of Svalbard (at this time called Spitzbergen), while giving the other signatories economic rights in the islands.source
- 1920February 24 – Adolf Hitler presents his National Socialist Program in Munich to the German Workers' Party (Deutsche Arbeiterpartei), which renames itself as the Nazi Party (Nationalsozialistische Deutsche Arbeiterpartei).source
- 1920March 10 – The world's first peaceful establishment of a social democratic government takes place in Sweden as Hjalmar Branting takes over as prime minister when Nils Edén leaves office.source
- 1920March 23 – Admiral Miklós Horthy declares that Hungary is a monarchy, without anyone on the throne.source
- 1920April 19–26 – San Remo conference: Representatives of Italy, France, the United Kingdom, and Japan meet to determine the League of Nations mandates for administration of territories, following the partitioning of the Ottoman Empire.source
- 1920April 20 – José de las Fuentes Rodríguez, lawyer and politician (PRI); Governor of Coahuila 1981–1987 (died 2011)Mexicosource
- 1920April 26 – The Khorezm People's Soviet Republic is officially created by Soviet Russia, as the successor to the Khanate of Khiva.source
- 192026 April – The San Remo conference ends, during which the Allied Supreme Council agree to allocate the mandate of Palestine to the United Kingdom, incorporating the terms set forth in the Balfour Declaration.British-administered Palestinesource
- 1920May 10 – In the general election, the Rikken Seiyūkai, led by Prime Minister Hara Takashi, increases on its majority of seats in the lower house of the Diet.Japansource
- 1920June 4 – Treaty of Trianon: Peace is restored between the Allied Powers and Hungary, which loses 72% of its territory.source
- 19204 June – The Treaty of Trianon is signed. Transylvania and most of Banat become part of Romania.Romaniasource
- 1920June 15 – The Estonian Constituent Assembly adopts the first constitution of Estonia, which will come into effect on December 21 this year.source
- 1920July 12 – Soviet–Lithuanian Peace Treaty: The Russian Soviet Federative Socialist Republic recognizes independent Lithuania.source
- 1920July 20 – The United Kingdom cedes its brief control of the key Black Sea port of Batum to the Democratic Republic of Georgia.source
- 1920July 31 – Representatives of British revolutionary socialist groups meet at the Cannon Street Hotel in London and agree to form the Communist Party of Great Britain.source
- 1920August 10 – Ottoman Sultan Mehmed VI's representatives sign the Treaty of Sèvres with the Allied Powers, confirming arrangements for the partitioning of the Ottoman Empire.source
- 1920September 8 – Gabriele D'Annunzio proclaims the Italian Regency of Carnaro in the city of Fiume.source
- 1920November 2 – 1920 United States presidential election: Republican U.S. senator Warren G. Harding defeats Democratic governor of Ohio James M. Cox and Socialist Eugene V. Debs, in the first national U.S. election in which women have the right to vote.source
- 192015 November – The first convention of the League of Nations takes place in Geneva with 41 member states in attendance.Switzerlandsource
- 1920November 28 – FIDAC (French: Fédération Interalliée des Anciens Combattants, English: The Interallied Federation of War Veterans Organisations) is established in Paris at the initiative of veterans from World War I, predominantly pacifists, joined by associations of veterans from France, the United Kingdom, United States, Belgium, Romania, Czechoslovakia, Italy and Serbia.source
- 1920December 3 – Following more than a month of the Turkish–Armenian War, the Turkish-dictated Treaty of Alexandropol is concluded.source
- 1920December 7 – The first draft of the Mandate for Palestine is submitted to the League of Nations.source
- 1920December 10 – Irish War of Independence: Martial law is declared in Counties Cork, Kerry, Limerick and Tipperary by the British authorities.source
- 1920December 17 – South Africa is granted a League of Nations Class C mandate over South West Africa.source
- 1920December 23 – The Government of Ireland Act 1920, passed by the Parliament of the United Kingdom, receives Royal Assent from George V, providing for the partition of Ireland into Northern Ireland and Southern Ireland, with separate parliaments, granting a measure of home rule.source
- 1920Establishment of the Reconstitution Party.Portugalsource
- 1921February 19 – The French Third Republic and Second Polish Republic form a defensive alliance.source
- 1921March 9 – Cilicia Peace Treaty is signed between the French Third Republic and the Turkish National Movement in an attempt to end the Franco-Turkish War.source
- 1921March 12 – The İstiklâl Marşı (Independence March), the Turkish national anthem, is officially adopted.source
- 192114 March - Act III of 1921 passed by the National Assembly. The so-called "order law" invests powers in the government to protect the social order against communists and other radicalsHungarysource
- 1921March 16 – Treaty of Moscow establishes friendly relations between the Government of the Grand National Assembly of Turkey and the Russian Socialist Federative Soviet Republic.source
- 1921March 18 – The second Peace of Riga ends the Polish–Soviet War. A permanent border is established between the Polish and Soviet states.source
- 1921March 20 – Upper Silesia votes for re-annexation to Germany.source
- 1921March 31 – Abkhazia becomes the Socialist Soviet Republic of Abkhazia.source
- 1921April 11 – The Emirate of Transjordan is created under British Mandate, with Abdullah I as emir.source
- 1921May 6 – The German-Soviet Provisional Agreement is signed: Germany recognises the Soviet government in the RSFSR.source
- 19218 May – At the congress of the Socialist Party of Romania (Partidul Socialist din România), the pro-Bolshevik faction affirms control of the party, which consequently joins Communist International and is renamed the Romanian Communist Party (Partidul Comunist Român).Romaniasource
- 1921May 22 – In the first golf international between the two countries, the United States beats the United Kingdom 9 rounds to 3.source
- 1921May 24 – 1921 Irish elections: In the first Northern Ireland general election for the new Parliament of Northern Ireland, Ulster Unionists win 40 out of 52 seats. The dominant-party system here will last for fifty years.source
- 192124 May – Irish elections, under terms of the Government of Ireland Act 1920: In the Northern Ireland general election for the new Parliament of Northern Ireland (held by single transferable vote), it is apparent by 29 May that the Unionists have a substantial majority (40 out of 52 seats). The six Sinn Féin members consider themselves elected to sit in the Second Dáil (where five others also hold seats representing Southern Ireland).Northern Irelandsource
- 1921June 10 – Paris declaration: Representatives of the three states of Transcaucasia and the North Caucasus (the Armenian, Azerbaijani and Georgian Socialist Soviet Republics) proclaim their independence, establishing a customs union and military alliance, not internationally recognized.source
- 192125 June – Fourth Palestine Arab Congress held in Jerusalem.Mandatory Palestinesource
- 1921June 27 – The first signings of Treaty 11, an agreement between George V, King of Canada, and various Canadian First Nations, are conducted at Fort Providence.source
- 1921June 28 – The Constitutional Assembly of the Kingdom of Serbs, Croats and Slovenes passes the Vidovdan Constitution, despite a boycott of the vote by the communists, and Croat and Slovene parties.source
- 1921July 2 – U.S. President Warren Harding signs a joint congressional resolution, declaring an end to America's state of war with Germany, Austria and Hungary.source
- 1921July 4 – A new conservative government is formed in Italy by Ivanoe Bonomi.source
- 192110 July – Portuguese legislative election, 1921.Portugalsource
- 1921July 11 – The Irish War of Independence ends under the terms of the truce (signed on 9 July) which becomes effective at noon between the British Army and the Irish Republican Army.source
- 1921July 17 – The Republic of Mirdita is proclaimed near the Albanian-Serbian border, with Yugoslav support.source
- 1921October 5 – Constitution of Liechtenstein granted by Johann II, Prince of Liechtenstein, making the country a constitutional monarchy.source
- 1921October 11 – The Irish Treaty Conference opens in London.source
- 1921October 13 – The Treaty of Kars is signed between the Government of the Grand National Assembly of Turkey and the Armenian, Azerbaijani and Georgian Socialist Soviet Republics in Transcaucasia, establishing common boundaries.source
- 1921October 20 – Treaty of Ankara signed between the French Third Republic and the Government of the Grand National Assembly of Turkey, ending the Franco-Turkish War.source
- 1921December 6 – The Anglo-Irish Treaty establishing the Irish Free State, an independent nation incorporating 26 of Ireland's 32 counties, is signed in London.source
- 1921December 6 – Agnes Macphail becomes the first woman to be elected to the Canadian Parliament.source
- 19216 December – British and Irish negotiators sign the Anglo-Irish Treaty in London giving independence to the Irish Free State.United Kingdomsource
- 1921December 13 – In the Four-Power Treaty on Insular Possessions, Japan, the United States, United Kingdom, and France agree to recognize the status quo in the Pacific.Japansource
- 1921Estonia joins League of Nations.Estoniasource
- 19211921 Persian legislative election.Iransource
- 1922January 7 – Dáil Éireann, the parliament of the Irish Republic, ratifies the Anglo-Irish Treaty by 64–57 votes.source
- 1922January 10 – Arthur Griffith is elected President of Dáil Éireann, the day after Éamon de Valera resigns.source
- 1922January 15 – Michael Collins becomes Chairman of the Provisional Government of the Irish Free State.source
- 192229 January – Portuguese legislative election, 1922.Portugalsource
- 19222 February – Bethlen, and most of his Christian National Union Party (KNEP) joins the National Smallholders and Agricultural Labourers Party (OKGFP) and form the Christian Agricultural Labourers, Smallholders and Civic Party, commonly known as the Unity Party.Hungarysource
- 1922February 6 – The Five Power Naval Disarmament Treaty is signed between the United States, United Kingdom, Japan, France and Italy. Japan returns some of its control over the Shandong Peninsula to China.source
- 19226 February – Washington Naval Treaty is signed by United States, Britain, Japan, France and Italy.Francesource
- 1922February 6 – Washington Naval Treaty signed between the United States, United Kingdom, Japan, France and Italy. Japan returns some of its control over the Shandong Peninsula to China.Japansource
- 1922February 26 – Leser v. Garnett: The Supreme Court of the United States rebuffs a challenge to the Nineteenth Amendment to the United States Constitution, which gave women the right to vote on the same terms as men.source
- 1922February 28 – The Unilateral Declaration of Egyptian Independence by the United Kingdom ends its protectorate over Egypt, and grants the country nominal independence, reserving control of military and diplomatic matters.source
- 19221 March - In the Brazilian presidential election, Artur Bernardes of the Mineiro Republican Party receives 56.0% of the vote.Brazilsource
- 19221 March – A general election is held for the Chamber of Deputies and Senate, running until 11 March. The governing National Liberal Party retains power.Romaniasource
- 1922March 15 – With Egypt having gained self-government from the United Kingdom, Fuad I becomes King of Egypt.source
- 1922April 16 – The Treaty of Rapallo marks a rapprochement between the Weimar Republic and Bolshevik Russia.source
- 1922June 9 – Åland's Regional Assembly convenes for its first plenary session in Mariehamn, Åland; the day will be celebrated as Self-Government Day of Åland.source
- 1922June 26 – Louis Honoré Charles Antoine Grimaldi becomes Reigning Prince Louis II of Monaco.source
- 1922June 28 – The Syrian Federation is constituted by arrêté of Henri Gouraud.source
- 1922July 17 – The final signings of Treaty 11, an agreement between George V, King of Canada, and various Canadian First Nations, are conducted at Fort Liard.source
- 1922July 20 – The German protectorate of Togoland is divided into the League of Nations mandates of French Togoland and British Togoland.source
- 1922July 27 – The Cherkess (Adyghe) Autonomous Oblast is established within the Russian SFSR.source
- 192218 September - W. T. Cosgrave introduces the Constitution of Saorstát Éireann Bill to enable the implementation of the Treaty between Great Britain and Ireland.Northern Irelandsource
- 192222 September – Estonia joined the League of Nations.Estoniasource
- 1922September 24 - The Latvia national football team and Estonia national football team played their first official international match.source
- 1922October 25 – The 3rd Dáil enacts the Constitution of the Irish Free State.source
- 1922October 27 – Southern Rhodesians reject union with South Africa in a referendum.source
- 1922November 1 – The Ottoman Empire is abolished after 600 years, and its last sultan, Mehmed VI, abdicates, leaving for exile, initially in Malta, on November 17.source
- 1922November 15 – In the 1922 United Kingdom general election forced by the Conservatives' withdrawal from the coalition government, the Conservative Party wins an overall majority. Labour for the first time becomes the main opposition party, winning more seats than the divided Liberals. A dining club of newly elected Conservative Members of Parliament evolves the following year into the 1922 Committee.source
- 1922November 21 – Rebecca Felton of Georgia takes the oath of office, formally becoming the first woman United States Senator.source
- 1922December 5 – The British Parliament enacts the Irish Free State Constitution Act, by which it legally sanctions the new Constitution of the Irish Free State.source
- 1922December 6 – The Irish Free State officially comes into existence. George V becomes the Free State's monarch. Tim Healy is appointed first Governor-General of the Irish Free State, and W. T. Cosgrave becomes President of the Executive Council.source
- 1922December 9 – Gabriel Narutowicz is elected the first president of Poland.source
- 1922December 30 – Russia, Ukraine, Belarus and the Transcaucasian Republic (Armenia, Azerbaijan and Georgia) come together to form the Union of Soviet Socialist Republics.source
- 192230 December – Treaty on the Creation of the Union of Soviet Socialist RepublicsSoviet Unionsource
- 192314 January — Voters in El Salvador elected National Democratic Party candidate Alfonso Quiñónez Molina to be President of El Salvador with a 100% margin but no results were posted. He was the only candidate.El Salvadorsource
- 1923February 9 – Billy Hughes, having resigned as Prime Minister of Australia, after the Country Party refuses to govern in coalition with him as the leader of the Nationalist Party, is succeeded by Stanley Bruce. A Liberal–National Coalition will persist in the politics of Australia for at least 100 years.source
- 1923March 9 – Vladimir Lenin suffers his third stroke, which renders him bedridden and unable to speak; consequently he retires from his position as Chairman of the Soviet government.source
- 192329 March – The Constitution of Union is introduced, providing a representative democracy based on universal manhood suffrage.Romaniasource
- 1923April 6 – The first Prefects Board in Southeast Asia is formed, in Victoria Institution, Federated Malay States.source
- 1923April 19 – The Egyptian Constitution of 1923 is adopted, introducing a parliamentary system of democracy in the country.source
- 1923April 19 – Hjalmar Branting leaves office as Prime Minister of Sweden, after the Swedish Riksdag has rejected a government proposal regarding unemployment benefits. Right-wing academic and jurist Ernst Trygger succeeds him.source
- 1923April 23 – The Gdynia seaport is inaugurated, on the Polish Corridor.source
- 192329 April – In the general election to elect members to all 409 seats in the Congress of Deputies, the Liberals take power from the Conservatives in accordance with the turno system.Spainsource
- 192317–25 April – 12th Congress of the Russian Communist Party (Bolsheviks)Soviet Unionsource
- 192315 May – Britain recognizes Transjordan as an independent government, although it still remains under the British Mandate of Palestine.Mandatory Palestinesource
- 1923May 23 – Stanley Baldwin is appointed British Prime Minister.source
- 192328 May – The government releases two captured documents issued by the IRA on 24 May. The letters, signed by Éamon de Valera and Frank Aiken call for the dumping of arms and the ending of armed struggle. The Civil War is officially over.Northern Irelandsource
- 1923July 24 – The Treaty of Lausanne (1923), settling the boundaries of the modern Republic of Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in the First World War, bringing an end to the Ottoman Empire after 624 years.source
- 1923The Turkish War of Independence was settled with the Treaty of Lausanne, signed on 24 JulyTurkeysource
- 1923August 2 – Vice President Calvin Coolidge becomes the 30th president of the United States, upon the death of President Warren G. Harding in San Francisco.source
- 1923September 9 – Turkish head of state Mustafa Kemal Atatürk founds the Republican People's Party (CHP).source
- 1923September 10 – The Irish Free State joins the League of Nations.source
- 1923September 29 – The League of Nations Mandate for Palestine (1922) comes into effect, officially creating under British administration the protectorates of Palestine and the separate Emirate of Transjordan under Abdullah I. The French-administered Mandate for Syria and Lebanon also takes effect.source
- 1923October 13 – Ankara replaces Istanbul (Constantinople), as the capital of Turkey.source
- 1923October 29 – Turkey becomes a republic, following the dissolution of the Ottoman Empire; Kemal Atatürk is elected as first president.source
- 1923October 30 – İsmet İnönü is appointed as the first prime minister of Turkey.source
- 1923November 10 – 1923 Persian legislative election.Iransource
- 1923December 6 – 1923 United Kingdom general election: The governing Conservatives under Stanley Baldwin fail to achieve an overall majority and allow the Labour Party to form a minority government.source
- 1923December 21 – The Nepal–Britain Treaty is the first to define the international status of Nepal as an independent sovereign country.source
- 1924January 20–30 – Kuomintang in China holds its first National Congress, initiating a policy of alliance with the Soviet Union and the Chinese Communist Party.source
- 1924January 21 – The Earl of Athlone is appointed Governor-General of the Union of South Africa, and High Commissioner for Southern Africa.source
- 1924January 22 – Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.source
- 1924January 26 – Petrograd in the Soviet Union is renamed Leningrad; it will revert to Saint Petersburg in 1991.source
- 192431 January – Treaty of Lausanne was approved by the Italian parliamentTurkeysource
- 1924January & June – 1924 Northern Ireland local elections, following changes by the Unionist government, which has redrawn electoral districts, abolished the single transferable vote and implemented a requirement for members of local authorities to take an oath of allegiance to the UK.Northern Irelandsource
- 1924February 22 – Treaty of Rome: The Kingdom of Italy annexes the Free State of Fiume, and the Kingdom of Serbs, Croats and Slovenes absorbs Sušak.source
- 1924March 7 – 1924 Argentine legislative electionArgentinasource
- 1924March 15 – Horacio Vásquez wins the Dominican Republic general election, becoming president, coinciding with the end of United States military occupation.source
- 1924March 25 – The Second Hellenic Republic is proclaimed in Greece.source
- 1924April 6 – Italian general election, 1924: Fascists win the elections in Italy with a two-thirds majority.source
- 192410 April – King Ferdinand and Queen Marie arrive in Paris on a royal visit. Though officially only a friendly visit, it was believed that Romania was seeking an alliance with France as a counter to unfriendly relations with Italy, Russia and Spain.Romaniasource
- 1924April 13 – The Greek republic referendum favors formation of the Second Hellenic Republic.source
- 1924April 23 – The British Empire Exhibition opens in London; it is the largest colonial exhibition, with 58 countries of the empire dramatically represented.source
- 1924May 8 – Lithuania signs the Klaipėda Convention with the nations of the Conference of Ambassadors, taking the Klaipėda Region from East Prussia and making it into an autonomous region.source
- 1924May 10 – In the United States, J. Edgar Hoover is appointed head of the Federal Bureau of Investigation.source
- 1924May 10 – 1924 Japanese general election: No party won a majority of seats, resulting in Kenseikai, Rikken Seiyūkai and the Kakushin Club forming the country's first coalition government led by Katō Takaaki.Japansource
- 1924May 26 – The United States Immigration Act of 1924, commonly known as the Johnson-Reed Act, becomes effective. The act modifies the National Origins Quotas introduced in the Immigration Act of 1921.source
- 1924June 2 – U.S. President Calvin Coolidge signs the Indian Citizenship Act into law, granting citizenship to all Native Americans born within the territorial limits of the United States.source
- 1924June 30 – J. B. M. Hertzog becomes the third Prime Minister of South Africa.source
- 1924July 12 – United States occupation of the Dominican Republic (1916–24) comes to an end. The constitutional government headed by General Horacio Vázquez, elected in the elections held in March, is established.source
- 1924August 16 – The Dawes Plan is signed in Paris, temporarily resolving German reparations dispute.source
- 192411 September – The Government Junta of Chile (1924) is created after a military coup.Chilesource
- 1924October 2 – The Geneva Protocol is adopted by the League of Nations Assembly as a means to strengthen the League, but later fails to be ratified.source
- 1924October 27 – The Uzbek SSR joins the Soviet Union.source
- 192427 October – instead of Turkestan ASSR, Bukharan SSR, and Khorezm SSR were formed Uzbek SSR (centered in Bukhara) and Turkmen SSR (Poltoratsk – Ashgabat)Soviet Unionsource
- 1924November 4 – Nellie Tayloe Ross of Wyoming is elected as the first woman governor in the United States.source
- 1924November 4 – Stanley Baldwin becomes Prime Minister of the United Kingdom againsource
- 1924November 4 – 1924 United States presidential election: Republican Calvin Coolidge defeats Democrat John W. Davis and Progressive Wisconsin Senator, Robert M. La Follette Sr.source
- 1924November 21 – Ali Fethi Okyar forms a new government in Turkey (3rd government).source
- 1924November 26 – The Mongolian People's Republic is proclaimed.source
- 1924Land belonging to Mexican President-elect Plutarco Elías Calles is expropriated in accordance with agrarian laws.Mexicosource
- 19251 January –Turkey gained the right of duty tax (according to the treaty of Lausanne)Turkeysource
- 1925January 5 – Nellie Tayloe Ross becomes the first female governor (Wyoming) in the United States. Fifteen days later, Miriam A. Ferguson becomes first female governor of Texas.source
- 192520 January – The Soviet–Japanese Basic Convention is signed.Soviet Unionsource
- 1925March 4 – İsmet İnönü is appointed prime minister in Turkey (Turkey's 4th and İnönü's 3rd government).source
- 192516 March – At a meeting of the Irish Boundary Commission in County Down witnesses from Newry and Kilkeel support being included in the Irish Free State.Northern Irelandsource
- 1925March 23 – 1925 Egyptian parliamentary electionEgyptsource
- 1925May 5 – The General Election Law is passed in Japan, extending suffrage to all males aged 25 and over.source
- 192514 June – The administration of Transylvania, Bukovina and Bessarabia is reformed into new counties. Some, like Alba remain into the next century; others, like Trei Scaune, only last until the reform of 1938.Romaniasource
- 1925July 25 – The Temporary Slavery Commission of the League of Nations files its report on their global investigation of slavery and the slave trade, preparing the ground for the introduction of the 1926 Slavery Convention.source
- 19251 August – The Palestinian Citizenship Order goes into effect granting Palestinian citizenship to previously Ottoman subjects "Habitually resident in the territory of Palestine"Mandatory Palestinesource
- 1925August 2: 1925 Uruguayan National Administration Council electionUruguaysource
- 1925October 5–16 – The Locarno Treaties are negotiated.source
- 1925November 14 – 1925 Australian federal election: Stanley Bruce's Nationalist/Country Coalition Government is re-elected with an increased majority, defeating the Labor Party led by Matthew Charlton.source
- 1925December 1 – The Locarno Treaties are signed in London, intended to secure the post-war continental European territorial settlement.source
- 192511 December – Bernardino Machado takes over as PresidentPortugalsource
- 1926January 3 – Theodoros Pangalos declares himself dictator in Greece.source
- 1926January 21 – The Belgian Parliament accepts the Locarno Treaties.source
- 19261 March - In the presidential election, Washington Luís of the Republican Party of São Paulo, who received 98.0% of the vote.Brazilsource
- 1926March 16 – Ambassadors representing eight countries that were signatory nations to the Boxer Protocol send an ultimatum to the Beiyang Government under Duan Qirui, demanding that the Duan government destroy all defense establishments on the Taku Forts.Chinasource
- 1926March 23 – Éamon de Valera organises the political party Fianna Fáil in Ireland.source
- 192626 March – In Bucharest, Romania and Poland sign a Treaty on Mutual Assistance against Aggression and on Military Aid, building the Polish–Romanian alliance.Romaniasource
- 1926April 4 – Greek dictator Theodoros Pangalos wins the presidential election, with 93.3% of the vote; turnout is light, as the result is considered a foregone conclusion.source
- 1926April 24 – Treaty of Berlin: Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party, for the next five years.source
- 192624 April – The Treaty of Berlin (1926) is signed.Soviet Unionsource
- 1926April 25 – Reza Khan is crowned Shah of Iran, under the name "Pahlevi".source
- 1926April 25 – Rezā Khan was crowned Shah of Persia under the name "Pahlevi".Iransource
- 1926May 12–14 – May Coup: Józef Piłsudski takes over in Poland.source
- 1926May 20 – The United States Congress passes the Air Commerce Act, licensing pilots and planes.source
- 1926June 4 – Ignacy Mościcki becomes president of Poland.source
- 1926June 7 – Liberal politician Carl Gustaf Ekman succeeds Rickard Sandler as Prime Minister of Sweden.source
- 192620 June – Crisis between the prime minister İsmet İnönü and the special court about the court's right to arrest of Kazım Karabekir who was an MP. (Mustafa Kemal mediated and the crisis ended on the 5th of July)Turkeysource
- 1926June 29 – Arthur Meighen briefly returns to office as Prime Minister of Canada during the King-Byng Affair.source
- 1926The Zionist Organization submits a memorandum to the League of Nations concerning the administration of the British Mandate for Palestine. The document is officially filed in Geneva by the Mandates Section.Mandatory Palestinesource
- 19261 July – Icelandic parliamentary election, 1926Icelandsource
- 1926August 22 – In Greece, Georgios Kondylis ousts Theodoros Pangalos.source
- 1926August 25 – Pavlos Kountouriotis announces that dictatorship has ended in Greece, and he is now the president.source
- 1926September 1 – Lebanon under the French Mandate gets its first constitution, thereby becoming a republic, with Charles Debbas as its president.source
- 1926September 8 – The German Weimar Republic joins the League of Nations.source
- 1926September 14 – The Locarno Treaties of 1925 are ratified in Geneva, and come into effect.source
- 1926September 25 – William Lyon Mackenzie King returns to office as Prime Minister of Canada, after winning the Canadian federal election.source
- 1926October 2 – Józef Piłsudski becomes prime minister of Poland.source
- 1926October 23 – Leon Trotsky and Lev Kamenev are removed from the Politburo of the Central Committee of the Communist Party of the Soviet Union.source
- 1926November 15 – The Balfour Declaration is approved by the 1926 Imperial Conference, making the Commonwealth dominions equal and independent.source
- 1926November 27 – The restoration of Colonial Williamsburg begins in Williamsburg, Virginia, United States.source
- 1926December 13 – Miina Sillanpää becomes Finland's first female government minister.source
- 1926December 26 – In the history of Japan, the Shōwa period begins from this day, due to the death of Emperor Taishō on the day before. His son Hirohito will reign as Emperor of Japan until 1989.source
- 1926Muthulakshmi Reddi becomes the first woman to be appointed to a legislature in India, the Madras Legislative Council.source
- 19279 January – Voters in El Salvador elected National Democratic Party candidate Pío Romero Bosque as President of El Salvador with 192,860 votes and a 100% margin. He was the only candidate.El Salvadorsource
- 19279 February – Romania and Poland ratify the Treaty on Mutual Assistance against Aggression and on Military Aid, to build the Polish–Romanian alliance and protect against potential aggression from the Soviet Union.Romaniasource
- 1927April 12 – The Royal and Parliamentary Titles Act 1927 renames the United Kingdom of Great Britain and Ireland as the United Kingdom of Great Britain and Northern Ireland. The change acknowledges that the Irish Free State is no longer part of the Kingdom.source
- 192712 April – The Royal and Parliamentary Titles Act 1927 renames the United Kingdom of Great Britain and Ireland to the United Kingdom of Great Britain and Northern Ireland. The change acknowledges that the Irish Free State is no longer part of the Kingdom.Northern Irelandsource
- 1927April 18 – The Kuomintang (Nationalist Chinese) set up a government in Nanking, China.source
- 1927May 3 - A general election and constitutional referendum were held.Liberiasource
- 1927May 9 – The Australian Parliament convenes for the first time in Canberra, Australian Capital Territory. Previously, the Parliament had met in Melbourne, Victoria.source
- 1927May 20 – By the Treaty of Jeddah, the United Kingdom recognizes the sovereignty of Ibn Saud over the Kingdom of Hejaz and Nejd, the future Saudi Arabia.source
- 1927May 24 – The United Kingdom cuts its diplomatic relations with the Soviet Union due to revelations of espionage and underground agitation.source
- 1927June 4 – Yugoslavia severs diplomatic relations with Albania.source
- 192710 July – Taiwanese People's Party, founded 1927, was nominally Taiwan's first political party.Taiwansource
- 1927September 4 - 1927 Nicaraguan parliamentary electionNicaraguasource
- 1927September 25 – A treaty signed by the League of Nations Slavery Commission abolishes all types of slavery.source
- 192715 October – Kemal Atatürk in a six-day speech, called Nutuk, summarized the events in Turkish War of IndependenceTurkeysource
- 1927November 1 – İsmet İnönü forms a new government in Turkey (the 5th government).source
- 1927November 12 – Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin with undisputed control of the Soviet Union.source
- 1927December 14 – Iraq gains independence from the United Kingdom.source
- 1927December – The Communist Party Congress condemns all deviation from the general party line in the USSR.source
- 1927Between March to May, Mandatory Palestine held its first local elections across 22 municipalities.Mandatory Palestinesource
- 1928January – Voters in El Salvador elected the National Democratic Party to all 42 seats in the country's legislature. No results were published.El Salvadorsource
- 1928February 20 – The Japanese general election produces a hung parliament.source
- 192820 February – The first Anglo-Tranjordanian treaty is concluded following which the Emirate of Transjordan becomes nominally independent, while Britain retains a degree of control over foreign affairs, armed forces, communications and state finances. The treaty fails to respond to Transjordanian demands for a fully sovereign and independent state.Mandatory Palestinesource
- 192815 April – The formation of the Taiwanese Communist Party.Taiwansource
- 1928May 7 – Passage of the Representation of the People Act in the United Kingdom lowers the voting age for women from 30 to 21, giving them equal suffrage with men from July 2.source
- 1928August 2 – Italy and Ethiopia sign the Italo-Ethiopian Treaty.source
- 1928August 27 – The Kellogg–Briand Pact is signed in Paris, the first treaty to outlaw aggressive war.source
- 1928September 1 – Ahmet Zogu, President of the Albanian Republic, declares the country to be a constitutional monarchy, the Albanian Kingdom, with himself as King Zog I.source
- 1928October 2 – Arvid Lindman returns as Prime Minister of Sweden, with his right-wing rival Ernst Trygger as Foreign Minister of Sweden.source
- 1928October 7 – Haile Selassie is crowned king (not yet emperor) of Abyssinia.source
- 1928October 8 – Chiang Kai-shek is named as Generalissimo (Chairman of the National Military Council) of the Nationalist Government of the Republic of China.source
- 192828 October – In the 1928 Swiss federal election, the Social Democratic Party receives the most votes, but the Free Democratic Party remains the largest party in the National Council, winning 58 of the 198 seats.Switzerlandsource
- 1928November 1 – Turkey passes a law switching the country from the Arabic to the Latin-based modern Turkish alphabet.source
- 1928November 4 - 1928 Nicaraguan general electionNicaraguasource
- 1928November 6 – 1928 United States presidential election: Republican Herbert Hoover wins by a wide margin, over Democratic New York Governor Al Smith.source
- 1928November 17 – 1928 Australian federal election: Stanley Bruce's Nationalist/Country Coalition Government is re-elected with a decreased majority, defeating the Labor Party led by James Scullin.source
- 192812 December – In the general election, the National Peasants' Party retains power.Romaniasource
- 1928The Estonian Central Federation of Veterans of the War of Independence was formed.Estoniasource
- 1928Ruling party – Republican People's Party (CHP)Turkeysource
- 1929February 9 – "Litvinov's Pact" is signed in Moscow by the Soviet Union, Poland, Estonia, Romania and Latvia, who agree not to use force to settle disputes between themselves.source
- 19299 February – Litvinov's Pact is signed.Soviet Unionsource
- 1929February 11 – The Kingdom of Italy and the Holy See of the Catholic Church sign the Lateran Treaty, to establish the Vatican City as an independent sovereign enclave within Rome, resolving the "Roman Question".source
- 1929February 26 – Grand Teton National Park is established by the United States Congress.source
- 1929March 4 – The National Revolutionary Party (Partido Nacional Revolucionario) is established in Mexico, by ex-President Plutarco Elías Calles. Under a succession of names, it will hold power in the country continuously for the next 71 years.source
- 1929March 4 – Charles Curtis takes office as the first multiracial Vice President of the United States.source
- 192930 March – Romania signs the Litvinov Protocol.Romaniasource
- 1929April 3 – Persia signs the Litvinov Protocol.source
- 192930 May – United Kingdom general election.Northern Irelandsource
- 1929May 31 – The United Kingdom general election again returns a hung parliament; the Liberals in Parliament determine which party will govern.source
- 1929June 3 – The Treaty of Lima settles a border dispute between Peru and Chile.source
- 1929June 7 – The Lateran Treaty, making Vatican City a sovereign state, is ratified.source
- 1929June 8 – Ramsay MacDonald forms the United Kingdom's second Labour government.source
- 1929June 21 – An agreement brokered by U.S. Ambassador Dwight Whitney Morrow helps end the Cristero War in Mexico.source
- 19298 July – Artur Ivens Ferraz takes over as Prime Minister, succeeding José Vicente de FreitasPortugalsource
- 1929July 24 – The Kellogg–Briand Pact, renouncing war as an instrument of foreign policy, goes into effect (it was first signed in Paris on August 27, 1928, by most leading world powers).source
- 1929July 27 – Geneva Convention (1929), also known as "Convention relative to the Treatment of Prisoners of War, Geneva July 27, 1929", is signedSwitzerlandsource
- 1929July 29 – the French prime minister Raymond Poincaré resigns, and is succeeded by Aristide Briand.source
- 1929August 31 – The Young Plan, which sets the total World War I reparations owed by Germany at US$26,350,000,000 to be paid over a period of 58½ years, is finalized.source
- 1929September 5 – Aristide Briand presents his plan for the United States of Europe.source
- 1929October 3 – The country officially known as the Kingdom of Serbs, Croats and Slovenes changes its name to the Kingdom of Yugoslavia.source
- 1929October 12 – 1929 Australian federal election: The Labor Party, led by James Scullin, defeats the Nationalist/Country Coalition Government, led by Prime Minister Stanley Bruce. Scullin will be sworn in on October 22. Notably, this is the first occasion in Australian political history where a sitting prime minister loses his own seat (the second being John Howard in 2007).source
- 1929November 1 – Conscription in Australia ends.source
- 1929November 17 – 1929 Mexican presidential election: Pascual Ortiz Rubio of the National Revolutionary Party is elected the new President. It is now widely thought that the election was rigged.Mexicosource
- 1929December 29 – The All India Congress in Lahore demands Indian independence.source
- 1929Slavery in Jordan is abolished.source
- 1929The Zionist Commission renames itself as the Palestine Zionist Executive.Mandatory Palestinesource
- 1929Ruling party – Republican People's Party (CHP)Turkeysource
- 193021 January – Domingos Oliveira becomes Prime MinisterPortugalsource
- 1930January 26 – The Indian National Congress declares this date as Independence Day, or as the day for Purna Swaraj (Complete Independence).source
- 19305 February – Women vote for the first time in Romanian elections.Romaniasource
- 1930February 20 – 1930 Japanese general election: The Rikken Minseitō party, led by Prime Minister Osachi Hamaguchi, won an overall majority in the House of Representatives. Voter turnout was 83.34%.Japansource
- 1930March 2 – André Tardieu begins his second term as Prime Minister of France.source
- 1930March 28 – The government of Turkey requests the international community to adopt Istanbul and Ankara, as the official names for Constantinople and Angora. The U.S. State Department adopts the "Istanbul" form in May.source
- 1930March 29 – Heinrich Brüning is appointed Chancellor of Germany.source
- 1930April 22 – The United Kingdom, Japan and the United States sign the London Naval Treaty to regulate submarine warfare and limit naval shipbuilding.source
- 19306 May — China signed tariff treaties with Japan. The Republic of China government obtained itself right of tariff autonomy. Some Japanese goods do not need to pay tariffs.Chinasource
- 1930May 16 – Rafael Trujillo is elected president of the Dominican Republic.source
- 1930June 7 – Carl Gustaf Ekman becomes Prime Minister of Sweden, for the second and final time.source
- 193010 June – Agreement between Turkey and Greece concerning the population exchange problems in the 1920s.Turkeysource
- 1930June 15 – Iceland held a parliamentary election to elect members to the Althing (Alþingi), Iceland's parliament.Icelandsource
- 1930July 28 – R. B. Bennett defeats William Lyon Mackenzie King in federal elections and becomes the Prime Minister of Canada.source
- 1930August 7 – R. B. Bennett takes office as the eleventh Prime Minister of Canada.source
- 1930September 14 – 1930 German federal election: National Socialists win 107 seats in the German Parliament, the Reichstag (18.3% of all the votes), making them the second largest party.source
- 1930September 27 – İsmet İnönü forms a new government in Turkey (6th government).source
- 1930October 1 – British rule of Weihaiwei ends, as it is returned to China.source
- 193021 October - Lord Passfield, the Secretary of State for the Colonies, issues a white paper, a formal statement of the British policy in Palestine, outlining a more restrictive british policy towards jewish immigration and land settlement.Mandatory Palestinesource
- 1930October 27 – Ratifications are exchanged in London on the first London Naval Treaty signed in April, modifying the Washington Naval Treaty of 1922. Its arms limitation provisions go into effect immediately, hence putting more limits on the expensive naval arms race between its five signatories (the United Kingdom, the United States, the Empire of Japan, France and Italy.)source
- 1930October – The Indochinese Communist Party is formed.source
- 19301 November - Beginning of the Vargas Era: the ruling junta hands power and the presidential palace to Getúlio Vargas.Brazilsource
- 1930November 3 – Getúlio Vargas becomes president of Brazil.source
- 1930December 29 – Sir Muhammad Iqbal's presidential address in Allahabad introduces the two-nation theory, outlining a vision for the creation of Pakistan.source
- 1930December – All adult Turkish women are given the right to vote in elections.source
- 1931January 22 – Sir Isaac Isaacs is sworn in as the first Australian-born Governor-General of Australia.source
- 1931January 25 – Mohandas Gandhi is again released from imprisonment in India.source
- 1931January 27 – Pierre Laval forms a government in France.source
- 1931February 4 – Soviet leader Joseph Stalin gives a speech calling for rapid industrialization, arguing that only strong industrialized countries will win wars, while "weak" nations are "beaten". Stalin states: "We are fifty or a hundred years behind the advanced countries. We must make good this distance in ten years. Either we do it, or they will crush us." The first five-year plan in the Soviet Union is intensified, for the industrialization and collectivization of agriculture.source
- 1931February 16 – Pehr Evind Svinhufvud is elected president of Finland.source
- 1931February 19 – The Socialist Soviet Republic of Abkhazia is dissolved and reformed as the Abkhaz Autonomous Soviet Socialist Republic, an autonomous republic of Soviet Georgia, resulting in public protests.source
- 19311 March – Arturo Araujo was sworn in as President of El Salvador. Maximiliano Hernández Martínez was sworn in as vice president.El Salvadorsource
- 1931March 5 – The British viceroy of India and Mohandas Gandhi sign the Gandhi–Irwin Pact.source
- 1931March 7 – The Finnish Parliament House opens in Helsinki, Finland.source
- 1931April 14 – The Second Spanish Republic is proclaimed in Madrid. Meanwhile, as a result of the victory of the Republican Left of Catalonia, Francesc Macià proclaims in Barcelona the Catalan Republic, as a state of the Iberian Federation.source
- 1931April 17 – After the negotiations between the republican ministers of Spain and Catalonia, the Catalan Republic becomes the Generalitat of Catalonia, a Catalan autonomous government inside the Spanish Republic.source
- 1931April 22 – Austria, the UK, Denmark, Germany, Italy, Sweden and the United States recognize the Spanish Republic.source
- 1931May 4 – Kemal Atatürk is re-elected president of Turkey.source
- 1931May 13 – Paul Doumer is elected president of France.source
- 19311 June – In a general election, the National Union, an alliance of the National Party, the National Liberal Party, the German Party, the Agrarian Union Party, the Vlad Ţepeş League, the Agrarian League and several other parties wins 49% of the vote.Romaniasource
- 1931July 10 – Norway issues a royal proclamation claiming the uninhabited part of eastern Greenland as Erik the Red's Land.source
- 1931July 16 – Emperor Haile Selassie signs the first Constitution of Ethiopia.source
- 1931August 9 – A referendum in Prussia for dissolving the Landtag ends with the "yes" side winning 37% of the vote, which is insufficient for calling the early elections. The elections are intended to remove the Social Democratic Party (SPD) government of Otto Braun. Supporting the "yes" side were the NSDAP, the DNVP and the Communist Party (KPD), while supporting the "no" side were the SPD and Zentrum.source
- 1931August 9 – Referendum in Prussia for dissolving the Landtag ends with the "yes" side winning 37% of the vote, which is insufficient for calling the early elections. The elections are intended to remove the Social Democratic Party (SPD) government of Otto Braun, which is one of the strongest forces for democracy in Germany. Supporting the "yes" side are the NSDAP, the DNVP and the Communist Party (KPD), while the SPD and Zentrum support the "no" side.Germanysource
- 1931August 24 – The Labour Government of Ramsay MacDonald resigns in Britain, replaced by a National Government of people drawn from all parties, also under MacDonald.source
- 1931September 7 – The Second Round Table Conference on the constitutional future of India opens in London; Mahatma Gandhi represents the Indian National Congress.source
- 193116 September – Frente Negra Brasileira, Brazil's first Black political party, is founded.Brazilsource
- 19314 October – Chilean presidential election, 1931Chilesource
- 1931November 7 – The Chinese Soviet Republic is proclaimed by Mao Zedong.source
- 193120 November – Sir Arthur Grenfell Wauchope replaces Sir John Chancellor as High Commissioner of Palestine.Mandatory Palestinesource
- 1931November — Establishment of the Chinese Soviet RepublicChinasource
- 1931December 9 – The Spanish Constituent Cortes approves the Spanish Constitution of 1931, effectively establishing the Second Spanish Republic.source
- 1931December 10 – Niceto Alcalá-Zamora is elected president of the Spanish Republic.source
- 1931December 11 – The Parliament of the United Kingdom enacts the Statute of Westminster, which establishes a status of legislative equality between the self-governing dominions of the Commonwealth of Australia, Canada, the Irish Free State, Newfoundland, the Dominion of New Zealand and the Union of South Africa.source
- 1931December 13 – Wakatsuki Reijirō resigns as Prime Minister of Japan.source
- 1931December 19 – The UAP/Country Coalition, led by Joseph Lyons, defeats the Australian Labor Government, led by Prime Minister James Scullin. Coming in the aftermath of two splits in the Labor Party, the election comes about due to the defeat of the Scullin government on the floor of the House of Representatives – to date, it is the last federal election where a one-term government was defeated. Lyons will be sworn in January 6th the following year, but not before disbanding the Coalition, after the UAP wins enough seats to form a government in its own right.source
- 19317th government of Turkey (from 5 May)Turkeysource
- 19324 January – Soviet–Estonian Non-Aggression Pact was signed.Estoniasource
- 1932January 12 – Hattie W. Caraway of Arkansas becomes the first woman to be elected to the United States Senate, succeeding her late husband, Thaddeus Caraway, in a special election,source
- 1932February 2 – A general World Disarmament Conference begins in Geneva. The principal issue at the conference is the demand made by Germany for Gleichberechtigung ("equality of status" i.e. abolishing Part V of the Treaty of Versailles, which had disarmed Germany) and the French demand for sécurité ("security" i.e. maintaining Part V).source
- 1932February 18 – Japan declares Manchukuo (Japanese name for Manchuria) formally independent from China.source
- 1932February 25 – Adolf Hitler obtains German citizenship by naturalization, opening the opportunity for him to run in the 1932 German presidential election.source
- 1932April 11 – 1932 German presidential election: Paul von Hindenburg is re-elected as Reichspräsident, defeating Hitler.source
- 1932May 6 – The politically powerful General Kurt von Schleicher meets secretly with Adolf Hitler. Schleicher tells Hitler that he is scheming to bring down the Brüning government in Germany and asks for Nazi support of the new "presidential government" Schleicher is planning to form. Schleicher and Hitler negotiate a "gentlemen's agreement" where in exchange for lifting the ban on the SA and SS and having the Reichstag dissolved for early elections this summer, the Nazis will support Schleicher's new chancellor.source
- 1932May 10 – Albert Lebrun becomes the new president of France.source
- 1932May 13 – The Premier of New South Wales, Jack Lang, is dismissed by the State Governor, Sir Philip Game.source
- 1932May 26 – Judgement in Donoghue v Stevenson handed down in the House of Lords of the United Kingdom, creating the modern concept of a duty of care in British law.source
- 1932May 30 – German chancellor Heinrich Brüning is dismissed by President von Hindenburg. President Hindenburg asks Franz von Papen to form a new government, known as the "Government of the President's Friends", which is openly dedicated to the destruction of democracy and the Weimar Republic. The downfall of Brüning is largely the work of Schleicher, who has been scheming against him since the beginning of May. Schleicher takes the position of Defense Minister in his friend Papen's government.source
- 1932June 4 – The Papen government in Germany dissolves the Reichstag for elections on July 31 in the full expectation that the Nazis will win the largest number of seats.source
- 1932June 14 – The Papen government lifts the ban against the SS and SA in Germany.source
- 193224 June – Siamese revolution of 1932, King Prajadhipok forced to accept demands by the Khana Ratsadon (or the People's party) to change the system of government from an absolute monarchy to a constitutional monarchy.source
- 1932July 31 – July 1932 German federal election sees the Nazis become the largest party in the Reichstag, winning 37% of the vote.source
- 19327 August – The Law of Spikelets is enacted.Soviet Unionsource
- 1932August 11 – To celebrate Constitution Day in Germany, Chancellor Franz von Papen and his interior minister Baron Wilhelm von Gayl present proposed amendments to the Weimar constitution for a "New State" to deal with the problems besetting Germany.source
- 1932August 30 – Hermann Göring is elected as Speaker of the German Reichstag.source
- 1932September 9 – The Cortes Generales (Parliament) of the Second Spanish Republic approves the Statute of Autonomy of Catalonia which grants full autonomy for Catalonia for the first time in modern history.source
- 1932September 12 – The very unpopular Papen government in Germany is defeated on a massive motion of no-confidence in the Reichstag. With the exceptions of the German People's Party and the German National People's Party, every party in the Reichstag votes for the no-confidence motion. Papen has Hindenburg dissolve the Reichstag for new elections in November.source
- 1932September 23 – The Kingdom of Hejaz and Nejd is proclaimed the Kingdom of Saudi Arabia, concluding the country's unification under the rule of King Abdulaziz.source
- 1932September 24 – After his party's victory in the election to the Swedish Riksdag's second chamber, Social Democrat Per Albin Hansson becomes the new prime minister of Sweden, after Felix Hamrin.source
- 193225 September – The result of the Greek legislative election is an ambivalent one for the two leading parties, the Liberal Party of Eleftherios Venizelos and the People's Party. The People's Party receives a plurality of votes in the Lower House elections, but wins fewer seats than the Liberal Party; the Liberals also win the most seats in the Senate.Greecesource
- 1932October 1 – Gyula Gömbös becomes Prime Minister of Hungary, the first time a member of the radical right has become the country's head of government.source
- 1932October 3 – Iraq becomes an independent kingdom under Faisal, ending the British mandate.source
- 1932November 21 – German president Hindenburg begins negotiations with Adolf Hitler about the formation of a new government.source
- 193222 November – The new Northern Ireland Parliament Buildings at Stormont are officially opened.Northern Irelandsource
- 1932December 1 – Germany returns to the World Disarmament Conference after the other powers agree to accept gleichberechtigung "in principle". Henceforward, it is clear that Germany will be allowed to rearm beyond the limits imposed by the Treaty of Versailles.source
- 1932December 8 – Gregor Strasser resigns as the chief of the NSDAP's organizational department in protest against Hitler's "all or nothing" strategy.source
- 193210 December – Promulgation of the first permanent constitution by the king at the Ananta Samakhom Throne Hall. The National Assembly of Siam was established.source
- 193226 December – El Salvador denounced the 1923 Central American Treaty of Peace and Amity.El Salvadorsource
- 1932Iraq received its independence on 3 October, ending the British Mandate which began in 1920Iraqsource
- 1932The Kingdom of Saudi Arabia was formed.Saudi Arabiasource
- 1933January 17 – The United States Congress votes in favour of Philippines independence, against the wishes of U.S. President Herbert Hoover.source
- 1933January 30 – Nazi Party leader Adolf Hitler is appointed Chancellor of Germany by President of Germany Paul von Hindenburg.source
- 1933January 30 – Édouard Daladier forms a government in France in succession to Joseph Paul-Boncour. He is succeeded on October 26 by Albert Sarraut and on November 26 by Camille Chautemps.source
- 1933February 3 – Adolf Hitler gives a secret speech to his military leaders, outlining his plans to rearm Germany in defiance of the Treaty of Versailles and to adopt a policy of Lebensraum in eastern Europe.source
- 1933February 9 – The King and Country debate: The Oxford Union student debating society in England passes a resolution stating, "That this House will in no circumstances fight for its King and country."source
- 1933February 14 – unsuccessful attempt by Peruvian Air Force to bomb Colombian Navy, President Herrera breaks off diplomatic relationsColombiasource
- 1933February 17 – Repeal of Prohibition in the United States: The Blaine Act passes the United States Senate, submitting the proposed Twenty-first Amendment to the Constitution to the states for ratification. The amendment is ratified on December 5, ending prohibition in the United States.source
- 1933March 4 – The Parliament of Austria is suspended because of a quibble over procedure; Chancellor Engelbert Dollfuss initiates authoritarian rule by decree, an origin of Austrofascism.source
- 1933March 4 – Franklin D. Roosevelt is sworn in as the 32nd president of the United States.source
- 1933March 5 – March 1933 German federal election: The Nazi Party gains 43.9% of the votes.source
- 1933March 15 – Austrian Chancellor Engelbert Dollfuss keeps members of the National Council from convening, starting the Austrofascist dictatorship.source
- 1933March 23 – Gleichschaltung: The Reichstag passes the Enabling Act, making Adolf Hitler effectively the dictator of Germany.source
- 193322 April – Agreement with the creditors of Ottoman Public Debt AdministrationTurkeysource
- 1933May 3 – In the Irish Free State, Dáil Éireann abolishes the oath of allegiance to the British Crown.source
- 1933May 17 – Vidkun Quisling and Johan Bernhard Hjort form the Nasjonal Samling (the National Gathering Party) of Norway.source
- 1933May 18 – New Deal: President Franklin Delano Roosevelt signs an act creating the Tennessee Valley Authority.source
- 1933May - Bolivian legislative election, 1933Boliviasource
- 1933July 15 – The Four-Power Pact is signed by Britain, France, Germany and Italy.source
- 1933September 12 – Alejandro Lerroux forms a new government in Spain.source
- 193315 September – Ștefan Tătărescu, leader of the National Socialist Party and brother of future Prime Minister Gheorghe Tătărescu, visits Adolf Hitler in Germany, supported by Romanian Minister Foreign Affairs, Nicolae Titulescu, as part of a wider objective to undermine the Little Entente.Romaniasource
- 1933October 14–16 – The new constitution of Estonia is approved only on the third consecutive referendum.source
- 193314 October – plebiscite in favour of constitutional reform giving wide powers to a new office of the president. (to 16 October)Estoniasource
- 1933November 5 – Spanish Basque people vote for autonomy.source
- 1933November 5 - 1933 Basque Statute of Autonomy referendumSpainsource
- 1933November 16 – The United States and the Soviet Union establish formal diplomatic relations.source
- 1933November 18 - Francisco Javier Gaxiola, diplomat, lawyer and politician (born 1870)Mexicosource
- 1933November 19 – Second Spanish Republic: General elections result in a victory by the right-wing parties.source
- 1933November 22 – The Fujian People's Government is declared in Fujian Province, China.source
- 1933December 5 – The Twenty-first Amendment to the United States Constitution is ratified, repealing Prohibition in the United States, making production and sale of alcohol legal in the U.S.source
- 1933December 26 – Montevideo Convention on the Rights and Duties of States is signed by participants in the 7th International Conference of American States; it is significant in the development of the declarative theory of statehood.source
- 1933The Advisory Committee of Experts on Slavery is created by the League of Nations.source
- 1933According to official statistics there were 30,327 Jewish immigrants during 1933.Mandatory Palestinesource
- 193424 January – new constitution in effect.Estoniasource
- 1934February 9 – Gaston Doumergue forms a new government in France.source
- 1934February 9 – Greece, Romania, Turkey and Yugoslavia form the Balkan Pact.source
- 1934February 16 – The Commission of Government is sworn in, as a form of direct rule for the Dominion of Newfoundland.source
- 1934March 1 – Manchukuo, the Japanese puppet state in Manchuria established in 1932, proclaimed a monarchy under Puyi.source
- 1934March 4 - Argentine legislative election, 1934Argentinasource
- 1934March 24 – The Tydings–McDuffie Act is passed, allowing the Philippines a greater degree of self-government from the United States.source
- 193424 April – In a debate in the Parliament of Northern Ireland, the Prime Minister, Lord Craigavon, states "All I boast of is that we are a Protestant Parliament and a Protestant State." (often misquoted as "A Protestant Parliament for a Protestant People").Northern Irelandsource
- 1934May 1 – The May Constitution of 1934 heralds the beginning of the Austrofascist Federal State of Austria.source
- 1934May 15 – Kārlis Ulmanis establishes an authoritarian government in Latvia.source
- 1934June 14 – Adolf Hitler and Benito Mussolini meet for the first time, at the Venice Biennale.source
- 1934June 18 – The Indian Reorganization Act is enacted.source
- 1934June 27 – Imam Yahya of Yemen and Ibn Saud of Saudi Arabia conclude a peace treaty.source
- 1934June 27 - North Yemen and Saudi Arabia conclude a peace treaty.Saudi Arabiasource
- 1934August 2 – Adolf Hitler becomes Führer of Germany, or head of state combined with that of Chancellor, following the death of President Paul von Hindenburg.source
- 1934August 19 – 1934 German referendum: In a referendum, 90% of the German population approves of Hitler's assumption of presidential powers, as Führer and Reichskanzler.source
- 193428 August – Maximiliano Hernández Martínez resigned as President in order to run in the 1935 Salvadoran presidential election. Andrés Ignacio Menéndez became Provisional President.El Salvadorsource
- 1934September 15 – 1934 Australian federal election: Joseph Lyons' UAP government is re-elected with a decreased majority, defeating the Labor Party, led by former Prime Minister James Scullin. Consequently, Lyons is forced to resume the Coalition with the Country Party, and include them in his government. Scullin steps down from the Labor leadership shortly after; he is replaced by future Prime Minister John Curtin.source
- 1934September 18 — Soviet Union joins the League of Nations as a permanent Board memberSoviet Unionsource
- 1934September 19 – The Soviet Union joins the League of Nations.source
- 1934September 28 – Afghanistan joins the League of Nations.source
- 1934October 6 – Events of October the 6th: the President of Catalonia, Lluís Companys, declares the Catalan State of the Spanish Federal Republic, but Spanish troops swiftly crush the Catalan forces, and arrest him and the members of the Catalan government. The autonomy of Catalonia is suspended until 1936.source
- 19342 November – Edmond James de Rothschild (born 1845), French-born Jewish philanthropist and a major supporter of Zionism during the First Aliyah period.Mandatory Palestinesource
- 1934November 27 – Daniel Salamanca Urey, President of Bolivia, is deposed in a military coup, and replaced by José Luis Tejada Sorzano.source
- 1934December 27 – Persia becomes Iran.source
- 1934December 29 – Japan renounces the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930.source
- 1934The Australian frontier wars end, after 146 years.source
- 1934Abidjan becomes the capital of the French colony of Ivory Coast.source
- 1934Ruling party – Republican People's Party (CHP)Turkeysource
- 1935January 7 – Italian premier Benito Mussolini and French Foreign Minister Pierre Laval conclude an agreement, in which each power agrees not to oppose the other's colonial claims.source
- 1935January 13 – A referendum in the Territory of the Saar Basin shows that 90.3% of those voting wish to join Germany.source
- 193513–15 January – Voters in El Salvador voted Maximiliano Hernández Martínez as President of El Salvador with 329,555 votes in a 100% margin. He was the only candidate.El Salvadorsource
- 1935February 26 – In Nazi Germany, Adolf Hitler orders reinstatement of the air force, the Luftwaffe, in violation of the 1919 Treaty of Versailles.source
- 1935March 1 – İsmet İnönü forms the new government in Turkey (the 8th government; during Atatürk's presidency, İnönü has served seven times as a prime minister).source
- 1935March 2 – King Prajadhipok (Rama VII) of Siam abdicates the throne; he is succeeded by his 9-year-old-nephew Ananda Mahidol (Rama VIII).source
- 1935March 16 – Adolf Hitler announces German re-armament in violation of the 1919 Treaty of Versailles.source
- 1935March 21 – Reza Shah of Iran asks the international community to formally adopt the name "Iran" to refer to the country, in place of the name "Persia".source
- 1935April 15 – The Roerich Pact, a Pan-American treaty on the protection of cultural artefacts, is signed in Washington, D.C.source
- 1935April – Palestine Arab Party established.Mandatory Palestinesource
- 1935May 7 - Liberian constitutional referendum, 1935Liberiasource
- 1935May 21 – In Nazi Germany, Adolf Hitler announces the reintroduction of conscription to the Wehrmacht, in violation of the 1919 Treaty of Versailles.source
- 1935June 18 – Anglo-German Naval Agreement: Britain agrees to a German navy equal to 35% of her own naval tonnage.source
- 1935July 25–August 20 – The seventh and last congress of the Comintern is held.source
- 1935August 2 – The Government of India Act is passed by the British Parliament, making provision for the establishment of a "Federation of India" and a degree of autonomy.source
- 193525 August – The Treaty of Establishment, Commerce and Navigation is signed between Iran and the USSR.Soviet Unionsource
- 1935September 16 – Senate president Manuel L. Quezon is elected president in the country's first national election.Philippinessource
- 1935September 17 – Manuel L. Quezon is elected 2nd President of the Philippines.source
- 193510 October – The Taiwan Exposition: In Commemoration of the First Forty Years of Colonial Rule opensTaiwansource
- 1935October 14 – 1935 Canadian federal election: The Liberal Party of William Lyon Mackenzie King wins a majority government, defeating the Conservative Party of Prime Minister R. B. Bennett.source
- 1935October 22 – The Chinese Communist Party settles in Shaanxi after the Long March.source
- 1935November 3 – A Greek monarchy referendum is held by self-proclaimed Regent Georgios Kondylis. Almost 98% of the votes favor restoration of the monarchy, although the referendum's integrity is dubious.source
- 1935November 14 – 1935 United Kingdom general election: Prime Minister Stanley Baldwin returns to office at the head of a National Government led by the Conservative Party, with a large but reduced majority.source
- 193514 November – United Kingdom general election.Northern Irelandsource
- 1935November 25 – After 11 years in exile, George II returns to Greek soil as King of Greece at Corfu, from London.source
- 1935December 18 – The socialist party of Sri Lanka, the Lanka Sama Samaja Party, is founded.source
- 1935December 18 – Samuel Hoare resigns as British foreign secretary, and is replaced by Anthony Eden.source
- 19358th government of Turkey (from 1 March)Turkeysource
- 1936January 20 – The Prince of Wales succeeds to the throne of the United Kingdom as King Edward VIII, following the death of his father, George V, at Sandringham House.source
- 1936January – The 1936 Salvadoran legislative election was held but no election results were posted.El Salvadorsource
- 1936February 16 – 1936 Spanish general election: The left-wing Popular Front coalition takes a majority.source
- 1936March 7 – In violation of the Treaty of Versailles and Locarno Treaties, Nazi Germany reoccupies the Rhineland. Hitler and other Nazis later admit that the French army alone could have destroyed the Wehrmacht.source
- 19367 March — In violation of the Treaty of Versailles, Germany reoccupies the Rhineland.Germanysource
- 1936March 9 – Pro-democratic militarist Keisuke Okada steps down as Prime Minister of Japan and is replaced by radical militarist Kōki Hirota.source
- 1936March 25 – President Manuel L. Quezon issues Executive Order No. 23 which provided for the technical description and specifications of the Philippine national flag.Philippinessource
- 193616 April – Pedro Calmon is elected to the Academia Brasileira de Letras.Brazilsource
- 1936May 9 – Speaking in Rome, Benito Mussolini announces the foundation of the empire, as Italian East Africa is formed from the Italian territories of Eritrea, Ethiopia and Italian Somaliland.source
- 193617 May: Following a series of general strikes, the military under Germán Busch, supported by the United Socialist Party and trade unions, overthrows the government of José Luis Tejada Sorzano and installs David Toro and president.Boliviasource
- 1936July 20 – The Montreux Convention Regarding the Regime of the Straits is signed in Montreux, allowing Turkey to fortify the Dardanelles and the Bosphorus, but guaranteeing free passage to ships of all nations in peacetime.source
- 193620 July – Romania signs the Montreux Convention Regarding the Regime of the Straits governing the Bosporus and Dardanelles.Romaniasource
- 193620 July: Montreux Convention signed.Turkeysource
- 1936August 26 – The Anglo-Egyptian Treaty of 1936 is signed.source
- 193607 September - Statement of Policy issued by the Colonial Office in London declares the situation a "direct challenge to the authority of the British Government in Palestine" and announces the appointment of Lieutenant-General John Dill as supreme military commander.Mandatory Palestinesource
- 1936September 9 – The Franco-Syrian Treaty of Independence is signed.source
- 1936September 28 – After the election to the Swedish Riksdag's second chamber, Axel Pehrsson-Bramstorp and his "Holiday Cabinet" ("Semesterregeringen") resign (though he remains as Minister of Agriculture) and Per Albin Hansson returns as Prime Minister, staying in office until his death from a heart attack in 1946.source
- 1936October 25 – The Italo-German protocol of 23 October 1936 is signed, resulting in the creation of the Axis.source
- 1936November 25 – The Anti-Comintern Pact is signed by Germany and Japan.source
- 1936December 5 – The 1936 Soviet Constitution, promulgated by Stalin, is adopted in the Soviet Union. The Transcaucasian Socialist Federative Soviet Republic is dissolved, and Armenia, Azerbaijan and Georgia become full Republics of the Soviet Union.source
- 1936December 10 – Edward VIII abdication crisis: King Edward VIII of the United Kingdom signs an instrument of abdication at Fort Belvedere, Surrey in the presence of his three brothers, The Duke of York, The Duke of Gloucester and The Duke of Kent.source
- 1936December 11 – Taking the opportunity to free itself further from ties to the United Kingdom, the Oireachtas of the Irish Free State passes the Constitution (Amendment No. 27) Act 1936, removing most powers from the office of Governor-General of the Irish Free State, and the Executive Authority (External Relations) Act 1936 (signed into law December 12), assenting to the abdication and restricting the power of the monarch in relation to Ireland to international affairs.source
- 1936December 11 – Edward VIII abdication crisis: The British Parliament passes His Majesty's Declaration of Abdication Act 1936 on behalf of the U.K., Australia, New Zealand and South Africa. The King performs his last act as sovereign by giving Royal Assent to the Act, and his brother Prince Albert, Duke of York, becomes King, reigning as King George VI. The former King, now HRH Prince Edward, makes a broadcast to the nation explaining his decision to abdicate, and leaves the country for Austria.source
- 1937January 1 – Anastasio Somoza García becomes President of Nicaragua.source
- 1937January 17: the People's Party votes in favour of a general peasant strike (see 1937 peasant strike in Poland),Polandsource
- 1937February 19 – The red, white and blue colours of the flag of the Netherlands are confirmed by royal decree.source
- 1937April 1 – Aden becomes a British crown colony.source
- 1937May 28 – Neville Chamberlain becomes Prime Minister of the United Kingdom, following the retirement of Stanley Baldwin.source
- 1937June 8 – The Dáil Éireann passes the Executive Authority (Consequential Provisions) Act, 1937, which abolishes the office of Governor-General of the Irish Free State, retrospectively dated to December 1936.source
- 1937June 21 – The coalition government of Léon Blum resigns in France.source
- 1937June–July – The Dáil Éireann debates and passes the new draft Constitution of Ireland, which is then submitted for public approval by plebiscite.source
- 1937July 1 – In a referendum the people of the Irish Free State accept the new Constitution by 685,105 votes to 527,945.source
- 1937July 7 – The Peel Commission proposes partition of the British Mandate of Palestine into separate Arab and Jewish states.source
- 19377 July – The Peel Commission publishes a report that recommends the end of the Palestine mandate and its partition into separate Arab and Jewish states.Mandatory Palestinesource
- 19379 July: Saadabad Pact reached with Iraq, Iran, and Afghanistan.Turkeysource
- 1937July 21 – Éamon de Valera is elected President of the Executive Council (prime minister) of the Irish Free State, by the Dáil (parliament).source
- 1937July 22 – New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.source
- 193729 July – a new constitution in force with civil liberties and democracy restored but with a very strong presidency.Estoniasource
- 1937September 5 – Roberto Ortiz is elected president of Argentina.source
- 1937September 10 – Nine nations meet in the Nyon Conference, led by the United Kingdom and France, to address international piracy in the Mediterranean.source
- 1937October 11 – Duke and Duchess of Windsor's 1937 tour of Germany: The Duke and Duchess of Windsor arrive in Berlin to begin a 12-day tour of Nazi Germany, meeting Adolf Hitler on the 22nd.source
- 1937October 13 – Germany, in a note to Brussels, guarantees the inviolability and integrity of Belgium so long as the latter abstains from military action against Germany.source
- 1937October 23 – 1937 Australian federal election: Joseph Lyons' UAP/Country Coalition government is re-elected with a slightly increased majority, defeating the Labor Party led by John Curtin.source
- 1937October 25 – Celâl Bayar forms the new (ninth) government of Turkey.source
- 1937November 6 – Italy joins the Anti-Comintern Pact.source
- 1937November 10 – Brazilian president Getúlio Vargas announces the Estado Novo ("New State"), thence becoming dictator of Brazil until 1945.source
- 1937November 23 - founding of Workers' Party (Bolivia)Boliviasource
- 193712 December — Soviet Union legislative election, 1937Soviet Unionsource
- 1937December 29 – The new Constitution of Ireland (Bunreacht na hÉireann) comes into force. The Irish Free State becomes "Ireland", and Éamon de Valera becomes the first Taoiseach (prime minister) of the new state. A Presidential Commission (made up the Chief Justice, the Speaker of Dáil Éireann, and the President of the High Court) assumes the powers of the new presidency, pending the popular election of the first President of Ireland in June 1938. The new constitution prohibits divorce.source
- 193729 December – Goga forms a new government which pursues anti-semitic policies, issuing in the first short-lived period of fascism in the kingdom.Romaniasource
- 1937Slavery in Bahrain is abolished.source
- 19371937 Iranian legislative election.Iransource
- 1938February 4 – Adolf Hitler abolishes the War Ministry and creates the Oberkommando der Wehrmacht (High Command of the Armed Forces), giving him direct control of the German military. In addition, he dismisses political and military leaders considered unsympathetic to his philosophy or policies. General Werner von Fritsch is forced to resign as Commander of Chief of the German Army following accusations of homosexuality, and replaced by General Walther von Brauchitsch. Foreign Minister Baron Konstantin von Neurath is dismissed, and replaced by Joachim von Ribbentrop.source
- 193824 February – election sees National Front winning 63 seats and all the opposition winning 17 seats.Estoniasource
- 19381 March – Sir Harold MacMichael assumes office as the High Commissioner of Palestine.Mandatory Palestinesource
- 1938March 3 – Sir Nevile Henderson, British Ambassador to Germany, presents a proposal to Hitler for an international consortium to rule much of Africa (in which Germany would be assigned a leading role), in exchange for a German promise never to resort to war to change her frontiers; Hitler rejects the British offer.source
- 1938March 17 – Poland presents an ultimatum to Lithuania, to establish normal diplomatic relations that were severed over the Vilnius Region.source
- 193830 March – The right-wing National Christian Party and Romanian Front are dissolved.Romaniasource
- 1938April 10 – Édouard Daladier becomes prime minister of France. He appoints as Foreign Minister a leading advocate of the policy of appeasement, Georges Bonnet, effectively negating Blum's reassurances of March 14.source
- 1938April 10 – In a result that astonishes even Hitler, the Austrian electorate in a national referendum approves Anschluss by an overwhelming 99.73%.source
- 1938June 25 – Dr. Douglas Hyde takes office as the first President of Ireland.source
- 1938July 5 – The Non-Intervention Committee reaches an agreement to withdraw all foreign volunteers from the Spanish Civil War. The agreement is respected by most Republican International Brigades, notably those from England and the United States, but is ignored by the governments of Germany and Italy.source
- 1938July 22 – Britain rejects a proposal from its ambassador in Berlin, Nevile Henderson, for a four-power summit on Czechoslovakia consisting of Britain, France, Germany and the U.S.S.R., as London will under no circumstances accept the U.S.S.R. as a diplomatic partner.source
- 19382 September – Soviet Ambassador to Britain Ivan Maisky calls on Winston Churchill, telling him that Soviet Foreign Commissar Maxim Litvinov has expressed to the French chargé d'affaires in Moscow that the Soviet Union is willing to fight over the territorial integrity of Czechoslovakia.Soviet Unionsource
- 19382 September – The Hatay Republic was founded, Tayfur Sökmen was elected as the Hatay presidentTurkeysource
- 1938September 5 – Czechoslovak President Edvard Beneš invites mid-level representatives of the Sudeten Germans Hradčany Palace, to tell them he will accept whatever demands they care to make, provided the Sudetenland remains part of the Republic of Czechoslovakia.source
- 1938September 16 – Lord Runciman is recalled to London from Prague, in order to brief the British government on the situation in the Sudetenland.source
- 1938September 18 – During a meeting between Neville Chamberlain, the recently elected Premier of France, Édouard Daladier, and Daladier's Foreign Minister, Georges Bonnet, it becomes apparent that neither the British nor the French governments are prepared to go to war over the Sudetenland. The Soviet Union declares it will come to the defence of Czechoslovakia only if France honours her commitment to defend Czechoslovak independence.source
- 1938September 21 – In the early hours of the day, representatives of the French and British governments call on Czechoslovak President Edvard Beneš, to tell him France and Britain will not fight Hitler if he decides to annex the Sudetenland by force. Late in the afternoon, the Czechoslovak government capitulates to the French and British demands.source
- 1938September 24 – At 1:30 AM, Adolf Hitler and Neville Chamberlain conclude their talks on the Sudetenland. Chamberlain agrees to take Hitler's demands, codified in the Godesberg Memorandum, personally to the Czech Government. The Czech Government rejects the demands, as does Chamberlain's own cabinet. The French Government also initially rejects the terms and orders a partial mobilization of the French army.source
- 1938September 28 – As his self-imposed October 1 deadline for occupation of the Sudetenland approaches, Adolf Hitler invites Italian Duce Benito Mussolini, French Premier Édouard Daladier, and British Prime Minister Neville Chamberlain to one last conference in Munich. The Czechs themselves are not invited.source
- 1938September 29 – Munich Agreement: German, Italian, British and French leaders agree to German demands regarding annexation of the Sudetenland in Czechoslovakia. The Czechoslovak government is largely excluded from the negotiations, and is not a signatory to the agreement.source
- 193830 September – Munich Agreement is signed by France, Germany, Britain and Italy permitting German annexation of Czechoslovakia's Sudetenland.Francesource
- 1938October 2 – Disgusted with Neville Chamberlain's conduct at Munich, Duff Cooper resigns his post as First Lord of the Admiralty. With his resignation, formal debate begins in the Parliament of the United Kingdom on the Munich Agreement, but with Chamberlain at the peak of his popularity, there can be little doubt His Majesty's Government will receive a vote of confidence.source
- 1938October 5 – Edvard Beneš, president of Czechoslovakia, resigns.source
- 1938October 24 – At a "friendly luncheon" in Berchtesgaden, German foreign minister Joachim von Ribbentrop tells Józef Lipski, the Polish ambassador to Germany, that the Free City of Danzig must return to Germany, that the Germans must be given extraterritorial rights in the Polish Corridor, and that Poland must sign the Anti-Comintern Pact.source
- 1938November 2 – Arising from The Munich Agreement, Hungary is "awarded" the Felvidek region of South Slovakia and Ruthenia.source
- 1938November 8 to November 11. Polish legislative election,Polandsource
- 1938November 25 – French Foreign Minister Georges Bonnet informs Léon Noël, the French Ambassador to Poland, that France should find an excuse for terminating the 1921 Franco-Polish alliance.source
- 1938November 30 – The Czechoslovak parliament elects Emil Hácha as the new president of Czechoslovakia.source
- 1938November 30 – Benito Mussolini and his Foreign Minister, Count Galeazzo Ciano, order "spontaneous" demonstrations in the Italian Chamber of Deputies, demanding that France cede Tunisia, Nice, Corsica and French Somaliland to Italy. This begins an acute crisis in Franco-Italian relations, that lasts until March 1939.source
- 1938December 6 – German Foreign Minister Joachim von Ribbentrop visits Paris, where he is allegedly informed by French Foreign Minister Georges Bonnet that France now recognizes all of Eastern Europe as being in Germany's exclusive sphere of influence. Bonnet's alleged statement (he subsequently always denies making the remark) to Ribbentrop is a major factor in German policy in 1939.source
- 1938December 24 – The Lima Declaration is approved by 21 American countries, affirming the sovereignty of Latin American states.Perusource
- 1938December – Adolf Hitler is Time magazine's "Man of the Year", as the most influential person of the year.source
- 1938In a result, the Austrian electorate in a national referendum approved Anschluss by an 99.73%.Austriasource
- 1939January 1 – Philipp Etter takes over as President of the Swiss Confederation.source
- 19393 January – Voters in El Salvador voted Maximiliano Hernández Martínez as President of El Salvador for a second term with 210,810 votes in a 100% margin. He was the only candidate. The 1939 Salvadoran Constitutional Assembly election also occurred and the National Pro Patria Party won all 42 seats.El Salvadorsource
- 1939January 25 – Refik Saydam forms the new (11th) government of Turkey.source
- 1939January 26 – In Paris, French Foreign Minister Georges Bonnet, in response to rumours (which are true) that he is seeking to end the French alliance system in Eastern Europe, gives a speech highlighting his government's commitment to the cordon sanitaire.source
- 1939February 6 – British Prime Minister Neville Chamberlain states in the House of Commons that any German attack on France will be automatically considered an attack on Britain.source
- 1939February 6 – In a response to Georges Bonnet's speech of January 26, German Foreign Minister Joachim von Ribbentrop, referring to Bonnet's alleged statement of December 6, 1938, accepting Eastern Europe as being in Germany's exclusive sphere of influence, protests that all French security commitments in that region are "now off limits".source
- 1939March 13 – Adolf Hitler advises Jozef Tiso to declare Slovakia's independence, in order to prevent its partition by Hungary and Poland.source
- 1939March 14 – The Slovak provincial assembly proclaims independence; priest Jozef Tiso becomes president of the independent Slovak government.source
- 1939March 15 – German troops occupy the remaining part of Bohemia and Moravia; Czechoslovakia ceases to exist. The Ruthenian region of Czechoslovakia declares independence as Carpatho-Ukraine.source
- 1939March 17 – The nationalist governments of Spain and Portugal sign the Iberian Pact in Lisbon, pledging mutual defence of the Iberian Peninsula and neutrality in the event of a general European war.source
- 1939April 3 – Refik Saydam forms the new government in Turkey (12th government; Refik Saydam has served twice as a prime minister).source
- 1939April 4 – Polish Foreign Minister Colonel Józef Beck, in London, signs a treaty designed to bilateralize Neville Chamberlain's "Polish Guarantee" of March 31.source
- 1939April 14 – At a meeting in Paris, French Foreign Minister Georges Bonnet meets with Soviet Ambassador Jakob Suritz, and suggests that a "peace front" comprising France, the Soviet Union, Great Britain, Poland and Romania would deter Germany from war.source
- 1939April 18 – Robert Menzies is elected leader of the United Australia Party, and consequently becomes the 12th Prime Minister of Australia, defeating former Prime Minister Billy Hughes. However, he will not be sworn in until April 26, because of the refusal of Earle Page and his Country Party to serve under him.source
- 193924 April – President Germán Busch dismisses the assembly and declares dictatorial rule.Boliviasource
- 1939May 3 – Vyacheslav Molotov succeeds Maxim Litvinov, as Soviet Foreign Commissar.source
- 1939May 6 – German anti-Nazi Carl Friedrich Goerdeler tells the British government that the German and Soviet governments are secretly beginning a rapprochement, with the aim of dividing Eastern Europe between them. Goerdeler also informs the British of German economic problems which he states threaten the survival of the Nazi regime, and advises that if a firm stand is made for Poland, then Hitler will be deterred from war.source
- 193917 May – The British government issues the White Paper of 1939, following the failure of the London Conference and the continued Arab revolt, which abandons the idea of partitioning, sharply restricts Jewish immigration into Palestine and places severe restrictions on the rights of Jews to buy land from Arabs.Mandatory Palestinesource
- 1939May 23 – The White Paper of 1939 is ratified by the British government, acting as the governing policy for Mandatory Palestine from 1939 to 1948.source
- 19391 June – With the National Renaissance Front the only party allowed to stand, In the general election, Armand Călinescu is elected prime minister.Romaniasource
- 1939June 23 – Talks are completed in Ankara between French Ambassador René Massigli and Turkish Foreign Minister Şükrü Saracoğlu, resolving the Hatay dispute in Turkey's favor. Turkey annexes Hatay.source
- 1939August 2 – The Einstein–Szilard letter is signed by Albert Einstein, advising President of the United States Franklin D. Roosevelt of the potential use of uranium to construct an atomic bomb. It is delivered on October 11 and leads to the first meeting on October 21 of the Advisory Committee on Uranium.source
- 1939August 23 – The Molotov–Ribbentrop Pact is signed between Germany and the Soviet Union, a neutrality treaty that also agrees to division of spheres of influence (Finland, Estonia, Latvia, eastern Poland and Bessarabia (modern-day Moldova), north-east province of Romania to the Soviet Union; Lithuania and western Poland to Germany). Its annex reassigns Lithuania to the Soviet Union.source
- 193923 August – Molotov–Ribbentrop Pact was signed, promising mutual non-aggression between Germany and the Soviet Union and agreeing to a division of much of Europe between those two countries.Estoniasource
- 1939August 23 — Molotov–Ribbentrop PactSoviet Unionsource
- 1939August 24 – As details of the Molotov–Ribbentrop Pact become public, British Prime Minister Neville Chamberlain recalls the Parliament of the United Kingdom several weeks early. In a burst of legislation, the Emergency Powers (Defence) Act 1939 gives full authority to defence regulations, the British Royal Navy is to be put on a war footing, all military leave is to be cancelled, military reserve forces are to be called up, especially coast defence, radar and anti-aircraft units, and Civil Defence workers are placed on alert. In addition, the last British and French private citizens in Germany are advised to return home by their respective Governments.source
- 1939September 3 – Chamberlain offers the war cabinet post of First Lord of the Admiralty to Winston Churchill, who returns to government for the first time since June 4, 1929.source
- 1939September 30 – General Władysław Sikorski becomes Prime Minister of the Polish government-in-exile.source
- 1939November 4 – WWII: U.S. President Franklin D. Roosevelt orders the United States Customs Service to implement the Neutrality Act of 1939, allowing cash-and-carry purchases of weapons to non-belligerent nations.source
- 1939December 1 – The Soviet Union establishes the Finnish Democratic Republic puppet state in Terijoki.source
- 1939Marshall of the Senat – Bogusław MiedzińskiPolandsource
- 193912th government of Turkey (from 3 April)Turkeysource
- 194010 March – General elections are held. Enrique Peñaranda (I-CONC) wins by 85.99%Boliviasource
- 1940March 12 – Moscow Peace Treaty: The Soviet Union and Finland sign a peace treaty in Moscow, ending the Winter War; Finns, along with the world at large, are shocked by the harsh terms.source
- 1940March 30 – WWII: Former Kuomintang member and Chinese foreign minister, Wang Jingwei, announces the creation of the Reorganized National Government of the Republic of China in Nanjing.source
- 1940April 27 – Mandatory Palestine and Lebanon play an association football friendly; it is Lebanon's first official match, and Mandatory Palestine's last before they become Israel in 1948.source
- 194027 April – A friendly association football match between the national teams of Mandatory Palestine and Lebanon takes place at the Maccabiah Stadium in Tel Aviv; Mandatory Palestine beats Lebanon 5–1.Mandatory Palestinesource
- 19401 May: President Getúlio Vargas signs a decree, establishing the country's minimum wage.Brazilsource
- 1940May 10 – With the resignation of Neville Chamberlain, Winston Churchill becomes Prime Minister of the United Kingdom.source
- 1940May 13 – Winston Churchill, in his first address as Prime Minister, tells the House of Commons of the United Kingdom, "I have nothing to offer you but blood, toil, tears and sweat."source
- 1940May 22 – WWII: The Parliament of the United Kingdom passes the Emergency Powers (Defence) Act 1940, giving the government full control over all persons and property.source
- 1940June 17 – Occupation of the Baltic states: The Soviet Union occupies Estonia and Latvia.source
- 1940June 17 – Philippe Pétain becomes Prime Minister of France, and immediately asks Germany for peace terms.source
- 1940June 28 – General Charles de Gaulle is officially recognized by Britain as the "Leader of all Free Frenchmen, wherever they may be."source
- 1940July 3 – WWII: Attack on Mers-el-Kébir: British naval units sink or seize ships of the French fleet anchored in the Algerian ports of Mers-el-Kebir and Oran, to prevent them from falling into German hands. The following day, Vichy France breaks off diplomatic relations with Britain.source
- 19404 July – Taoiseach Éamon de Valera announces that the policy of neutrality adopted the previous September will not be reversed.Northern Irelandsource
- 1940July 11 – Vichy France begins with a constitutional law which only eighty members of the parliament vote against. Philippe Pétain becomes Prime Minister of France.source
- 1940July 19 – Adolf Hitler makes a peace appeal ("appeal to reason") to Britain, in an address to the Reichstag. BBC German-language broadcaster Sefton Delmer unofficially rejects it at once and Lord Halifax, the British foreign minister, flatly rejects peace terms in a broadcast reply on July 22.source
- 1940July 21 – After rigged parliamentary elections in the three occupied countries on July 14–15, the parliaments proclaim the Estonian, Latvian and Lithuanian Soviet Socialist Republics.source
- 194021 July – New Estonian Parliament (loyal to Soviet powers) proclaimed Estonian SSR.Estoniasource
- 1940July 23 – Welles Declaration: United States Under Secretary of State Sumner Welles announces that the U.S. will not accord diplomatic recognition to the Soviet Union's occupation of the Baltic states.source
- 1940August 3 – The Lithuanian SSR is annexed into the Soviet Union, followed by the Latvian SSR on August 5 and the Estonian SSR August 6, just seven weeks after their occupation. Ethnic Germans will be deported to Germany.source
- 1940August 18 – The Prince Edward, Duke of Windsor, is installed as Governor of the Bahamas.source
- 1940August 30 – Second Vienna Award: Germany and Italy compel Romania to cede half of Transylvania to Hungary.source
- 1940Ortiz, during his leave from work, offers his resignation to the Congress amid a political controversy. The Congress does not accept it.Argentinasource
- 1940September 6 – King Carol II of Romania abdicates and is succeeded by his son Michael.source
- 1940September 7 – Treaty of Craiova: Romania loses Southern Dobruja to Bulgaria.source
- 1940September 21 – 1940 Australian federal election: Robert Menzies' UAP/Country Coalition Government is re-elected as a minority government, narrowly defeating the Labor Party led by John Curtin. It is the last federal election to result in a minority government until 2010.source
- 1940September 27 – WWII: Germany, Italy and Japan sign the Tripartite Pact.source
- 194027 September – World War II: Germany, Italy and Japan sign the Tripartite Pact.Germanysource
- 1940November 5 – 1940 United States presidential election: Democrat incumbent Franklin D. Roosevelt decisively defeats Republican challenger Wendell Willkie, and becomes the United States' first and only third-term president.source
- 1940December 1 – Manuel Ávila Camacho takes office as President of Mexico.source
- 1940December 29 – Franklin D. Roosevelt, in a fireside chat to the nation, declares that the United States must become "the great arsenal of democracy."source
- 1940Ruling party – Republican People's Party (CHP)Turkeysource
- 1941January 6 – During his State of the Union address, President of the United States Franklin D. Roosevelt presents his Four Freedoms, as fundamental global human rights.source
- 1941January 10 – The Lend-Lease Act is introduced into the United States Congress.source
- 1941January 23 – Aviator Charles Lindbergh testifies before the U.S. Congress, and recommends that the United States negotiate a neutrality pact with Adolf Hitler.source
- 1941February 8 – WWII: The U.S. House of Representatives passes the Lend-Lease Act.source
- 1941March 1 – WWII: Bulgaria signs the Tripartite Pact, thus joining the Axis powers.source
- 1941March 5 – March 1941 Romanian policy referendumRomaniasource
- 1941March 16 – 1941 Colombian parliamentary election: The Liberal Party obtains a majority in the Chamber of Representatives.Colombiasource
- 1941March 30 – San Pablo becomes a city in the province of Laguna through Commonwealth Act 520 which was approved on May 7, 1940.Philippinessource
- 1941April 10 – The Independent State of Croatia, a puppet state of the Axis powers, is established with Ustashe leader Ante Pavelić as head (Poglavnik) of the government.source
- 1941May 19 – The Viet Minh is formed at Pác Bó in Vietnam, to overthrow French rule of the nation, as an alliance between the Indochina Communist party, led by Ho Chi Minh, and the Nationalist party. It will become the Viet Cong during the Vietnam War.source
- 194127 May – Speaking in the House of Commons of the United Kingdom, Prime Minister Winston Churchill rules out the introduction of conscription in the North.Northern Irelandsource
- 1941June 18 – The German–Turkish Treaty of Friendship is signed between Nazi Germany and Turkey, in Ankara.source
- 194122 June: Turkey declared neutrality in the recently started Germany-USSR War.Turkeysource
- 1941June 29 – WWII: Hitler's second-in-command, Reichsmarshall Hermann Göring, is appointed as Hitler's successor in a written decree. The decree will come into effect, should Hitler die in the middle of the war. (The decree becomes void in April 1945, after Göring tries to assume power while Hitler is still alive, leading to Göring's expulsion from the Nazi Party.)source
- 1941July 1 – Germany and Italy recognize the Japanese-sponsored Reorganized National Government of the Republic of China under Wang Jingwei as the legitimate government of China.source
- 1941July 29 – The Vichy Regime signs the Protocol Concerning Joint Defense and Joint Military Cooperation with the Empire of Japan, giving the Japanese a total of 8 airfields, allowing them greater troop presence, and the use of the Indochinese financial system, in return for continued French autonomy.source
- 1941August 9 – Franklin D. Roosevelt and Winston Churchill meet on board ship at Naval Station Argentia, Newfoundland. The Atlantic Charter (released August 14), setting goals for postwar international cooperation, is created as a result.source
- 1941August 19 – The Tiraspol Agreement is signed between Germany and Romania.source
- 1941August 29 – Robert Menzies resigns as Prime Minister of Australia, after losing the support of his party. He will not return to the Prime Ministership until 1949. Arthur Fadden, leader of the Country Party, consequently becomes Prime Minister, while former Prime Minister Billy Hughes replaces Menzies as UAP leader.source
- 1941August 30 – Germany and Romania sign another treaty, the Tighina Agreement.source
- 1941September 29 – WWII: The Moscow Conference begins: neutral U.S. representative Averell Harriman and British representative Lord Beaverbrook meet with Soviet foreign minister Vyacheslav Molotov to arrange urgent assistance for Russia.source
- 1941September 29: The Moscow Conference; U.S. representative Averell Harriman and British representative Lord Beaverbrook meet with Soviet foreign minister Molotov to arrange assistance.Soviet Unionsource
- 1941October 1 – The New Zealand Division of the Royal Navy becomes the Royal New Zealand Navy.source
- 1941October 7 – John Curtin becomes the 14th Prime Minister of Australia, following the defeat of Arthur Fadden's Country/UAP Coalition government, on the floor of the House of Representatives.source
- 1941October 18 – General Hideki Tōjō becomes the 40th Prime Minister of Japan.source
- 1941November 26 – The Hull note (Outline of Proposed Basis for Agreement Between the United States and Japan), named for Secretary of State Cordell Hull, is delivered to the Empire of Japan by the United States.source
- 1941November 27 – A group of young men stop traffic on U.S. Highway 99 south of Yreka, California, handing out fliers proclaiming the establishment of the State of Jefferson.source
- 19411 December – Self-government of Estonia, headed by Hjalmar Mäe, is appointed by German military administration.Estoniasource
- 1941December 4 – The State of Jefferson is declared in Yreka, California, with a judge, John Childs, as governor.source
- 1941December 21 – The Holocaust: The Stanisławów Ghetto is established in German-occupied Poland, initially with 20,000 Jews crowded inside; by Spring 1943 it will be pronounced Judenfrei (free of Jews).source
- 1941December 26 – WWII: Winston Churchill becomes the first British Prime Minister to address a joint session of the United States Congress.source
- 19411941 Iranian legislative election.Iransource
- 1942January 1 – WWII: The Declaration by United Nations is signed by China, the United Kingdom, the United States, the Soviet Union, and 22 other nations, in which they agree "not to make any separate peace with the Axis powers".source
- 1942January 28 - Brazil breaks diplomatic relations with the Axis countries.Brazilsource
- 19421 February – Chilean presidential election, 1942 is held giving Juan Antonio Rios elected as President of the Republic.Chilesource
- 1942February 8 – António Óscar Carmona is reelected as president of Portugal for a third term.source
- 19428 February – Presidential election.Portugalsource
- 194212 February – Ehud Barak, the 13th Chief of Staff of the IDF and former Prime Minister of IsraelMandatory Palestinesource
- 1942April 26 – WWII: The Reichstag meets for the last time, dissolving itself and proclaiming Adolf Hitler the "Supreme Judge of the German People", granting him the power of life and death over every German citizen.source
- 1942May 26 – The Anglo-Soviet Treaty of 1942, to help establish a military and political alliance between the USSR and the British Empire, is signed in London by foreign Secretary Anthony Eden and Soviet foreign minister Vyacheslav Molotov.source
- 1942Philippines adopts Japan Standard Time at 12:00 a.m. moving the clock one hour ahead.Philippinessource
- 1942July 9 – Şükrü Saracoğlu forms the new (13th) government in Turkey.source
- 1942July 29 – The Presidium of the Supreme Soviet of the Soviet Union institutes the Order of Suvorov and Order of Kutuzov and reinstates the Order of Alexander Nevsky.source
- 194228 August – Estonian Legion is starting to form.Estoniasource
- 1942October 9 – The Statute of Westminster Adoption Act, passed by the Parliament of Australia, formalizes Australian autonomy from the United Kingdom.source
- 1942November 11 – The Turkish parliament passes the Varlık Vergisi, a capital tax mostly levied on non-Muslim citizens with the unofficial aim to inflict financial ruin on them and end their prominence in the country's economy.source
- 1942December 10 – The Holocaust: The Polish government-in-exile sends copies of The Mass Extermination of Jews in German Occupied Poland, including Raczyński's Note, the first official report on The Holocaust, to 26 governments who signed the Declaration by United Nations.source
- 1942December 17 – The Allies issue the Joint Declaration by Members of the United Nations (as the answer to Raczyński's Note), the first time they publicly acknowledge the Holocaust.source
- 1942Agustín Pedro Justo announces his intention to run for the presidency.Argentinasource
- 1942Ruling party – Republican People's Party (CHP)Turkeysource
- 1943January 11 – The United States and United Kingdom revise previously unequal treaty relationships with the Republic of China.source
- 194330 January – Yenice Conference, a meeting between İsmet İnönü and Winston Churchill in which the British side tried to persuade Turkey to join war.Turkeysource
- 19439 February – The Belfast West by-election is won by the Northern Ireland Labour Party candidate Jack BeattieNorthern Irelandsource
- 1943March 9 – Şükrü Saracoğlu forms the new government of Turkey (14th government; Şükrü Saracoğlu had served twice as a prime minister).source
- 1943May 4 - A general election and constitutional referendum were held. William Tubman was elected president and Charles L. Simpson was elected vice-president.Liberiasource
- 1943May 19 – Winston Churchill addresses a joint session of the United States Congress.source
- 1943Revolution of '43 – President Ramón Castillo is deposed by a military coup. Arturo Rawson takes the presidency, but he is removed immediately and replaced by Pedro Pablo RamírezArgentinasource
- 1943July 5 – The National Bands Agreement is concluded in Greece.source
- 1943August 14 – The Quadrant Conference begins in Quebec City; Canadian Prime Minister MacKenzie King meets with Winston Churchill and Franklin D. Roosevelt.source
- 1943August 14 – WWII: Rome is declared an open city by the Italian government, with Italy offering to demilitarize the capital, in return for an Allied agreement not to bomb the city further.source
- 1943August 21 – 1943 Australian federal election: John Curtin's Labor government defeats the Country/UAP Coalition, led by former Prime Minister Arthur Fadden. Labor achieves its greatest ever electoral result, including winning every seat (except one) outside of the eastern states. Notably, this election marked the first time that a woman has been elected to both the Senate and the House of Representatives. Fadden will step down from the Opposition leadership, handing it over to Robert Menzies, who will go on to dissolve the UAP and form the Liberal Party shortly after.source
- 1943August 24 – Heinrich Himmler is named Reichsminister of the Interior in Germany.source
- 19438 September – Jürgen Stroop becomes the country's HSSPF.Greecesource
- 1943September 23 – WWII: The Italian Social Republic ("Republic of Salò") is founded in northern Italy as a puppet state of Nazi Germany.source
- 1943October 14 – José P. Laurel takes the oath of office as President of the Philippines (Second Philippine Republic).source
- 1943October 14 – Jose P. Laurel elected President of the Philippines by the National Assembly.Philippinessource
- 1943October 18 – Third Moscow Conference: A meeting takes place at the Kremlin between the British, American, and Soviet foreign ministers Anthony Eden, Cordell Hull and Vyacheslav Molotov. The USSR agrees to the full creation of a world peace organization with its Allies.source
- 1943October 18 – Chiang Kai-shek takes the oath of office as Chairman of the National Government of China.source
- 1943October 30 – WWII: Signing of Moscow Declarations: the Declaration of the Four Nations on general security, by the United States, United Kingdom, Soviet Union and Republic of China; and the Declarations on Italy, Austria and Atrocities by the first three governments.source
- 1943October 30 — World War II: The Moscow Declaration is signed by the United States, the United Kingdom and the Soviet Union during the Moscow Conference.Soviet Unionsource
- 1943November 9 – An agreement founding the United Nations Relief and Rehabilitation Administration is signed by 44 countries in the White House, Washington, D.C.source
- 1943November 22–26 – WWII: Cairo Conference ("Sextant") – President of the United States Franklin D. Roosevelt, Prime Minister of the United Kingdom Winston Churchill and Chairman of the National Government of China Chiang Kai-shek meet at Cairo, Egypt, to discuss ways to defeat Japan in the Pacific War.source
- 1943November 22 – Lebanon gains independence, upon the ending of the French Mandate.source
- 1943December 16 - WWII: President Franklin Delano Roosevelt is returned to the United States by the USS Iowa after completing his trip to the Cairo and Tehran Conferences.source
- 1943December 30 – Subhas Chandra Bose sets up a pro-Japanese Indian government at Port Blair, India.source
- 1943uncertain date in 1943 – Legislative Assembly unanimously passes a concurrent resolution calling for an end to the colonial system of government.Puerto Ricosource
- 1944January 11 – United States President Franklin D. Roosevelt proposes a Second Bill of Rights for social and economic security, in his State of the Union address.source
- 1944January 26 – WWII: Argentina gave in to the Allies' pressure, severing diplomatic relations with the Axis.source
- 1944Pedro Ramírez resigns as president, being replaced by Edelmiro FarrellArgentinasource
- 1944March 12 – WWII: The Political Committee of National Liberation is created in Greece.source
- 1944March 15 – The Soviet Union introduces a new anthem, replacing The Internationale.source
- 1944March 15 – Soviet Union introduces new anthem, replacing The Internationale.Soviet Unionsource
- 19449 May – Maximiliano Hernández Martínez resigned and fled to Guatemala. Andrés Ignacio Menéndez became Provisional President.El Salvadorsource
- 1944May 18 – Crimean Tatars are deported by the Soviet Union.source
- 1944June 2 – WWII: The Provisional Government of the French Republic is established.source
- 19444 June – End of Ottoman Public Debt Administration (after 90 years)Turkeysource
- 1944July 22 – The new Polish Committee of National Liberation publishes the PKWN Manifesto in Chełm, calling for a continuation of fighting against Nazi Germany, radical reforms including nationalisation of industry, and a "decent border in the West" (the Oder–Neisse line).source
- 1944July–October – WWII: Germans are driven out of Lithuania leading to reimposition of the Lithuanian Soviet Socialist Republic.source
- 1944August 1 – Sergio Osmena assumes the Office of the President of the Commonwealth of the Philippines after the death of Manuel Quezon.Philippinessource
- 1944August 2 – Turkey ends diplomatic and economic relations with Germany.source
- 1944August 4 – The Finnish Parliament, by derogation, elects Marshal C. G. E. Mannerheim as President of Finland to replace Risto Ryti, who has resigned.source
- 1944August 21 – The Dumbarton Oaks Conference (Washington Conversations on International Peace and Security Organization) opens in Washington, D.C.: U.S., British, Chinese, French and Soviet representatives meet to plan the foundation of the United Nations.source
- 1944September 5 – Belgium, Netherlands and Luxembourg constitute Benelux as representatives of the exiled governments sign the London Customs Convention.source
- 1944September 7 – The Belgian government in exile returns to Brussels from London.source
- 1944September 7 – Members of Vichy France's collaborationist government are relocated to Germany where an enclave is established for them in Sigmaringen Castle.source
- 194418 September – Jüri Uluots, prime minister in capacity of president of Estonia, asks Otto Tief to form a government on the eve of the withdrawal of German forces; official gazette published proclaiming the Tief government.Estoniasource
- 1944October 6 – The Dumbarton Oaks Conference concludes.source
- 1944October 9 – WWII: Fourth Moscow Conference: British Prime Minister Winston Churchill and Soviet Premier Joseph Stalin begin a 9-day conference in Moscow, to discuss the future of Europe.source
- 1944October 11 – The Tuvan People's Republic is annexed into the Soviet Union.source
- 1944the Afghan ministry of defense informs British India of its intent to purchase 6 to 8 Tiger Moth aircraft.Afghanistansource
- 1944Communists establish provisional government with Hoxha as Prime Minister.Albaniasource
- 1944November 1–December 7 – Delegates of 52 nations meet at the International Civil Aviation Conference in Chicago, to plan for postwar international cooperation, framing the constitution of the International Civil Aviation Organization.source
- 1944November 7 – 1944 United States presidential election: Franklin D. Roosevelt wins reelection over Republican challenger Thomas E. Dewey, becoming the only U.S. president elected to a fourth term.source
- 1944December 1 – Edward Stettinius, Jr. becomes the last United States Secretary of State of the Roosevelt administration, filling the seat left by Cordell Hull.source
- 1944December 7 – The Convention on International Civil Aviation is signed in Chicago, creating the International Civil Aviation Organization.source
- 1944December 14 – The Soviet government changes Turkish place names to Russian in Crimea.source
- 1944December 20 – General Dwight D. Eisenhower is promoted to the rank of U.S. Five-Star General.source
- 1944December 30 – King George II of Greece declares a regency, leaving his throne vacant.source
- 194514–16 January – Voters in El Salvador voted Salvador Castaneda Castro as President of El Salvador with 312,754 votes in a 99.70% margin. Osmín Aguirre y Salinas heavily rigged the election in favor of Castaneda Castro.El Salvadorsource
- 1945February 4–11 – WWII: President Franklin D. Roosevelt, Prime Minister of the United Kingdom Winston Churchill and Soviet leader Joseph Stalin hold the Yalta Conference.source
- 19459 February – Ely Palmer, formerly with the foreign service at the Australian embassy, succeeds Cornelius Van H. Engert as U.S. minister at Kabul.Afghanistansource
- 1945March 1 – President Franklin D. Roosevelt gives what will be his last address to a joint session of the United States Congress, reporting on the Yalta Conference.source
- 1945March 6 – A Communist-led government is formed in Romania under Petru Groza, following Soviet intervention.source
- 1945March 8 – Josip Broz Tito forms a Provisional Government of the Democratic Federal Yugoslavia, in the Kingdom of Yugoslavia.source
- 1945March 11 – The Empire of Japan establishes the Empire of Vietnam, a puppet state which will last only until August 23, with Bảo Đại as its ruler.source
- 1945April 6 – Sarajevo is liberated from Nazi Germany and the Independent State of Croatia (a fascist puppet state) by Yugoslav Partisans.source
- 1945April 12 – Vice President Harry S. Truman becomes the 33rd president of the United States upon the death of President Franklin D. Roosevelt at the Little White House in Warm Springs, Georgia of an intracerebral hemorrhage.source
- 1945April 27 – The provisional government of Austria headed by Karl Renner asserts its independence from Germany.source
- 19458 June – The Progressive Party was established.Thailandsource
- 1945June 29 – Czechoslovakia cedes Carpathian Ruthenia to the Soviet Union.source
- 1945July 12 – Ben Chifley is elected leader of the Labor Party, and consequently becomes the 16th Prime Minister of Australia, defeating Frank Forde as well as Norman Makin and H.V. Evatt. As a result, Forde becomes the shortest-serving prime minister in Australian history; nevertheless, he retains his post as deputy leader.source
- 1945July 26 – Winston Churchill resigns as Prime Minister of the United Kingdom, after his Conservative Party is soundly defeated by the Labour Party in the 1945 general election. Clement Attlee becomes the new prime minister. It is the first time that Labour has governed Britain with a majority in the House of Commons.source
- 1945August 8 – The United Nations Charter is ratified by the United States Senate.source
- 1945August 15 – Transfer of power happens in 9:00 a.m. from the Japanese to Lyuh Woon-hyung, head of the People's Republic of Korea, in Seoul. This decision was rescinded after the Soviets do not go further down all the way to Seoul. Japan takes back control in August 20th.South Koreasource
- 1945August 17 – Proclamation of Indonesian Independence: Indonesian nationalists Sukarno and Mohammad Hatta declare the independence of the Republic of Indonesia, with Sukarno as president and Mohammad Hatta as vice-president, igniting the Indonesian National Revolution against the Dutch Empire.source
- 1945August 17 – Philippines President José P. Laurel issues an Executive Proclamation putting an end to the Second Philippine Republic, thus ending his term as President of the Philippines.source
- 194517 August – Proclamation of Indonesian IndependenceIndonesiasource
- 1945August 25 – Bảo Đại abdicates as Emperor of Vietnam, ending 2,000 years of dynastic and monarchic rule in the country and 143 years of the Nguyễn dynasty.source
- 1945August 30 – Liberation of Hong Kong from Japanese control, when the British Royal Navy returns Hong Kong to its interrupted British colonial status (1841–1997).source
- 1945September 2 – The Democratic Republic of Vietnam is officially established, by Ho Chi Minh.source
- 1945September 2 – General Douglas MacArthur is given the title of Supreme Commander Allied Powers, and is also tasked with the occupation of Japan.source
- 1945September 11 – The Batu Lintang camp in Sarawak, Borneo is liberated by Australian forces.source
- 1945September 16 – The Soviet Civil Administration is officially proclaimed.North Koreasource
- 1945October 22 – Rómulo Betancourt is named provisional president of Venezuela.source
- 1945October 24 – The United Nations is founded by ratification of its Charter, by 29 nations including the United Kingdom, the United States, France, Canada, Egypt, Brazil, Haiti, Luxembourg, the Soviet Union, Czechoslovakia and others.source
- 1945October 24 – The International Court of Justice ("World Court") is established by the United Nations Charter.source
- 194525 October – Republic of China took Taiwan from Japan.Taiwansource
- 1945November 1 – International Labour Organization's new constitution comes into effect.source
- 1945November 11 – 1945 Yugoslavian parliamentary election: Marshal Josip Broz Tito and the People's Front win a decisive majority (90%) in the Yugoslavian Assembly.source
- 1945November 16 – Charles de Gaulle is unanimously elected president of France by the provisional government.source
- 1945Communist provisional government agrees to restore Kosovo to Yugoslavia as an autonomous regionAlbaniasource
- 1946January 7 – The Allies of World War II recognize the Austrian republic with its 1937 borders, and divide the country into four occupation zones.source
- 1946January 11 – Enver Hoxha declares the People's Republic of Albania, with himself as prime minister. He will remain effectively as a dictator of the country until his death in 1985.source
- 1946January 11 - The People's Republic of Albania was proclaimed at noon (1100 GMT), with Communist leader Enver Hoxha as the nation's Prime Minister. Two months later, a new constitution proclaimed Hoxha's Albanian Workers Party to be the sole force, and Marxism–Leninism as the ideology, of the People's Socialist Republic of Albania.Albaniasource
- 1946January 16 – Charles de Gaulle resigns as head of the French provisional government.source
- 1946January 22 – Iran crisis of 1946: Qazi Muhammad declares the independent people's Republic of Mahabad, at the Chahar Cheragh Square in the Kurdish city of Mahabad. He is the new president; Haji Baba Sheikh is the prime minister.source
- 1946January 22 – The report of High Commissioner Paul McNutt to President Harry Truman, which lumps the candidates into 'loyalists' and 'enemy collaborators,' created resentment among congressional leaders.Philippinessource
- 1946January 31 – The last session of the Permanent Court of International Justice occurs.source
- 1946January 31 – Yugoslavia's new constitution, modeled on the Soviet Union, establishes 6 constituent republics (Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia and Slovenia).source
- 1946February 1 – The Kingdom of Hungary becomes a republic, heavily influenced by the Soviet Union.source
- 1946March 6 – First Indochina War: Ho Chi Minh signs an agreement with France, which recognizes Vietnam as an autonomous state in the Indochinese Federation and the French Union.source
- 1946March 22 - The United Kingdom grants Transjordan, as it is then known, its independence; 3 years later the country changes its name to Jordan.Jordansource
- 1946April 1 – The Malayan Union is formed on dissolution of the British Military Administration and Singapore becomes a Crown colony.source
- 19461 April – The Malayan Union was established, combining the Straits Settlements (except Singapore), Federated Malay States and Unfederated Malay States into a single entity, and replaced British Military Administration (BMA).Malayasource
- 19461 May - Taiwan Provincial Consultative Council was established.Taiwansource
- 1946May 9 – King Victor Emmanuel III of Italy abdicates, and is succeeded by his son Umberto II.source
- 1946June 1 – D'Argenlieu, French High Commissioner for Indo-China, recognizes an autonomous "Republic of Cochin-China" in violation of the March 6 Ho–Sainteny agreement, opening the way for conflict between the Viet Minh and France.source
- 1946June 2 – 1946 Italian institutional referendum: Italians vote to turn Italy from a monarchy into a republic. In the simultaneous 1946 Italian general election, the first since the end of World War II and also the first in which women are allowed to vote, the Christian Democracy party, led by Prime Minister Alcide De Gasperi, wins most seats in the Constituent Assembly of Italy and forms a coalition government. Christian Democracy leads the Italian government continuously until 1981.source
- 1946June 13 – Umberto II of Italy leaves the country and goes into exile in Portugal; Alcide De Gasperi becomes head of state.source
- 1946June 17 – Formal ratification of the Treaty of London grants independence to the Hashemite Kingdom of Transjordan.source
- 1946July 4 – After more than 48 years of American dominance, the Philippines attains full independence as the 3rd Republic; Manuel A. Roxas is 5th President of the Philippines. It marks the end of nearly 400 years of colonial era when the Viceroyalty of New Spain took control since April 27, 1565.source
- 1946July 16 – The Bureau of Land Management (BLM) within the Department of the Interior is formed by the merger of the Grazing Service and United States General Land Office.source
- 194620 July – King Zahir Shah holds a speech at the opening of the sixth session of the National Council, discussing, among other things, Afghan foreign policy. While the section regarding the Soviet Union did not have anything objectionable to the Soviet ambassador, it was noted to be less cordial than the sections about Britain and America.Afghanistansource
- 1946August 7 – The Soviet Union escalates the Turkish Straits crisis through a diplomatic demand to Turkey.source
- 1946August 16 – The Kurdistan Democratic Party is founded in South Kurdistan.source
- 194629 August – In a cabinet reshuffle, the independent Guillaume Konsbruck is replaced by the CSV's Lambert Schaus.Luxembourgsource
- 1946September 2 – The Interim Government of India takes charge, with Jawaharlal Nehru as vice president, as part of the transition from the British Raj to full independence for India and Pakistan.source
- 1946September 8 – Bulgaria is declared a People's Republic after a referendum; King Simeon II leaves.source
- 194615 November - Linggadjati AgreementIndonesiasource
- 1946November 19 – 1946 Romanian general election: The Romanian Communist Party wins 79.86% of the vote, through widespread intimidation tactics and electoral fraud.source
- 1946December 1 – Miguel Alemán Valdés takes office as President of Mexico.source
- 1946December 2 – The International Convention for the Regulation of Whaling is signed in Washington, D.C., to "provide for the proper conservation of whale stocks and thus make possible the orderly development of the whaling industry" through establishment of the International Whaling Commission.source
- 1946December 14 – The International Labour Organization becomes a specialized agency of the United Nations.source
- 1946December 14 – Proposed United States purchase of Greenland from Denmark: An offer is made through diplomatic channels.source
- 1946December 20 – Film It's a Wonderful Life is released in the United States; it becomes an enduring classic.source
- 1947February 5 – Bolesław Bierut becomes the President of Poland.source
- 1947February 12 – In Burma, the Panglong Agreement is reached between the Burmese government under its leader, General Aung San, and the Shan, Kachin, and Chin ethnic peoples at the Panglong Conference. U Aung Zan Wai, Pe Khin, Major Aung, Sir Maung Gyi, Sein Mya Maung and Myoma U Than Kywe are among the negotiators.source
- 1947February 25 – The German state of Prussia is officially abolished, by the Allied Control Council.source
- 1947February - Establishment of SarbupriIndonesiasource
- 19471 March – A centre-right government is formed between the Christian Social People's Party and the Democratic Group under incumbent Prime Minister Pierre Dupong.Luxembourgsource
- 1947April 1 – Paul I becomes King of Greece, aged 45, following the death of his brother, King George II.source
- 19479 April - United Nations Security Council Resolution 22 recommends that the United Kingdom and Albania take their dispute over the Straits of Corfu to the International Court of Justice.Albaniasource
- 1947May 11 – The Kingdom of Laos is officially formed, but is still a French protectorate.source
- 1947May 22 – To fight the spread of Communism, President Harry S. Truman signs an Act of Congress that implements the Truman Doctrine. This Act grants $400 million in military and economic aid to Turkey and Greece.source
- 1947May 31 – Alcide de Gasperi forms a new government in Italy, the first postwar Italian government not to include members of the Italian Communist Party.source
- 1947June 20 – Dagupan becomes a city in the province of Pangasinan through Republic Act 170 and ratified on the same day.Philippinessource
- 1947June 23 – The United States Senate follows the House of Representatives, in overriding President Harry S. Truman's veto of the Taft–Hartley Act.source
- 1947July 6 – 1947 Sylhet referendum: A referendum is held in Sylhet to decide its fate in the Partition of India.source
- 1947July 18 – President Harry S. Truman signs the Presidential Succession Act into law, which places the Speaker of the House and the President pro tempore of the Senate next in the line of succession, after the vice president.source
- 1947July 26 – Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into law to create the Central Intelligence Agency, the Department of Defense, the Joint Chiefs of Staff, and the National Security Council.source
- 1947August 14 – The Muslim majority regions formed by the Partition of India gain independence from the British Empire as the Dominion of Pakistan. While the transition is officially at midnight on this day, Pakistan celebrates its independence on August 14, compared with India on the 15th, because the Pakistan Standard Time is 30 minutes behind the standard time of India.source
- 1947August 14 – Muhammad Ali Jinnah becomes the first governor-general of Pakistan. Liaquat Ali Khan takes office as the first prime minister of Pakistan.source
- 194714 August: The Dominion of Pakistan is declared an independent member state of the British Commonwealth.Pakistansource
- 1947August 15 – The greater Indian subcontinent, with a mixed population of Hindu, Sikhs, Buddhists, Jains, Zoroasters, Jews, Christians, Muslims and others formed by the Partition of India, gains independence from the British Empire, as the Dominion of India. 190 years British rule (1757–1947) in India comes to an end.source
- 1947August 15 – Jawaharlal Nehru takes office as the first prime minister of India, taking his oath from Louis Mountbatten, Viscount Mountbatten of Burma, Governor-General of India (but no longer viceroy).source
- 1947August 28 – The United States request the Korean issue to be handled by the United States, the Soviet Union, the United Kingdom, and the Republic of China in a four-country conference.South Koreasource
- 1947August 31 – In Hungary, communists fail to gain a majority in the 1947 Hungarian parliamentary election (despite widespread fraud) and turn to direct action as part of the country's transition to Communism (1944–1949).source
- 1947September 30 – Pakistan and Yemen join the United Nations.source
- 1947October 20 – A war begins in Kashmir, along the border between India and Pakistan, initiating the Indo-Pakistani War of 1947–1948. Also, Pakistan establishes diplomatic relations with the United States of America.source
- 1947October 24 – The first Azad Kashmir Government is established within Pakistan, headed by Sardar Muhammad Ibrahim Khan as its first President supported by the government of Pakistan.source
- 194725 October – Soviet Union asked to annex Kars and Ardahan in the United Nations assemblyTurkeysource
- 1947November 15 – The Universal Postal Union (UPU) becomes a specialized agency of the United Nations (effective July 1 1948).source
- 1947November 25 – The New Zealand Parliament ratifies the Statute of Westminster, and thus becomes independent of legislative control by the Parliament of the United Kingdom.source
- 1947November 29 – The United Nations General Assembly votes for the United Nations Partition Plan for Palestine which will partition Mandatory Palestine between Arab and Jewish regions, resulting in the creation of the State of Israel.source
- 1947December 9 – French labor unions call off the general strike, and re-commence negotiations with the French government.source
- 1947December 22 – The Italian Constituent Assembly votes to accept the new Constitution of Italy.source
- 19471947 Transjordanian general election - General elections, 20 October.Jordansource
- 1948January 1 – The current Constitutions of Italy and of New Jersey (both later subject to amendment) go into effect.source
- 1948January 4 – Burma gains its independence from the United Kingdom, becoming an independent republic, named the 'Union of Burma', with Sao Shwe Thaik as its first President and U Nu its first Prime Minister.source
- 1948January 22 – British foreign secretary Ernest Bevin proposes the formation of a Western Union between Britain, France and the Benelux countries to stand up against the Soviet Union. The Treaty of Brussels is signed March 17 as a consequence, a predecessor to NATO.source
- 194829 January – The first conference of Benelux foreign ministers is held, in Luxembourg City.Luxembourgsource
- 19481 February – The Federation of Malaya was established, replacing the Malayan Union.Malayasource
- 1948February 4 – Ceylon (later known as Sri Lanka) becomes an independent country, within the British Commonwealth adopting King George VI as the King of Ceylon.source
- 1948February 18 – Éamon de Valera, Irish head of government from 1918 to 1932, loses power to an opposition coalition. John A. Costello is appointed Taoiseach by President Seán T. O'Kelly, until 1960.source
- 1948February 28 – The 2nd Congress of the Communist Party of India convenes in Calcutta.source
- 1948March 18 – The Round Table Conference convenes in The Hague, Netherlands, to prepare the decolonization process for the Caribbean island of Aruba and the other Dutch Colonies. Aruba presents the mandate of the Aruban People for Aruba to become an independent country, under the sovereignty of the House of Orange, based on Aruba's first state constitution presented officially since August 1947, and a (4th) member state of the future Dutch Commonwealth.source
- 1948April 3 – United States President Harry S. Truman signs the Marshall Plan, which authorizes $5 billion in aid for 16 countries.source
- 1948April 18 – Italian general election, 1948: The first democratic general election with universal suffrage is held in Italy. The Christian Democracy party achieves a majority over the Popular Democratic Front Communist-Socialist coalition.source
- 1948May 14 – The Israeli Declaration of Independence is made. David Ben-Gurion becomes the first prime minister, a provisional position that will become formalized on February 14, 1949.source
- 1948May 14 – The Israeli Declaration of Independence is made in Tel Aviv, a few hours before the British Mandate is due to expire. At midnight the British Mandate of Palestine is officially terminated and the State of Israel comes into being.Israelsource
- 1948May 15 – The United States grants de facto recognition to the State of Israel, eleven minutes after it comes into existence, becoming the first country to recognize the Jewish state.Israelsource
- 1948May 26 – The United States Congress passes Public Law 557 which permanently establishes the Civil Air Patrol as the auxiliary of the United States Air Force.source
- 1948May 10th – First general election held in a democratic manner under the United Nations' "supervision to elect the 198 members of the National Assembly". Legislative elections were held in South Korea in a U.S.-administered territory. In the National Assembly, independent candidates won 85 out of 200 seats. The National Alliance for the Rapid Realization of Korean Independence (NARRKI), led by Syngman Rhee, won 55 seats while the Korea Democratic Party (KDP) won 29 seats. The legislative elections, however, were boycotted by left-wing political groups. About 30 United Nations observers watched the elections from May 7 to May 11, 1948. About 400 U.S. military officers and government officials also watched the elections. There were approximately 600 fatalities in election-related violence between March and May 1948.South Koreasource
- 1948July 20 – President Harry S. Truman issues the second peacetime military draft in the United States, amid increasing tensions with the Soviet Union (the first peacetime draft occurred in 1940 under President Roosevelt)source
- 1948July 22 – The Dominion of Newfoundland votes to join Canada, after a referendum.source
- 1948July 26 – U.S. President Truman signs Executive Order 9981, ending racial segregation in the United States Armed Forces.source
- 194830, Fatima Jinnah is aware of her birthday, and is observed for the first time, since independence; the nation refers her to the titles of "Mother of the Nation" and Khatoon-I-Pakistan.Pakistansource
- 1948August 10–23 – The Herrenchiemsee convention prepares the draft for the Basic Law for the Federal Republic of Germany.source
- 1948August 15 – The southern half of Korea is established as the Republic of Korea (South Korea).source
- 1948August 18 – The Danube Commission is created by the Belgrade Convention (enters into force 11 May 1949).source
- 1948August 25 - 1948 North Korean parliamentary electionNorth Koreasource
- 1948September 13 – Margaret Chase Smith of Maine is elected United States Senator, becoming the first woman to serve in both the U.S. House of Representatives and the United States Senate.source
- 1948November 2 – 1948 United States presidential election: Democratic incumbent Harry S. Truman defeats Republican Thomas E. Dewey, "Dixiecrat" Strom Thurmond and Progressive party candidate Henry A. Wallace.source
- 1948November 15 – Louis Stephen St. Laurent becomes Canada's 12th prime minister.source
- 194815 November – The Ceylon Citizenship Act becomes law, qualifying only about 5,000 Indian Tamils for citizenship. More than 700,000 people, about 11% of the population, are denied citizenship and rendered stateless.Sri Lankasource
- 1948December 8 - Costa Rican Constitutional Assembly election, 1948Costa Ricasource
- 1948December 9 – The United Nations General Assembly adopts the Genocide Convention.source
- 1948December 10 – The United Nations General Assembly adopts the Universal Declaration of Human Rights.source
- 1948December 17 – The Finnish Security Police is established to remove communist leadership from its predecessor, the State Police.source
- 1948December 20 – Indonesian National Revolution: The Dutch military captures Yogyakarta, the temporary capital of the newly formed Republic of Indonesia.source
- 1949January 2 – Luis Muñoz Marín becomes the first democratically elected Governor of Puerto Rico.source
- 1949January 16 – Şemsettin Günaltay forms the new government of Turkey. It is the 18th government, last single party government of the Republican People's Party.source
- 1949January 25 – The Council for Mutual Economic Assistance (CMEA or COMECON) is established by the Soviet Union and other communist nations.source
- 1949January 25 – In the first Israeli elections, David Ben-Gurion becomes Prime Minister.source
- 194931 January – The United States grants de jure recognition to the State of Israel.Israelsource
- 1949February 13 – António Óscar Carmona is re-elected president of Portugal, for lack of an opposing candidate.source
- 1949February 17 – Chaim Weizmann begins his term as the first president of Israel.source
- 19497 March – Prime Minister Liaquat Ali Khan presented Objectives Resolution in the assembly.Pakistansource
- 1949March 31 – The former British colony of Newfoundland joins Canada, as its 10th province.source
- 1949April 4 – The North Atlantic Treaty is signed in Washington, D.C., creating the NATO defense alliance.source
- 19494 April – Luxembourg signs the North Atlantic Treaty, becoming a founder member of NATO.Luxembourgsource
- 1949April 28 – The 1949 Commonwealth Prime Ministers' Conference issues the London Declaration, enabling India (and, thereafter, any other nation) to remain in the Commonwealth despite becoming a republic, creating the position of 'Head of the Commonwealth' (held by the ruling British monarch), and renaming the organization, from the 'British Commonwealth' to the 'Commonwealth of Nations'.source
- 1949May 23 – The Federal Republic of Germany (West Germany) is officially established (until 1990).source
- 1949June 5 – Thailand elects Orapin Chaiyakan, the first Thai female member of Thailand's Parliament.source
- 1949the Communist Party organised a "Chinese People's Political Consultative Conference" (CPPCC) to prepare for the establishment of a "New Democracy" regime to replace the Kuomintang-dominated Republic of China governmentChinasource
- 1949July 27 – Rhodesia beats the New Zealand national rugby union team (the All Blacks) 10–8, in an exhibition match in Bulawayo, the only non-Test nation ever to achieve this feat.source
- 1949August 8 – Bhutan signs a Treaty of Friendship with newly independent India, agreeing non-interference in internal affairs, but allowing India to "guide" its foreign policy (similar to the previous arrangements with the British administration in India).source
- 1949August 24 – The North Atlantic Treaty Organization is established.source
- 1949September 7 – The first Bundestag of the Federal Republic of Germany convenes in Bonn. They will elect Konrad Adenauer as Chancellor while the Federal Convention, a constitutional body consisting of the Bundestag members and a same number of representatives of the States, elect the liberal Theodor Heuss as President of Germany on 12 September.source
- 1949September 13 - The Soviet Union vetoes United Nations membership for Ceylon, Finland, Iceland, Italy, Jordan and Portugal.Jordansource
- 1949September 29 – The first plenary session of the Chinese People's Political Consultative Conference approves a design for the flag of the People's Republic of China.source
- 1949October 6 – The Democratic People's Republic of Korea (North Korea) established its first diplomatic and friendly relations with newly proclaimed Communist China (PRC) between the two nations.source
- 1949October 7 – The German Democratic Republic (East Germany) is officially established (until 1990).source
- 1949November 8 – The first presidential election under the post-colonial republic is held, with a four-year presidency, third of the Senate with a 6-year term, and the 97-seat House of Representatives with a 4-year term, being at stake. Incumbent president Quirino of the LP successfully defends his seat against former president Jose P. Laurel of the Nacionalista Party and former Senate president Avelino who has founded an LP faction; his new term will start on December 30.Philippinessource
- 1949November 26 – The Indian Constituent Assembly adopts India's constitution.source
- 1949November 28 – Winston Churchill makes a landmark speech in support of the idea of a European Union, at Kingsway Hall, London - but does not see UK as part of it, "The British Government have rightly stated that they cannot commit this country to entering any European Union without the agreement of the other members of the British Commonwealth".source
- 1949November 30 – 1949 New Zealand general election: The New Zealand National Party, led by Sidney Holland defeats the incumbent New Zealand Labour Party, led by Peter Fraser.source
- 1949December 7 – The United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA) is established as a United Nations agency.source
- 1949December 10 – 1949 Australian federal election: The Liberal/Country Coalition led by Robert Menzies defeats the Labor government, led by Prime Minister Ben Chifley. Menzies is sworn in on December 19, his second stint as prime minister; he will hold the office for over 16 years until his retirement in 1966 and Labor will not win office again until 1972, under Gough Whitlam.source
- 194921 December – Chen Cheng left as Chairperson of Taiwan Province Provincial Government.Taiwansource
- 1949December 27 – The Treaty of The Hague ends the Indonesian National Revolution by recognizing transfer of the sovereignty of the Dutch East Indies from Queen Juliana of the Netherlands to the United States of Indonesia; the Susanto Cabinet takes office in the Republic of Indonesia.source
- 194927 December - Establishment of the Netherlands-Indonesian UnionIndonesiasource
- 1950January 6 – The United Kingdom recognizes the People's Republic of China; the Republic of China severs diplomatic relations with Britain in response.source
- 1950January 9 – The Israeli government recognizes the People's Republic of China.source
- 1950January 13 – Finland forms diplomatic relations with the People's Republic of China.source
- 1950January 23 – The Knesset passes a resolution that states Jerusalem is the capital of Israel.source
- 1950January 26 – India promulgates its constitution, forming a republic, and Rajendra Prasad is sworn in as its first president. The Kingdom of Mysore is merged into the new republic.source
- 1950February 1 – Chiang Kai-shek is re-elected as president of the Republic of China.source
- 1950February 6 – In India, the first Cabinet Secretary (N. R. Pillai) is appointed.source
- 1950February 14 – In an election speech at Edinburgh, Winston Churchill proposes "a parley at the summit" with Soviet leaders, the first use of the term "summit" for such a meeting.source
- 1950February 15 – Juho Kusti Paasikivi is re-elected president of Finland.source
- 1950February 19 – Konrad Adenauer tries unsuccessfully to negotiate with East Germany, to begin reunification.source
- 1950February 23 – 1950 United Kingdom general election: The Labour Party, led by Clement Attlee, remains in office, but the Tories, led by Winston Churchill, increase their seats in the House of Commons.source
- 1950March 1 – Acting President of the Republic of China Li Zongren ends his term in office and Chiang Kai-shek resumes his duties as president, after moving the government of the Republic to Taipei, Taiwan.source
- 19501 March – Chiang Kai-shek resumes his duties as Chinese president after moving his government to Taipei, Taiwan.Taiwansource
- 1950March 12 – Royal question: 1950 Belgian monarchy referendum – In Belgium, a referendum on the monarchy shows 57.7% support the return of King Leopold III from exile to resume exercise of his constitutional powers, 42.3% against. The King has said he would abdicate if he did not receive 55% support, and that the final decision would be for the federal parliament.source
- 1950March – Estonian Communist Party was gone under Moscow control. Many intellectuals were fired and replaced by "leading workers". These "leading workers" were imported from USSR.Estoniasource
- 19502 April – Liaquat Ali Khan visits Delhi for meetings with Indian Prime Minister Nehru.Pakistansource
- 1950April 27 – Apartheid: In South Africa, the Group Areas Act is passed, formally segregating the races.source
- 1950May 9 – Robert Schuman presents his proposal for the creation of a pan-European organisation, which he believes to be indispensable to the maintenance of permanently peaceful relations between the different nations of the continent. This proposal, known as the "Schuman Declaration", is considered to be the beginning of the creation of what becomes the European Union.source
- 1950May 22 – Celâl Bayar becomes the third president of Turkey and Adnan Menderes of the DP forms the new government of Turkey (19th government).source
- 195028 May - 1950 Albanian parliamentary election: the Democratic Front won the election with 99.4% of votesAlbaniasource
- 1950June 15 – Cagayan de Oro in the province of Misamis Oriental becomes a city through Republic Act 521 and ratified on the same day.Philippinessource
- 195021 June – The port of Eilat on the Red Sea is inaugurated with the arrival a ship from Aden containing Torah scrolls and religious articles transferred from the Jewish community of Yemen to Israel.Israelsource
- 1950July 6 - Treaty of Zgorzelec was signed between the Republic of Poland and East Germany (GDR).Germanysource
- 1950July 17 – The Suppression of Communism Act (passed on June 26 by the Parliament of South Africa) comes into force in South Africa.source
- 1950August 1 – Royal question: King Leopold III of Belgium publicly announces that he will abdicate in favor of his son, Baudouin.source
- 19507 August – Laureano Gómez of the Conservative Party becomes the 18th President of Colombia.Colombiasource
- 1950August 8 – Winston Churchill supports the idea of a pan-European army, allied with Canada and the U.S.source
- 1950August 22 – France announces the introduction of a government-guaranteed minimum wage.source
- 1950October 3 – Getúlio Vargas is elected president of Brazil for a 5-year term.source
- 1950November 4 – The United Nations ends the diplomatic isolation of Spain.source
- 1950November 18 – The United Nations accepts the formation of the Libyan National Council.source
- 1950November 28 – Greece and Yugoslavia reform diplomatic relations.source
- 1950Yang di-Pertuan Besar of Negri Sembilan : Tuanku Abdul Rahman ibni Almarhum Tuanku MuhammadMalayasource
- 1951February 1–2 – The 1951 Nepalese revolution leads to agreement for a democratic constitution.source
- 1951February 12 – The seven-nation Commonwealth Consultative Committee meets to discuss the Colombo Plan for south and south-east Asia.source
- 195115 February: The start of the 151 day "1951 Waterfront dispute".New Zealandsource
- 1951February 27 – The Twenty-second Amendment to the United States Constitution, limiting Presidents to two terms, is ratified.source
- 195128 February – Pakistan's first recorded census after gaining its independence from British India concludes.Pakistansource
- 1951February – The Convention People's Party wins national elections in Gold Coast (British colony).source
- 1951February - Albania and the Soviet Union signs an agreement on mutual economic assistance.Albaniasource
- 1951April 11 – U.S. President Harry S. Truman relieves General Douglas MacArthur of his Far Eastern commands.source
- 1951April 18 – The Treaty of Paris (1951) is adopted, establishing the European Coal and Steel Community.source
- 1951April 28 – 1951 Australian federal election: Robert Menzies' Liberal/Country Coalition Government is re-elected with a decreased majority, defeating the Labor Party, led by former Prime Minister Ben Chifley. Chifley dies a little over a month after the election; he will be replaced by his deputy H. V. Evatt.source
- 1951May 3 – The U.S. Senate Committee on Armed Services and U.S. Senate Committee on Foreign Relations begin their closed door hearings into the dismissal of General Douglas MacArthur by U.S. President Harry S Truman.source
- 1951May 23 – The Tibetan government signs the Seventeen Point Agreement for the Peaceful Liberation of Tibet with the People's Republic of China.source
- 19513 June – Elections are held to the Chamber of Deputies in the Centre and Nord constituencies. The Luxembourg Socialist Workers' Party (LSAP) gains 4 seats, taking it to nineteen seats, just behind the Christian Social People's Party (CSV).Luxembourgsource
- 195110 June – 1951 Mongolian parliamentary election.Mongoliasource
- 1951June: Portuguese Cape Verde became an overseas provinceCape Verdesource
- 1951July 10 – A formal peace agreement between Canada and Germany is signed.source
- 1951July 16 – King Leopold III of Belgium abdicates in favour of his son Baudouin, who on July 17 takes the oath as king of Belgium.source
- 1951July 28 – Convention Relating to the Status of Refugees, a multilateral treaty of the United Nations, is signed at a special conference in Geneva, defining the status of refugees and setting out the basis for granting right of asylum, coming into force on 22 April 1954.source
- 1951August 11 – René Pleven becomes Prime Minister of France.source
- 195118 August — The National Progressive Party wins 19 out of 39 seats in the Parliament of Laos in the 1951 Laotian parliamentary election.Laossource
- 1951September 1 – The United States, Australia and New Zealand all sign a mutual defense pact, the ANZUS Treaty.source
- 1951September 2 – The Sri Lanka Freedom Party is founded by S. W. R. D. Bandaranaike.source
- 1951September 8 – The U.S.-Japan Security Treaty, which allows United States Armed Forces to be stationed in Japan even after the end of the occupation of Japan, is signed by Japan and the United States.source
- 1951September 8 – Treaty of San Francisco: In San Francisco, 48 representatives out of 51 attending sign a peace treaty with Japan, formally ending the Pacific War; the delegations of the Soviet Union, Poland and Czechoslovakia do not sign the treaty, instead favoring separate treaties.source
- 1951September 20 – NATO accepts Greece and Turkey as members.source
- 195122 September – Singapore is proclaimed a City of the British Commonwealth by a royal charter issued by King George VI.Singaporesource
- 1951October 14 – The Organization of Central American States (Organización de Estados Centroamericanos, ODECA) is formed.source
- 1951October 19 – The state of war between the United States and Germany is officially ended.source
- 1951October 26 – Winston Churchill is re-elected Prime Minister of the United Kingdom (a month before his 77th birthday) in a general election which sees the defeat of Clement Attlee's Labour government, after 6 years in power.source
- 1951October 27 – King Farouk I of Egypt declares himself king of the Sudan, with no international recognition or support.source
- 19515 November – Roberto Urdaneta Arbeláez becomes acting President of Colombia.Colombiasource
- 1951November 11 – Juan Perón is re-elected president of Argentina.source
- 1951December 24 – Libya becomes independent from Britain and France; Idris I is proclaimed King.source
- 195227 January – Aly Maher Pasha became the Prime Minister of Egypt for the 3rd time.Egyptsource
- 1952February 6 – Princess Elizabeth, Duchess of Edinburgh, becomes monarch of the United Kingdom of Great Britain and Northern Ireland and the British Dominions: Canada, Australia, New Zealand, South Africa, Pakistan and Ceylon. The princess, who is on a visit to Kenya when she hears of the death of her father, King George VI, aged 56, takes the regnal name Elizabeth II.source
- 1952February 26 – Vincent Massey is sworn in, becoming the first Canadian-born Governor General of Canada.source
- 1952March 20 – The United States Senate ratifies a peace treaty with Japan.source
- 1952March 21 – Kwame Nkrumah is elected Prime Minister of the Gold Coast.source
- 1952March 27 – A legislative Assembly election is held in Coorg.source
- 1952April 18 – West Germany and Japan form diplomatic relations.source
- 1952April 28 – The Treaty of San Francisco goes into effect, formally ending the war between Japan and the Allies, and simultaneously ending the occupation of the four main Japanese islands by the Supreme Commander for the Allied Powers.source
- 195228 April – The signing of Sino-Japanese Peace Treaty in Taipei between Japan and the Republic of China.Taiwansource
- 1952May 13 – Pandit Nehru forms his first government in India.source
- 1952May 15 – Diplomatic relations are established between Israel and Japan at the level of legations.source
- 195212 June – A law is reforming the organisation of the Luxembourg Army is passed.Luxembourgsource
- 1952June 27 – Decree 900 in Guatemala orders the redistribution of uncultivated land.source
- 1952July 13 – East Germany announces the formation of its National People's Army.source
- 1952July 26 – King Farouk of Egypt abdicates, nominally in favour of his infant son Fuad II.source
- 1952August 5 – The Treaty of Taipei between Japan and the Republic of China goes into effect, officially ending the Second Sino-Japanese War.source
- 1952August 11 – The Jordanian Parliament forces King Talal of Jordan to abdicate due to mental illness; he is succeeded by his son King Hussein.source
- 1952August 27 – Reparation negotiations between West Germany and Israel end in Luxembourg: Germany will pay 3 billion Deutsche Marks.source
- 1952August 30 – The last Finnish war reparations are sent to the Soviet Union.source
- 1952September 10 – The European Parliamentary Assembly (from March 1962, the European Parliament) opens.source
- 195210 September – The Reparations Agreement between Israel and West Germany is signed. According to the Agreement, West Germany was to pay Israel for the slave labor and persecution of Jews during the Holocaust, and to compensate for Jewish property that was stolen by the Nazis.Israelsource
- 1952October 23 – The West German Federal Constitutional Court bans the Socialist Reich Party as unconstitutional for being a Nazi Party successor organization.source
- 1952November 4 – 1952 United States presidential election: Republican General Dwight D. Eisenhower defeats Democratic Governor of Illinois Adlai Stevenson (correctly predicted by the UNIVAC computer).source
- 1952November 4 – Pace-Finletter MOU 1952: A Memorandum of understanding is signed between "...Air Force Secretary Finletter and Army Secretary Pace that established a fixed wing weight limit [for the Army] of five thousand pounds empty, but weight restrictions on helicopters were eliminated..."source
- 195222 November – Colombia officially recognizes Venezuelan sovereignty over Los Monjes Archipelago.Colombiasource
- 195223 November – Basic Principles Committee (BPC) presents the second revised report to the Constituent Assembly. The report called for a parity of representation between East and West Pakistan in parliament elected on the basis of separate balloting for minorities.Pakistansource
- 1952November 29 – Korean War: U.S. President-elect Dwight D. Eisenhower fulfills a political campaign promise, by traveling to Korea to find out what can be done to end the conflict.source
- 1952December 1 – Adolfo Ruiz Cortines takes office as President of Mexico.source
- 1952December 10 – Albert Schweitzer is given the 1952 Nobel Peace Prize.source
- 195216 December – Independent candidate Madai Puthan Damodaran Nair was sworn in as legislative councillor for Seletar Constituency in an uncontested walkover.Singaporesource
- 1952December 26 – Joseph Ivor Linton, the first Israeli Minister Plenipotentiary in Japan, presents his credentials to the Emperor of Japan.source
- 1952until 1953 – Estonian SSR is reorganized into three oblasts: Tallinn, Tartu, and Pärnu.Estoniasource
- 1953February 11 – The Soviet Union breaks diplomatic relations with Israel, after a bomb explodes at the Soviet Embassy, in reaction to the 'Doctors' plot'.source
- 195311 February – The Soviet Union breaks diplomatic relations with Israel after an explosion occurs in the Soviet embassy building in Tel Aviv, which was planted by the Tzrifin Underground.Israelsource
- 1953February 28 – Greece, Turkey, and Yugoslavia sign the Balkan Pact.source
- 1953March 6 – Georgy Malenkov succeeds Joseph Stalin, as Premier and First Secretary of the Communist Party of the Soviet Union.source
- 1953April 7 – Dag Hammarskjöld is elected Secretary-General of the United Nations.source
- 1953April 17 – Governor General Ghulam Muhammad sacked Prime Minister Khawaja Nazimuddin, although he enjoyed the confidence of the parliament, and appointed Mohammad Ali Bogra to form a government on April 17.Pakistansource
- 1953May 9 – Australian Senate election, 1953: The Liberal/Country Coalition Government, led by Prime Minister Robert Menzies, holds their Senate majority, despite gains made by the Labor Party, led by H. V. Evatt. This is the first occasion where a Senate election is held without an accompanying House of Representatives election.source
- 1953May 9 – France agrees to the provisional independence of Cambodia, with King Norodom Sihanouk.source
- 195311 May – The Governments of Singapore and British Malaya appointed a joint committee, headed by Commissioner-General Malcolm MacDonald, to make recommendations for unification.Singaporesource
- 1953June 7 – Italian general election: the Christian Democracy party wins a plurality in both legislative houses.source
- 1953June 13 – Hungarian Prime Minister Mátyás Rákosi is replaced by Imre Nagy.source
- 1953June 18 – Egypt declares itself a republic.source
- 1953July 10 – The Soviet official newspaper Pravda announces that Lavrentiy Beria has been deposed as head of the NKVD.source
- 19531 August - Haxhi Lleshi takes office as the de jure Chairman of the Presidium of the People's Assembly.Albaniasource
- 19532 August – President Víctor Paz Estenssoro signs Supreme Decree N° 3464 into law, passing sweeping agrarian reform and declaring peasants the owners of their own lands.Boliviasource
- 1953August 22 – The last prisoners are repatriated from Devil's Island to France.source
- 1953September 7 – Nikita Khrushchev becomes head of the Soviet Central Committee.source
- 1953September 23 – The Pact of Madrid is signed by Francoist Spain and the United States of America, ending a period of virtual isolation for Spain.source
- 1953September 25 – The first German prisoners of war return from the Soviet Union to West Germany.source
- 1953October 1 – The Mutual Defense Treaty Between the United States and the Republic of Korea is concluded in Washington, D.C.source
- 19531 October – The Mutual Defense Treaty (United States–South Korea) was signed,South Koreasource
- 1953October 5 – Earl Warren is appointed Chief Justice of the United States, by President Dwight D. Eisenhower.source
- 1953October 9 – West German federal election, 1953: Konrad Adenauer is re-elected as German chancellor.source
- 195325 October – The Cristo Rey is inaugurated in Cali.Colombiasource
- 1953October 30 – Cold War: U.S. President Dwight D. Eisenhower formally approves the top secret document of the United States National Security Council NSC 162/2, which states that the United States' arsenal of nuclear weapons must be maintained and expanded to counter the communist threat.source
- 1953November 5 – David Ben-Gurion resigns as prime minister of Israel.source
- 1953November 9 – Cambodia becomes independent from France.source
- 1953November 9 - The Khmer Issarak begins to fight the French Army and Cambodia joins the First Indochina War but the Kingdom of Cambodia is established.Cambodiasource
- 1953December 2 – The United Kingdom and Iran reform diplomatic relations.source
- 1953December 8 – U.S. President Dwight D. Eisenhower delivers his Atoms for Peace address, to the United Nations General Assembly.source
- 1953December 25 – The Amami Islands are returned to Japan, after 8 years of United States military occupation.source
- 1953December 30 – Ramon Magsaysay becomes the 7th President of the Philippines.source
- 1954January 17 – In Yugoslavia, Milovan Đilas, one of the leading members of the League of Communists of Yugoslavia, is relieved of his duties.source
- 1954January 25 – The foreign ministers of the United States, Britain, France and the Soviet Union meet at the Berlin Conference.source
- 195426 January – Moshe Sharett presents his cabinet for a Knesset "Vote of Confidence". The 5th Government is approved that day and the members were sworn in.Israelsource
- 1954February 19 – 1954 transfer of Crimea: The Soviet Politburo of the Soviet Union orders the transfer of the Crimean Oblast from the Russian SFSR to the Ukrainian SSR.source
- 195422 February – Rendel Commission's recommendations were unveiled to the public. It proposed changes to the constitution, which took effect on 8 February 1955.Singaporesource
- 1954February 25 – Lt. Col. Gamal Abdel Nasser becomes premier of Egypt.source
- 19542 April – Pakistan forms an alliance with Turkey which, although not including military cooperation, opens the way to the Middle-East alliance due to its allowance of the entry of other nations.Pakistansource
- 1954April 11 – In a general election in Belgium, the dominant Christian Social Party wins 95 of the 212 seats in the Chamber of Representatives, and 49 of the 106 seats in the Senate. The government led by Jean Van Houtte loses their majority in parliament. The two other main parties, the Socialist and Liberal Party, subsequently form a rare "purple" government, with Achille Van Acker as Prime Minister.source
- 1954April 22 – The 1951 United Nations Convention Relating to the Status of Refugees comes into force, defining the status of refugees and setting out the basis for granting right of asylum.source
- 1954May 15 – The Latin Union (Unión Latina) is created by the Convention of Madrid. Its member countries use the five Romance languages: Italian, French, Spanish, Portuguese, and Romanian. It suspended operations in 2012.source
- 1954May 17 – Brown v. Board of Education (347 US 483 1954): The Supreme Court of the United States rules unanimously that segregated schools are unconstitutional.source
- 1954May 17 – Adnan Menderes of the Democrat Party forms the new (21st) government of Turkey.source
- 1954May 20 – Chiang Kai-shek is re-elected as the president of the Republic of China, by the National Assembly.source
- 195420 May – Elections are held to the Chamber of Deputies. The Christian Social People's Party gains 5 seats, while the Luxembourg Socialist Workers' Party and Democratic Party lose two each.Luxembourgsource
- 1954May 29 – 1954 Australian federal election: Robert Menzies' Liberal/Country Coalition Government is re-elected with a decreased majority, defeating the Labor Party led by H.V. Evatt. The election has come shortly after the Petrov Affair, arguably helping the Government survive what was initially predicted to be a defeat.source
- 1954June 18 – Pierre Mendès France becomes prime minister of France.source
- 1954July 21 – The Southeast Asia Collective Defense Treaty is signed in Manila, creating the South East Asian Treaty Organization (SEATO).Philippinessource
- 1954September 6 – The Southeast Asia Treaty Organization (SEATO) treaty is signed in Manila, Philippines.source
- 1954September 18 – Finnish president J. K. Paasikivi is the first Western head of state to be awarded the highest honor of the Soviet Union, the Order of Lenin.source
- 1954September 24 – The Cochabamba–Santa Cruz highway connecting western and eastern Bolivia is inaugurated.source
- 1954September 25 – Footscray Football Club wins their first Australian Football League Grand Final.source
- 1954October 23 – Paris Agreement sets up the Western European Union to implement the Treaty of Brussels (1948), providing for mutual self-defence and other collaboration between Belgium, France, West Germany, Italy, Luxembourg, the Netherlands and the United Kingdom. Germany is granted admission to the NATO which becomes effective in 1955.source
- 1954November 5 – Japan and Burma sign a peace treaty in Rangoon, to end their long-extinct state of war.source
- 1954November 14 – Egyptian president Muhammad Naguib is deposed, and Gamal Abdel Nasser replaces him.source
- 1954November 21 – People's Action Party, an eventual dominative political party in Singapore, was established.source
- 19542 December – Sino-American Mutual Defense Treaty.Taiwansource
- 19549 December - The Pogradec Agreement is signed by Dušan Mugoša and Mehmet Shehu, officially marking an end to the Albanian–Yugoslav border conflict.Albaniasource
- 1954December 15 – The Netherlands Antilles is created out of the Dutch Caribbean nations. It is dissolved between 1986 and 2010.source
- 1954December 24 – Laos gains full independence from France.source
- 1954In South Vietnam, the Viet Minh is reorganised into the Viet Cong.source
- 1954After the death of Joseph Stalin, the Soviet Union starts releasing political prisoners and deportees from its Gulag prison camps.source
- 1955January 3 – José Ramón Guizado becomes president of Panama.source
- 195512 January – A law is passed granting amnesty for crimes committed against the state and laxening denazification.Luxembourgsource
- 1955February 19 – The Southeast Asia Treaty Organization (SEATO) is established, at a meeting in Bangkok.source
- 1955February 24 – The Baghdad Pact (CENTO), originally known as Middle East Treaty Organization (METO), is signed between Iraq and Turkey.source
- 1955April 6 – Anthony Eden becomes Prime Minister of the United Kingdom.source
- 1955April 16 – The Burma–Japan Peace Treaty, signed in Rangoon on November 5, 1954, comes into effect, formally ending a state of war between the two countries.source
- 19551 May – The end of First Taiwan Strait Crisis.Taiwansource
- 1955May 6 – The Western European Union Charter becomes effective.source
- 1955May 9 – West Germany joins the North Atlantic Treaty Organization (NATO).source
- 1955May 14 – Eight Communist Bloc countries, including the Soviet Union, sign a mutual defence treaty in Warsaw, Poland, that is called the Warsaw Pact (it will be dissolved in 1991).source
- 1955May 15 – The Austrian State Treaty, which restores Austria's national sovereignty, is concluded between the 4 occupying powers following World War II (the United Kingdom, the United States, the Soviet Union, and France) and Austria, setting it up as a neutral country.source
- 195512 June – The 1955 Vuelta a Colombia ends, Ramón Hoyos comes in first place overall.Colombiasource
- 1955June 26 – The Freedom Charter of the anti-apartheid South African Congress Alliance is adopted, at a Congress of the People in Kliptown.source
- 1955June 30 – The Simonstown Agreement provides for control of the naval base at Simon's Town in the Union of South Africa to transfer from the British Royal Navy to the South African Navy.source
- 1955July 18–23 – Geneva Summit between the United States, Soviet Union, United Kingdom and France.source
- 1955July 18 – Illinois Governor William Stratton signs the Loyalty Oath Act, that mandates all public employees take a loyalty oath to the State of Illinois and the United States or lose their jobs.source
- 195527 July – First General Elections in Malaya. Alliance Party (Parti Perikatan) won 51 parliament seats of 52.Malayasource
- 1955August 18 – The first meeting of the Organization of Central American States (Organización de Estados Centroamericanos, ODECA) is held, in Antigua Guatemala.source
- 1955September 18 – The United Kingdom formally annexes the uninhabited Atlantic island of Rockall.source
- 1955September 18-Democratic Party was founded.South Koreasource
- 1955September 23 – "Baghdad Pact": Military treaty among Iraq, Turkey, the U.K., Pakistan, and Iran is ratified by Pakistan.Pakistansource
- 1955September 24 – Dwight D. Eisenhower, president of the United States, suffers a coronary thrombosis while on vacation in Denver, Colorado. Vice President Nixon assumed administrative duties and presided over Cabinet and National Security Council meetings while Eisenhower recovers.source
- 1955October 14 – The Organization of Central American States secretariat is inaugurated.source
- 1955October 26 – After the last Allied troops have left Austria, and following the provisions of the Austrian Independence Treaty, the country declares its permanent neutrality.source
- 1955October 26 – Ngô Đình Diệm proclaims Vietnam to be a republic, with himself as its President (following the State of Vietnam referendum on October 23), and forms the Army of the Republic of Vietnam.source
- 1955November 15 – The Democratic Party of Japan and Japan Liberal Party merge to form the Japan Liberal Democratic Party, beginning the "1955 System".source
- 1955November 23 – The Cocos Islands in the Indian Ocean are transferred from British to Australian control.source
- 195523 November – The administration of Cocos (Keeling) Islands is transferred to Australia after several delays.Singaporesource
- 1955December 9 – Adnan Menderes of DP forms the new government of Turkey (22nd government).source
- 1955December 10 – 1955 Australian federal election: Robert Menzies' Liberal/Country Coalition Government is re-elected with a substantially increased majority, defeating the Labor Party led by H. V. Evatt. This election comes in the immediate aftermath of the devastating split in the Labor Party, which leads to the formation of the Democratic Labor Party. The DLP will preference against Labor, and keep the Coalition in office until 1972.source
- 195514 December - Laos is admitted to the United Nations under United Nations Security Council Resolution 109.Laossource
- 1955December 20 – Cardiff is declared by the British Government as the capital of Wales.source
- 1955December 31 – Austria becomes independent, under terms of the May 15 Austrian State Treaty.source
- 1956January 1 – The Anglo-Egyptian Condominium ends in Sudan after 57 years.source
- 1956January 16 – Egyptian leader Gamal Abdel Nasser vows to Liberate Palestine.source
- 195626 January – The Administrative Department of the Presidency of the Republic is formed.Colombiasource
- 195620 February – Tunku Abdul Rahman announced in Malacca Town after he returned from London that Malaya would become independent on 31 August 1957.Malayasource
- 1956March 2 – Morocco declares its independence from France.source
- 1956March 20 – Tunisia gains independence from France.source
- 1956April 9 – Habib Bourguiba is elected President of the National Constituent Assembly of the Kingdom of Tunisia; on April 15 he becomes prime minister.source
- 1956April 18 – Maria Desylla-Kapodistria is elected mayor of Corfu, becoming the first female mayor in Greece.source
- 1956May 8 – The constitutional union between Indonesia and the Netherlands is dissolved.source
- 19568 May – Israel and Austria establish diplomatic relations.Israelsource
- 1956May 25 – India announces the institution of diplomatic relations with Francoist Spain.source
- 1956June 1 – Vyacheslav Molotov resigns as foreign minister of the Soviet Union; he later becomes ambassador to Mongolia.source
- 1956June 6 – In Singapore, chief minister David Marshall resigns a little over a year into his chief ministership, after the breakdown of talks regarding internal self-government in London.source
- 19568 June — Lim Yew Hock became the second Chief Minister of Singapore.Singaporesource
- 1956June 23 – Gamal Abdel Nasser becomes the 2nd president of Egypt, a post he holds until his death in 1970.source
- 1956July 10 – The British House of Lords defeats the abolition of the death penalty.source
- 1956July 30 – A joint resolution of Congress is signed by President Dwight D. Eisenhower, authorizing "In God we trust" as the U.S. national motto.source
- 1956August 17 – West Germany bans the Communist Party of Germany.source
- 1956August 1956 – Maj. Gen. Iskander Mirza, the president of Pakistan, stays four days in the Afghan capital. It is believed that both Menderes and Mirza discussed at Kabul the possibility of Afghanistan's joining the Baghdad Pact, the problems of the Pathan or Pakhtu tribesmen, and their aspiration for a "Pakhtunistan" state.Afghanistansource
- 1956date unknown – A coalition government between the Pathet Lao and National Progressive Party (Laos) is formed.Laossource
- 1956October 19 – The Soviet–Japanese Joint Declaration of 1956 is signed in Moscow, ending the legal state of war between the Soviet Union and Japan (with effect from December 12) and making possible the restoration of diplomatic relations between the two nations.source
- 195625 October - The Constitution of Luxembourg is amended in two places to allow for the delegation of constitutional powers to international organisations, in preparation for the creation of the European Economic Community.Luxembourgsource
- 1956October 29 – Tangier Protocol: The international city Tangier is reintegrated into Morocco.source
- 1956November 1 – The States Reorganisation Act of India reforms the boundaries and names of Indian states. Three new states, Kerala, Karnataka and Andhra Pradesh, are formed.source
- 1956November 6 – 1956 United States presidential election: Republican incumbent Dwight D. Eisenhower defeats Democratic challenger Adlai Stevenson, in a rematch of their contest 4 years earlier.source
- 1956November 12 – Morocco, Sudan and Tunisia join the United Nations.source
- 1956December 12 – Japan becomes a member of the United Nations.source
- 195611-12 February: 1956 Maltese United Kingdom integration referendumMaltasource
- 1957January 1 – The Saarland joins West Germany.source
- 1957January 10 – Harold Macmillan becomes Prime Minister of the United Kingdom.source
- 1957January 11 – The African Convention is founded in Dakar.source
- 1957January 20 – Israel withdraws from the Sinai Peninsula (captured from Egypt on October 29, 1956).source
- 195722 January – Israel withdraws from the Sinai Peninsula (captured from Egypt on 29 October 1956 during the Suez Crisis), keeping forces in the Gaza Strip and along the eastern shore of the peninsula.Israelsource
- 1957January 26 – The Ibirapuera Planetarium (the first in the Southern Hemisphere) is inaugurated in the city of São Paulo, Brazil.source
- 1957February 15 – Andrei Gromyko becomes foreign minister of the Soviet Union.source
- 1957February 23 – The founding congress of the Senegalese Popular Bloc opens in Dakar.source
- 1957March 1 – U Nu becomes Prime Minister of Burma.source
- 1957March 6 – United Kingdom colonies Gold Coast and British Togoland become the independent nation of Ghana.source
- 1957March 25 – The Treaty of Rome (Patto di Roma) establishes the European Economic Community (EEC; predecessor of the European Union) between Italy, France, West Germany, Belgium, the Netherlands and Luxembourg.source
- 195725 March – Luxembourg is one of the six founder signatories of the Treaty of Rome, creating the European Economic Community.Luxembourgsource
- 1957April 5 – The Communist Party of India wins the elections in Kerala, making E. M. S. Namboodiripad its first chief minister.source
- 1957April 15 – White Rock secedes from Surrey, British Columbia, following a referendum.source
- 195711 May - Laos withdraws from the French Union.Laossource
- 1957May 16 – Paul-Henri Spaak becomes the new Secretary General of NATO.source
- 1957June 21 – John Diefenbaker becomes the 13th Prime Minister of Canada.source
- 1957July 14 – Rawya Ateya takes her seat in the National Assembly of Egypt, thereby becoming the first female parliamentarian in the Arab world.source
- 1957July 25 – Tunisia becomes a republic, with Habib Bourguiba as its first president.source
- 1957August 31 – The Federation of Malaya gains independence from the United Kingdom, subsequently celebrated as Malaysia's National Day. Abdul Rahman of Negeri Sembilan, Yang di-Pertuan Besar of Negeri Sembilan, becomes the first Yang di-Pertuan Agong of Malaya. The country's new Constitution had come into force on August 27. The Alliance Party and its successor are the ruling coalition until 2018.source
- 1957September 9 – The Civil Rights Act of 1957 is enacted, establishing the United States Commission on Civil Rights.source
- 1957September 21 – Olav V becomes King of Norway on the death of his father Haakon VII.source
- 195720 October – A new Central Executive Committee of the PAP is formed with Toh Chin Chye as chairman and Lee Kuan Yew as Secretary-General.Singaporesource
- 1957October 27 – Celâl Bayar is re-elected president of Turkey.source
- 195730 October – The Alliance (the predecessor of the Barisan Nasional political coalition in Malaysia) was officially registered as a political organization.Malayasource
- 1957November 14 – Carlos P. Garcia is elected president in the presidential elections.Philippinessource
- 1957November 15 – Yugoslavia announces the end of an economic boycott of Francoist Spain (although it does not reinstitute diplomatic relations).source
- 1957November 16 – Adnan Menderes of the Democrat Party forms the new government of Turkey (23rd government, last government formed by DP and Menderes).source
- 1957November 30 – 1957 New Zealand general election: The Labour Party defeats the governing National Party, with Walter Nash succeeding Keith Holyoake as Prime Minister.source
- 1957December 10 – Canadian diplomat Lester B. Pearson receives the Nobel Peace Prize, for his peacekeeping efforts in the United Nations.source
- 1957Ibrahim Ismail Chundrigar, having served as Prime Minister for only 56 days, is forced to resign. Feroz Khan Noon succeeds Chundrigar as Prime Minister. He is the seventh Prime Minister in 10 years.Pakistansource
- 19571957 North Korean parliamentary electionNorth Koreasource
- 1958January 3 – The West Indies Federation is formed.source
- 1958January 27 – A Soviet-American executive agreement on cultural, educational and scientific exchanges, also known as the "Lacy–Zarubin Agreement", is signed in Washington, D.C.source
- 1958February 1 – Egypt and Syria unite to form the United Arab Republic.source
- 19583 February – Luxembourg, Belgium, and the Netherlands sign a treaty creating the Benelux Economic Union.Luxembourgsource
- 1958February 11 – Marshal Chen Yi succeeds Zhou Enlai as Chinese Minister of Foreign Affairs.source
- 195812 February – Israel's Knesset passes the Basic Knesset Law (חוק יסוד: הכנסת).Israelsource
- 1958February 14 – The Hashemite Kingdoms of Iraq and Jordan unite in the Arab Federation, with King Faisal II of Iraq as head of state.source
- 1958February 23 – Arturo Frondizi is elected president of Argentina.source
- 1958April 1 – The Treaty of Angra de Cintra is signed by Spain and Morocco, ending the Spanish protectorate in Morocco.source
- 1958May 1 – The Nordic Passport Union comes into force.source
- 1958May 1 – Arturo Frondizi becomes President of Argentina.source
- 19584 May - 1958 Laotian parliamentary electionLaossource
- 1958May 10 – Interviewed in the Chave d'Ouro café, when asked about his rival António de Oliveira Salazar, Humberto Delgado utters one of the most famous comments in Portuguese political history: "Obviamente, demito-o! (Obviously, I'll sack him!)".source
- 1958May 12 – A formal North American Aerospace Defense Command agreement is signed between the United States and Canada.source
- 195813 May – The third Merdeka Talks took place, which concluded with the same agreement from 1957.Singaporesource
- 1958June 1 – Charles de Gaulle is brought out of retirement at Colombey-les-Deux-Églises to lead France by decree for 6 months.source
- 19581 June - 1958 Albanian parliamentary electionAlbaniasource
- 195814 June - The colony celebrated the centennial of Praia being given city status; celebrations include the dedication of a statue of Diogo Gomes, proclaiming him the discoverer of the islands.Cape Verdesource
- 1958July 12 – Henri Cornelis becomes Governor-General of the Belgian Congo, the last Belgian governor prior to independence.source
- 1958September 2 – Hendrik Verwoerd becomes the 6th Prime Minister of South Africa.source
- 1958September 4 – Jorge Alessandri is the winner of Chile's presidential election.source
- 1958September 28 – In the 1958 French constitutional referendum, a majority of 79% says yes to the constitution of the Fifth Republic.source
- 1958October 1 – Tunisia and Morocco join the Arab League.source
- 1958October 1 – The United Kingdom transfers sovereignty of Christmas Island from Singapore to Australia.source
- 1958October 4 – The new Constitution of France is signed into law, establishing the French Fifth Republic.source
- 1958October 27 – Ayub and his Cabinet takes oaths. In a dramatic turn of events late night, President Iskander Mirza resigned, giving over his office to Gen Ayub Khan, who had taken oath as Prime Minister just this morning. Ayub now becomes the country's 2nd President, though without a constitution. He remained Prime Minister for around 13 hours only, thus becoming the shortest-serving Premier in the history of the country so far. The press release declares it a voluntary transfer of power but, behind the curtains, the transfer letter had actually been wrung from the ambitious Mirza on gun point, by the 3 military members of Ayub's cabinet. General Ayub Khan, who was nominated Prime Minister by President Mirza on 24th, has taken the oath today. He has also announced his cabinet: three military officials including Lt General Azam Khan, and eight civilians including Md. Hafizur Rahman, A. K. Khan, Muhammad Ibrahim and Zulfikar Ali Bhutto.Pakistansource
- 1958November 3 – The new UNESCO building, World Heritage Centre, is inaugurated in Paris.source
- 1958November 3 – Jorge Alessandri is sworn in as President of Chile.source
- 1958November 25 – French Sudan gains autonomy as a self-governing member of the French colonial empire.source
- 1958November 28 – Chad, the Republic of the Congo and Gabon become autonomous republics within the French colonial empire.source
- 1958November 30 – Gaullists win the French parliamentary election.source
- 1958December 1 – Adolfo López Mateos takes office as President of Mexico.source
- 19586 December – The Indian President Dr. Rajendra Prasad was the first foreign leader to visit Malaya.Malayasource
- 1959January 2 - As Castro's rebel forces rolled into Havana, the 32-year-old leader named Dr. Manuel Urrutia Lleo as President of Cuba.Cubasource
- 1959January 3 – Alaska is admitted as the 49th U.S. state.source
- 1959January 3 – The southernmost island of the Maldives archipelago, Addu Atoll, declares its independence from the Kingdom of the Maldives, initiating the United Suvadive Republic.source
- 1959January 6 – The International Maritime Organization is inaugurated.source
- 1959January 7 – The United States recognizes the new Cuban government of Fidel Castro.source
- 1959January 8 – Charles de Gaulle is inaugurated as the first president of the French Fifth Republic.source
- 1959January 10 – The Soviet government recognizes the new Castro government of Cuba.source
- 1959January 21 – The European Court of Human Rights is established.source
- 19591 February – Elections are held to the Chamber of Deputies. The Christian Social People's Party loses 5 seats, while the Democratic Party gains five.Luxembourgsource
- 1959February 9 – Yugoslavia and Spain set trade relations (not diplomatic ones).source
- 1959February 16 – Fidel Castro becomes Premier of Cuba.source
- 1959February 18 – Women in Nepal vote for the first time.source
- 1959February 18 - Elections were held in Nepal for the first time its history, as voters chose candidates for 18 of the 109 lower house seats, with the remainder to be chosen on eight other days.Nepalsource
- 1959February 19 – First of the London and Zürich Agreements under which the United Kingdom agrees to grant independence to Cyprus.source
- 1959March 18 – U.S. President Dwight D. Eisenhower signs the Hawaii Admission Act, granting statehood to Hawaii.source
- 1959March 19 – The other two southern islands of the Maldives, Huvadhu Atoll and Fuvahmulah, join Addu Atoll in forming the United Suvadive Republic (abolished September 1963).source
- 1959April 27 – National People's Congress elects Liu Shaoqi as Chairman of the People's Republic of China, as a successor of Mao Zedong.source
- 1959May 24 – British Empire Day is renamed Commonwealth Day.source
- 195930 May – The 1959 General Elections was held. Lee Kuan Yew was elected as Prime Minister of Singapore.Singaporesource
- 1959June 3 – Singapore becomes a self-governing crown colony of Britain with Lee Kuan Yew as Prime Minister.source
- 1959June 23 – Seán Lemass becomes the third Taoiseach of Ireland.source
- 1959August 19 – The Central Treaty Organization (CENTO) is established.source
- 1959August 19 – The Baghdad Pact, which had been kicked out of Baghdad after Iraq withdrew from the alliance, changed its name to the CENTO, the Central Treaty Organization, with the United Kingdom, Turkey, Pakistan and Iran.Iraqsource
- 195919 August – The 1959 General Elections was held for the first time since independence on 31 August 1957.Malayasource
- 1959August 30 – 1959 South Vietnamese legislative election: South Vietnamese opposition figure Phan Quang Dan is elected to the National Assembly despite soldiers being bussed in to vote for President Ngo Dinh Diem's candidate.source
- 1959September 15–28 – USSR Premier Nikita Khrushchev and his wife tour the United States, at the invitation of U.S. President Dwight D. Eisenhower.source
- 1959September 30 – Soviet Union leader Nikita Khrushchev meets Mao Zedong in Beijing.source
- 19593 November – Mapai leader David Ben-Gurion wins the fourth Israeli legislative elections, capturing 47 of the 120 seats, but still 13 short of a majority.Israelsource
- 1959November 20 – The Declaration of the Rights of the Child is adopted by the United Nations.source
- 1959December 1 – Cold War: Antarctic Treaty – 12 countries, including the United States and the Soviet Union, sign a landmark treaty that sets aside Antarctica as a scientific preserve and bans military activity on the continent (the first arms control agreement established during the Cold War).source
- 1959December 14 – Makarios III is selected as the first president of Cyprus.source
- 1959First step of elections to the Basic Democrat units in both parts of the country.Pakistansource
- 1960January 19 – A revised version of the Treaty of Mutual Cooperation and Security between the United States and Japan ("U.S.-Japan Security Treaty" or "Anpo (jōyaku)"), which allows U.S. troops to be based on Japanese soil, is signed in Washington, D.C. by Prime Minister Nobusuke Kishi and President Dwight D. Eisenhower. The new treaty is opposed by the massive Anpo protests in Japan.source
- 1960February 13 – Gerboise Bleue: France tests its first atomic bomb, in the Sahara Desert of Algeria.source
- 1960March 6 – The Canton of Geneva in Switzerland gives women the right to vote.source
- 1960April 21 – In Brazil, the country's capital (Federal District) is relocated from the city of Rio de Janeiro to the new city, Brasília, in the highlands. The former Federal District, in which the city of Rio de Janeiro was situated, becomes the State of Guanabara.source
- 196024 April - 1960 Laotian parliamentary electionLaossource
- 1960April 27 – Togo gains independence from France, with the French-administered United Nations Trust Territory being terminated.source
- 1960May 6 – United States President Dwight D. Eisenhower signs the Civil Rights Act of 1960 into law.source
- 1960June 20 – The short-lived Mali Federation, consisting of the Sudanese Republic (modern-day Republic of Mali) and Senegal, gains independence from France.source
- 1960June 24 – Joseph Kasa-Vubu is elected as the first President of the independent Democratic Republic of the Congo.source
- 1960June 26 – The State of Somaliland (the former British Somaliland protectorate) receives its independence from the United Kingdom. Five days later, it unites as scheduled with the Trust Territory of Somalia (the former Italian Somaliland), to form the Somali Republic.source
- 1960June 30 – The Belgian Congo receives its independence from Belgium, as the Republic of the Congo (Léopoldville). A civil war follows shortly.source
- 1960July 1 – The Trust Territory of Somaliland (the former Italian Somaliland) gains its independence from Italy. Concurrently, it unites as scheduled with the five-day-old State of Somaliland (the former British Somaliland) to form the Somali Republic.source
- 1960July 1 - Italian Somaliland gained its independence from Italy, five days after British Somaliland, and merged into the Somali Republic. Aden Abdullah Othman, leader of the Italian Somaliland legislature, was elected president, and Abdirashid Ali Shermake became prime minister.Somaliasource
- 1960July 10 - The Eritrean Liberation Front was founded, with the goal of liberating Eritrea from the rule of Ethiopia.Ethiopiasource
- 1960July 11 – Congo Crisis: Moise Tshombe declares the Congolese province of Katanga independent. He requests and receives help from Belgium.source
- 1960July 11 - Moise Tshombe declared the Congolese province of Katanga independent, and, taking advantage of the Congo's dismissal of Belgian officers from the Congolese Army, asked for military aid from Belgium. The Congo's prime minister Patrice Lumumba asked the United Nations to intervene in the crisis.Democratic Republic of the Congosource
- 1960July 20 – Ceylon elects Mrs. Sirimavo Bandaranaike as its Prime Minister, the world's first elected female head of government (she takes office the following day).source
- 196031 July – The House of Representatives was elected, with a victory for the Patriotic Front, which gained 30 seats. Of the 50 seats, Greek Cypriots won 35 and Turkish Cypriots won 15.Cyprussource
- 1960July 1960 - Adesoji Aderemi became 1st African to be appointed governor in the CommonwealthNigeriasource
- 1960August 6 – In the Republic of the Congo (Léopoldville) (later the Democratic Republic of the Congo), Albert Kalonji declares the independence of the Autonomous State of South Kasai.source
- 1960August 20 – Senegal breaks away from the Mali Federation, declaring its independence.source
- 1960September 2 – The first elections of the Parliament of the Central Tibetan Administration (in exile in India) are held. The Tibetan community observes this date as Democracy Day.source
- 1960September 5 – Poet Léopold Sédar Senghor is the first elected President of Senegal.source
- 196019 September – Pakistan and India sign the Indus Waters Treaty, brokered by the World Bank.Pakistansource
- 1960October 1 – Nigeria becomes independent from the United Kingdom, and Nnamdi Azikiwe becomes its first native-born Governor General.source
- 1960November 8 – 1960 United States presidential election: In a close race, Democratic U. S. Senator John F. Kennedy is elected over Republican U. S. Vice President Richard Nixon, to become (at 43) the second youngest man to serve as President of the United States, and the youngest man elected to this position.source
- 1960November 22 – The United Nations supports the government of Joseph Kasavubu and Joseph Mobutu in the Republic of the Congo.source
- 1960November 26 – 1960 New Zealand general election: The National Party defeats the governing Labour Party after only three years in office. National leader Keith Holyoake becomes Prime Minister of New Zealand for a second time.source
- 1960December 4 - The Islamic Republic of Mauritania had applied to be the 100th member of the United Nations, but the request was vetoed in the Security Council by the Soviet Union, on grounds that Mongolia had been denied admission.Mauritaniasource
- 1960December 13 – The countries of El Salvador, Guatemala, Honduras, and Nicaragua announce the formation of the Central American Common Market.source
- 1960December 14 – Antoine Gizenga proclaims in the Democratic Republic of the Congo that he has taken over as the country's premier.source
- 1960December 15 – King Mahendra of Nepal deposes the democratic government in his country and takes direct control himself.source
- 1960December 16 – Secretary of State Christian Herter announces that the United States will commit five nuclear submarines and eighty Polaris missiles to the defense of the NATO countries by the end of 1963.source
- 1961January 3 – United States President Dwight D. Eisenhower announces that the United States has severed diplomatic and consular relations with Cuba (Cuba–United States relations are restored in 2015).source
- 1961January 5 – After the 1960 military coup, General Cemal Gürsel forms the new government of Turkey (25th government).source
- 1961January 7 – Following a four-day conference in Casablanca, five African chiefs of state announce plans for a NATO-type African organization to ensure common defense. The Charter of Casablanca involves the Casablanca Group: Morocco, the United Arab Republic, Ghana, Guinea, and Mali.source
- 1961January 17 – President Dwight Eisenhower gives his final State of the Union Address to Congress. In a Farewell Address the same day, he warns of the increasing power of a "military–industrial complex."source
- 1961January 20 – John F. Kennedy is inaugurated as the 35th President of the United States, becoming the second-youngest president to be sworn in.source
- 1961January 25 – Acting to halt 'leftist excesses', a junta composed of two army officers and four civilians takes over El Salvador, ousting another junta that had ruled for three months.source
- 1961January 30 – President John F. Kennedy delivers his first State of the Union Address.source
- 1961February 15 – United States President John F. Kennedy warns the Soviet Union to avoid interfering with the United Nations' pacification of the Congo.source
- 196127 February – The border between Romania and the Soviet Union is agreed, including passing Snake Island to the Ukrainian Soviet Socialist Republic.Romaniasource
- 1961February 1961 - British Cameroons referendumNigeriasource
- 1961March 13 – United States President John F. Kennedy proposes a long-term "Alliance for Progress", between the United States and Latin America.source
- 1961March 29 – The Twenty-third Amendment to the United States Constitution is ratified, allowing residents of Washington, D.C. to vote in presidential elections.source
- 196129 March - 1960-61 Balkans Cup: Albania defeats Bulgaria 2-0 at Selman Stërmasi Stadium, TiranaAlbaniasource
- 1961April 12 – Albert Kalonji takes the title Emperor Albert I Kalonji of South Kasai.source
- 1961April 18: The Vienna Convention on Diplomatic Relations is signed.Austriasource
- 1961April 27 - Sierra Leone gains its independence from Britain as a Commonwealth realm with Queen Elizabeth II as Queen of Sierra Leone.Sierra Leonesource
- 19616 May – Constitution Commission, appointed by President Ayub Khan, presents its report, specifying pinpoints the failures of parliamentary government in Pakistan.Pakistansource
- 1961May 27 – Tunku Abdul Rahman, Prime Minister of Malaya, holds a press conference in Singapore, announcing his idea to form the Federation of Malaysia, comprising Malaya, Singapore, Sarawak, Brunei and North Borneo (Sabah).source
- 1961June 4 – Vienna summit: John F. Kennedy and Nikita Khrushchev meet during two days in Vienna. They discuss nuclear tests, disarmament and Germany.source
- 1961June 17 – The New Democratic Party of Canada is founded, with the merger of the Cooperative Commonwealth Federation (CCF) and the Canadian Labour Congress.source
- 1961June 25 – Iraqi president Abd al-Karim Qasim announces his intention to annex newly independent Kuwait (such an annexation will occur in 1990).source
- 1961July 11 - Sino-North Korean Mutual Aid and Cooperation Friendship TreatyNorth Koreasource
- 1961August 25 – João Goulart replaces Jânio Quadros as President of Brazil (he is ousted in 1964).source
- 1961October 1 – Unification Day (Cameroon): The formerly British Southern Cameroons gains independence from the United Kingdom by vote of the UN General Assembly and joins with formerly French Cameroun to form the Federal Republic of Cameroon.source
- 1961November 24 – The World Food Programme (WFP) is formed as a temporary United Nations program.source
- 1961December 1 – Netherlands New Guinea raises the new Morning Star flag, and changes its name to West Papua.source
- 1961December 2 – Cold War: In a nationally broadcast speech, Cuban leader Fidel Castro announces he is a Marxist–Leninist, and that Cuba will adopt socialism.source
- 1961December 9 – 1961 Australian federal election: Robert Menzies' Liberal/Country Coalition Government is re-elected with a one-seat majority, narrowly defeating the Labor Party led by Arthur Calwell. One of the closest election results in Australian history, such a result will not be replicated again until 2016. Notably, former Prime Minister Earle Page loses his seat, although he dies a few days later, never knowing the result.source
- 1961December 9 – Tanganyika gains independence from the United Kingdom as a Commonwealth realm, with Julius Nyerere as its first Prime Minister, with Queen Elizabeth II as Queen of Tanganyika, and represented locally by the Governor-General of Tanganyika.source
- 1961December 10 – Albania–Soviet relations: The Soviet Union severs diplomatic relations with Albania.source
- 1961December 18 – 1961 Indian annexation of Goa: India opens hostilities in its annexation of Portuguese India, the colonies of Goa, Damao and Diu.source
- 1961Ahmad Lozi elected to the House of Representatives for the district of Amman.Jordansource
- 1961Kuwaiti Premier League was formed.Kuwaitsource
- 1962January 13 – Albania allies itself with the People's Republic of China.source
- 1962February 15 – Urho Kekkonen is re-elected president of Finland.source
- 1962March 1 – President Ayub Khan promulgates a constitution which sought to reinforce his authority in the absence of martial law.Pakistansource
- 1962March 8–12 – In Geneva, France and the Algerian FLN begin negotiations.source
- 1962March 18 – Évian Accords: France and Algeria sign an agreement in Évian-les-Bains, ending the Algerian War.source
- 1962March 23 – The Scandinavian States of the Nordic Council sign the Helsinki Convention on Nordic Co-operation.source
- 1962April 3 – Jawaharlal Nehru is elected de facto Prime Minister of India, for the fourth time.source
- 1962April 8 – In France, the Évian Accords are adopted in a referendum, with a majority of 90%.source
- 1962May 6 – Antonio Segni is elected President of the Italian Republic.source
- 1962May 31 – The British West Indies Federation is officially wound up (under terms of the U.K. West Indies Act of 18 April) due to internal dissention.source
- 19622 June – A law is passed encouraging foreign direct investment in Luxembourg by giving the government the power to grant tax breaks for foreign firms making capital investment.Luxembourgsource
- 1962June 15 – Students for a Democratic Society in the United States complete the Port Huron Statement.source
- 1962June 17 – The OAS signs a truce with the FLN in Algeria, but a day later announces that it will continue the fight on behalf of French Algerians.source
- 196221 June - 1961-63 Balkans Cup: Albania ties with Bulgaria 0-0 at Selman Stërmasi Stadium, TiranaAlbaniasource
- 1962June 25 – İsmet İnönü of the CHP forms the new government of Turkey (27th government, coalition partners; YTP and CKMP).source
- 1962July 1 – 1962 Algerian independence referendum in French Algeria: Supporters of Algerian independence win a 99% majority in a referendum.source
- 19621 July: the Algerian Évian Accords referendum, 1962Algeriasource
- 1962July 1 - Rwanda gains its independence from Belgium.Rwandasource
- 196223 July - The International Agreement on the Neutrality of Laos is signed.Laossource
- 1962July 25 – The International Agreement on the Neutrality of Laos is signed in Geneva.source
- 1962July 31 – Algeria proclaims independence; Ahmed Ben Bella is the first President.source
- 1962August 15 – The New York Agreement is signed, transferring the Dutch West New Guinea colony to Indonesia.source
- 1962August 31 – The Caribbean island nation of Trinidad and Tobago becomes fully independent of the United Kingdom's British Empire.source
- 1962September 1 – A referendum in Singapore supports the Malayan Federation.source
- 1962October 5 – The French National Assembly censures the proposed referendum to sanction presidential elections by popular mandate; Prime Minister Georges Pompidou resigns, but President de Gaulle asks him to stay in office.source
- 1962November 30 – The United Nations General Assembly elects U Thant of Burma, as the new Secretary-General of the United Nations.source
- 1962Slavery in Saudi Arabia is abolished.source
- 1962December 7 – Rainier III, Prince of Monaco revises the principality's constitution, devolving some of his formerly autocratic power to several advisory and legislative councils.source
- 1962December 9 – Tanganyika (modern-day Tanzania) becomes a republic within the Commonwealth of Nations, with Julius Nyerere as president.source
- 1962December 19 – Britain acknowledges the right of Nyasaland (modern-day Malawi) to secede from the Central African Federation.source
- 19621962 North Korean parliamentary electionNorth Koreasource
- 1962Park Chung-hee became president of the country.South Koreasource
- 1963January 19 – Soviet spy Gheorghe Pintilie is removed from his position as Deputy Interior Minister of the Romanian People's Republic, as a step in ensuring Romania's political independence; the Workers' Party Politburo discusses way of neutralizing "Soviet intelligence networks [...] which Gheorghe Pintilie had coordinated."source
- 1963February 5 – The European Court of Justice's ruling in Van Gend en Loos v Nederlandse Administratie der Belastingen establishes the principle of direct effect, one of the basic tenets of European Union law.source
- 1963February 27 – Juan Bosch takes office as the 41st president of the Dominican Republic.source
- 19632 March – The Sino-Pakistan Agreement is signed, resolving border disputes between the two countries in Kashmir.Pakistansource
- 196325 March – Terence O'Neill succeeds Viscount Brookeborough as Prime Minister of Northern Ireland.Northern Irelandsource
- 1963March 30 – Indigenous Australians are legally allowed to drink alcohol in New South Wales.source
- 1963April 7 – Yugoslavia is proclaimed to be a socialist republic, and Josip Broz Tito is named President for Life.source
- 1963April 22 – Lester Bowles Pearson becomes the 14th Prime Minister of Canada.source
- 1963April 28 – 1963 general election is held in Italy.source
- 1963June 26 – David Ben-Gurion is replaced by Levi Eshkol as prime minister of Israel.source
- 196326 June – Levi Eshkol is elected Prime Minister of Israel. The 11th Government is approved that day and the members are sworn in.Israelsource
- 1963July 30 – The Soviet newspaper Izvestia reports that British diplomat and double agent Kim Philby has been given asylum in Moscow.source
- 1963August 5 – The United States, United Kingdom and Soviet Union sign the Partial Nuclear Test Ban Treaty.source
- 1963August 30 – The Moscow–Washington hotline (a direct teleprinter link) is inaugurated by U.S. President John F. Kennedy.source
- 1963September 1 – Establishment of language areas and facilities in Belgium comes into effect. This will become the foundation for further state reform in Belgium.source
- 1963September 16 – Malaysia is formed through the merging of the Federation of Malaya and the British crown colony of Singapore, North Borneo (renamed Sabah) and Sarawak.source
- 196316 September – The Federation of Malaysia was formed through the merging of the Federation of Malaya and the British crown colonies of North Borneo, Sarawak and Singapore.Malaysiasource
- 196316 September – Malaysia is formed from Malaya, Sabah, Sarawak and Singapore.Singaporesource
- 1963September 24 – The United States Senate ratifies the Partial Nuclear Test Ban Treaty.source
- 19631 October 1963 - the former Governor-General Nnamdi Azikiwe became the first President of Nigeria.Nigeriasource
- 1963October 2 – Nigeria becomes a republic; The 1st Republican Constitution is established.source
- 1963October 2 – The Presidential Commission on the Status of Women in the United States issues its final reports to President Kennedy.source
- 1963October 10 – Partial Nuclear Test Ban Treaty, signed on August 5, takes effect.source
- 1963October 16 – Ludwig Erhard replaces Konrad Adenauer as Chancellor of West Germany.source
- 196317 October - 1963–64 Balkans Cup: Albania defeats Turkey 2-0 at Selman Stërmasi Stadium, TiranaAlbaniasource
- 1963October 19 – Alec Douglas-Home succeeds Harold Macmillan as Prime Minister of the United Kingdom.source
- 1963November 12 – Angeles becomes a city in the province of Pampanga through ratification of Republic Act 3700.Philippinessource
- 1963November 25 – State funeral of John F. Kennedy: President Kennedy is buried at Arlington National Cemetery. Schools around the nation cancel classes that day; millions watch the funeral on live international television. Lee Harvey Oswald's funeral takes place on the same day.source
- 1963November 30 – 1963 Australian federal election: Robert Menzies' Liberal/Country Coalition Government is re-elected with an increased majority to an unprecedented eighth term in office, defeating the Labor Party led by Arthur Calwell. (This would be the final lower house election won by Menzies, who would retire from office during the term as the longest-serving Prime Minister in Australian history; he would be replaced by Harold Holt.)source
- 1963December 10 – Zanzibar gains independence from the United Kingdom, as a constitutional monarchy under Sultan Jamshid bin Abdullah.source
- 1963December 12 – Kenya gains independence from the United Kingdom, with Jomo Kenyatta as prime minister.source
- 1963December 31 – Federation of Rhodesia and Nyasaland dissolves.source
- 1964January 1 – The Federation of Rhodesia and Nyasaland is dissolved.source
- 1964January 22 – Kenneth Kaunda is inaugurated as the first Prime Minister of Northern Rhodesia.source
- 1964February 4 – The Government of the United States authorizes the Twenty-fourth Amendment to the United States Constitution, outlawing the poll tax.source
- 1964February 5 – India backs out of its promise to hold a plebiscite in the disputed territory of Kashmir. In 1948, India had taken the issue of Kashmir to the United Nations Security Council and offered to hold a plebiscite in the held Kashmir under UN supervision.source
- 1964March 6 – Constantine II becomes King of Greece, upon the death of his father King Paul.source
- 1964March 28 – King Saud of Saudi Arabia abdicates. His brother, Prince Faisal, does not officially assume the throne until November.source
- 19648 April - 1963–64 Balkans Cup: Albania ties with Bulgaria 1-1 at Selman Stërmasi Stadium, TiranaAlbaniasource
- 1964April 11 – The Brazilian Congress elects Field Marshal Humberto de Alencar Castelo Branco as President of Brazil.source
- 1964April 26 – Tanganyika and Zanzibar merge to form Tanzania.source
- 1964May 28 – The Charter of the Palestine Liberation Organization (PLO) is released by the Arab League.source
- 196431 May – General elections are held. President Paz Estenssoro is reelected two a second consecutive and third overall term.Boliviasource
- 1964June 21 – Spain beats the Soviet Union 2–1 to win the 1964 European Nations Cup.source
- 1964June 26 – Moise Tshombe returns to the Democratic Republic of the Congo from exile in Spain.source
- 1964July 2 – The United States Civil Rights Act of 1964 is enacted.source
- 1964July 2 – President Lyndon Johnson signs the Civil Rights Act of 1964 into law, abolishing racial segregation in the United States.United Statessource
- 1964July 20 – The National Movement of the Revolution is established in the Republic of the Congo, becoming the country's sole legal political party.source
- 196422 July – The heads of state of Iran, Pakistan and Turkey issue a joint communique from Istanbul, establishing the Regional Cooperation for Development (RCD).Pakistansource
- 1964August 24–27 – The Democratic National Convention in Atlantic City nominates incumbent President Lyndon B. Johnson for a full term, and U.S. Senator Hubert Humphrey of Minnesota as his running mate.source
- 1964October 1 – The Shinkansen high-speed rail system, the world's first such system, is inaugurated in Japan, for the first sector between Tokyo and Osaka.source
- 1964October 5 – Elizabeth II and The Duke of Edinburgh begin an 8-day visit to Canada.source
- 196410 October – Eleanor Roosevelt was commemorated on a Malaysian stamp.Malaysiasource
- 1964October 14–15 – Nikita Khrushchev is deposed as leader of the Soviet Union; Leonid Brezhnev and Alexei Kosygin assume power.source
- 1964October 15 – 1964 United Kingdom general election: The Labour Party wins a narrow victory over Sir Alec Douglas-Home's Conservative Party, which has been in power for 13 years. The new prime minister is Harold Wilson.source
- 1964October 22 – Canada: A Federal Multi-Party Parliamentary Committee selects a design to become the new official Flag of Canada.source
- 1964November 3 – 1964 United States presidential election: Incumbent President Lyndon B. Johnson defeats Republican challenger Barry Goldwater with over 60 percent of the popular vote.source
- 196411 November - Establishment of Mauritania–North Korea relations.North Koreasource
- 196412 November – Grand Duchesse Charlotte abdicates and is succeeded by her son, Jean.Luxembourgsource
- 1964December 1 – Gustavo Díaz Ordaz takes office as President of Mexico.source
- 1964December 5 – Australian Senate election, 1964: The Liberal/Country Coalition Government led by Prime Minister Robert Menzies hold their status quo, while the Labor Party led by Arthur Calwell lose one seat to the Democratic Labor Party, who hold the balance of power in the Senate alongside independent Reg Turnbull.source
- 1964December 12 – Jamhuri Day: Kenya becomes a republic, with Jomo Kenyatta as its first President.source
- 1964December 30 – The United Nations Conference on Trade and Development (UNCTAD) is established as a permanent organ of the UN General Assembly.source
- 1964December - the Nigerian parliamentary election starts and continues into 1965Nigeriasource
- 1964Prime Minister – Mohammad YusufAfghanistansource
- 19652 January – Incumbent Ayub Khan defeats Fatima Jinnah in the 1965 Pakistani presidential election.Pakistansource
- 1965January 20 – Lyndon B. Johnson is sworn in for a full term as President of the United States.source
- 1965February 12 – The African and Malagasy Common Organization (Organization Commune Africaine et Malgache; OCAM) is formed as successor to the Afro-Malagasy Union for Economic Cooperation (Union Africaine et Malgache de Cooperation Economique; UAMCE), formerly the African and Malagasy Union (Union Africaine et Malgache; UAM).source
- 1965February 18 – The Gambia becomes independent from the United Kingdom.source
- 1965February 20 – Suat Hayri Ürgüplü forms the new (interim) government of Turkey (29th government).source
- 19652 March – Luxembourg City is agreed to remain one of the seats of the European Union as part of the negotiations over the Merger Treaty.Luxembourgsource
- 1965March 17 – In response to the events of March 7 and 9 in Selma, Alabama, President Johnson sends a bill to Congress that forms the basis for the Voting Rights Act of 1965. It is passed by the Senate on May 26, the House on July 10, and signed into law by President Johnson on August 6.United Statessource
- 1965March 30 – The second ODECA charter, signed by Central American states on December 12, 1962, becomes effective.source
- 1965April 9 – The West German parliament extends the statute of limitations on Nazi war crimes.source
- 1965May 1 – Bob Askin replaces Jack Renshaw as Premier of New South Wales.source
- 1965June 22 – The Treaty on Basic Relations between Japan and the Republic of Korea is signed in Tokyo.source
- 196514 July – The Israeli left-wing political party Rafi is founded by David Ben-Gurion, who breaks with Mapai, the ruling party, and leads a breakaway group of eight members of the Knesset, including Moshe Dayan, Shimon Peres, Chaim Herzog, and Teddy Kollek, amongst others.Israelsource
- 1965July 15 – Greek Prime minister Georgios Papandreou and his government are dismissed by King Constantine II.source
- 196518 July - 1965 Laotian parliamentary electionLaossource
- 1965July 27 – Edward Heath becomes Leader of the British Conservative Party.source
- 1965August 6 – U.S. President Lyndon B. Johnson signs the Voting Rights Act into law, outlawing literacy tests and other discriminatory voting practices that have been responsible for widespread disfranchisement of African Americans.source
- 1965August 7 – Tunku Abdul Rahman, Prime Minister of Malaysia, recommends the expulsion of Singapore from the Federation of Malaysia following a deterioration of PAP–UMNO relations, negotiating its separation with Lee Kuan Yew, Prime Minister of Singapore.source
- 1965August 9 – Proclamation of Singapore: Singapore is expelled from the Federation of Malaysia, which recognises it as a sovereign nation. Lee Kuan Yew announces Singapore's independence and assumes the position of Prime Minister of the new island nation – a position he holds until 1990.source
- 1965September 9 – U.N. Secretary General U Thant negotiates with Pakistan President Ayub Khan.source
- 1965September 21 – Gambia, Maldives and Singapore are admitted as members of the United Nations.source
- 196521 September – Sultan Ismail Nasiruddin Shah of Terengganu was elected as the fourth Yang di-Pertuan AgongMalaysiasource
- 1965October 4 – Prime minister Ian Smith of Rhodesia and Arthur Bottomley of the Commonwealth of Nations begin negotiations in London.source
- 1965October 13 – Congo President Joseph Kasavubu fires Prime Minister Moise Tshombe and forms a provisional government, with Évariste Kimba in a leading position.source
- 1965October 27 – Brazilian president Humberto de Alencar Castelo Branco removes power from parliament, legal courts and opposition parties.source
- 1965November 9 – Ferdinand Marcos is elected president during the presidential elections.Philippinessource
- 1965November 11 – In Rhodesia (modern-day Zimbabwe), the white-minority government of Ian Smith unilaterally declares de facto independence ('UDI').source
- 1965November 22 – The United Nations Development Programme (UNDP) is established as a specialized agency of the United Nations.source
- 1965November 24 – Congolese lieutenant general Mobutu ousts Joseph Kasavubu and declares himself president.source
- 196526 November - 1964–66 Balkans Cup: Albania defeats Turkey 2–0 at Selman Stërmasi Stadium, TiranaAlbaniasource
- 1965December 5 – Charles de Gaulle is re-elected as French president with 10,828,421 votes.source
- 1965December 20 – The World Food Programme is made a permanent agency of the United Nations.source
- 196522 December – Constitutional Amendment Act is passed and Yusof bin Ishak becomes the first President of Singapore.Singaporesource
- 1965December 31 – Bokassa takes power in the Central African Republic.source
- 196610 January – Ayub Khan and Indian Prime Minister Lal Bahadur Shastri sign the Tashkent Declaration to resolve the Indo-Pakistani War of 1965.Pakistansource
- 1966January 21 – Italian Prime Minister Aldo Moro resigns due to a power struggle in his party.source
- 1966January 26 – 1966 Liberal Party of Australia leadership election: Harold Holt is elected leader of the Liberal Party of Australia unopposed when Sir Robert Menzies retires after an unprecedented 16 years in office; consequently Holt becomes Prime Minister of Australia six days later.source
- 1966January 27 – Britain's Labour Party unexpectedly retains the parliamentary seat of Hull North in a by-election, with a swing of 4.5% to their candidate from the opposition Conservatives, and a majority up from 1,181 at the 1964 General Election to 5,351.source
- 196629 January – The Luxembourg Compromise is reached to resolve an impasse in the European Union.Luxembourgsource
- 1966February 1 – Around 2,600 political prisoners are released by East Germany, in return for "donations" worth approximately $10,000 a head from West Germany.source
- 1966February 7 – Lyndon B. Johnson of the United States and Nguyễn Cao Kỳ of South Vietnam convene with other officials in a summit in Honolulu, Hawaii to discuss the course of the Vietnam War.source
- 196615 February – President of South Korea Park Chung-hee visited Taiwan.Taiwansource
- 1966February 20 – While Soviet author and translator Valery Tarsis is abroad, the Soviet Union negates his citizenship.source
- 1966March 11 – Transition to the New Order in Indonesia: President Sukarno gives all executive powers to General Suharto by signing the Supersemar order.source
- 1966March 31 – The British Labour Party led by Harold Wilson wins the 1966 United Kingdom general election, gaining a 96-seat majority (compared with a single seat majority when the election was called on February 28).source
- 1966April 26 – A new government is formed in the Republic of the Congo, led by Ambroise Noumazalaye.source
- 1966May 28 – The Indonesian and Malaysian governments declare that the Indonesia–Malaysia confrontation is over (a treaty is signed on August 11).source
- 196628 May – The Malaysian and Indonesian governments declared that the confrontation was over. The peace treaty was signed in Bangkok, Thailand.Malaysiasource
- 1966June 2 – Joaquín Balaguer is elected president of the Dominican Republic.source
- 1966June 18 – CIA chief William Raborn resigns; Richard Helms becomes his successor.source
- 1966July 1 – Joaquín Balaguer becomes president of the Dominican Republic.source
- 1966July 4 – Philippine Republic DayPhilippinessource
- 196610 July - 1966 Albanian parliamentary electionAlbaniasource
- 1966July 14 – Gwynfor Evans, President of Plaid Cymru, the Welsh nationalist party, becomes Member of the United Kingdom Parliament for Carmarthen, taking the previously Labour-held Welsh seat at a by-election with a majority of 2,435 on an 18% swing and giving his party its first representation at Westminster in its forty-one year history.source
- 1966July 26 – Lord Gardiner issues the Practice Statement in the House of Lords of the United Kingdom, stating that the House, when acting in a judicial capacity, is not bound to follow its own previous precedent.source
- 1966August 11 – Indonesia and Malaysia issue a joint peace declaration, formally ending the Indonesia–Malaysia confrontation which began in 1963.source
- 196623 August – The sea curfew is lifted after the end of Confrontation, a decision widely applauded by villagers.Singaporesource
- 1966August 30 – France offers independence to French Somaliland (Djibouti from 1977).source
- 1966September 12 – B. J. Vorster becomes the new Prime Minister of South Africa.source
- 1966September 30 – The Bechuanaland Protectorate in Africa achieves independence from the United Kingdom as Botswana, with Seretse Khama as its first President.source
- 1966October 4 – Basutoland becomes independent of the United Kingdom and takes the name Lesotho.source
- 1966November 10 – Seán Lemass retires as Taoiseach of the Republic of Ireland, to be replaced in the role by fellow Fianna Fáil member Jack Lynch.source
- 1966November 26 – 1966 Australian federal election: Harold Holt's Liberal/Country Coalition government is re-elected with a significantly increased majority, defeating the Labor Party led by Arthur Calwell. Calwell resigns as Labor leader shortly after; he will be replaced by his deputy and future Prime Minister Gough Whitlam.source
- 1966December 16 – The International Covenant on Economic, Social and Cultural Rights and the International Covenant on Civil and Political Rights are adopted by the General Assembly, as Resolution 2200 A (XXI).source
- 1966December 19 - South Vietnam becomes one of the founding members of the Asian Development Bank.Vietnamsource
- 1966December 31 – East German Premier Walter Ulbricht discusses negotiations about German reunification.source
- 19671 January - 1967 Laotian parliamentary electionLaossource
- 19673 January – The coalition agreement between the CSV and LSAP is renewed and a cabinet reshuffle performed. Madeleine Frieden-Kinnen becomes the first woman in the cabinet.Luxembourgsource
- 1967January 23 – Milton Keynes in England is founded as a new town by Order in Council, with a planning brief to become a city of 250,000 people. Its initial designated area encloses three existing towns and twenty one villages. The area to be developed is largely farmland, with evidence of permanent settlement dating back to the Bronze Age.source
- 1967January 27 – The United States, Soviet Union and United Kingdom sign the Outer Space Treaty (ratified by USSR May 19; comes into force October 10), prohibiting weapons of mass destruction from space.source
- 1967February 10 – The Twenty-fifth Amendment to the United States Constitution (presidential succession and disability) is ratified.source
- 1967February 22 – Donald Sangster becomes the new prime minister of Jamaica, succeeding Alexander Bustamante.source
- 1967February 22 – Suharto takes power from Sukarno in Indonesia (see Transition to the New Order and Supersemar).source
- 1967February 23 – The Twenty-fifth Amendment to the United States Constitution is enacted.source
- 1967February 24 – Moscow forbids its satellite states to form diplomatic relations with West Germany.source
- 1967March 14 – The body of U.S. President John F. Kennedy is moved to a permanent burial place at Arlington National Cemetery.source
- 1967May 6 – Zakir Husain is the first Muslim to become president of India.source
- 1967May 27 – The Australian referendum, 1967 passes with an overwhelming 90% support, removing, from the Australian Constitution, 2 discriminatory sentences referring to Indigenous Australians. It signifies Australia's first step in recognising Indigenous rights.source
- 1967May 30 – Biafra, in eastern Nigeria, announces its independence, which is not recognized.source
- 1967June 8 – Egypt severs diplomatic relations with the United States.source
- 19676-29- King Bhumibol Adulyadej and Queen Sirikit visits the United States for a second time.Thailandsource
- 1967July 1 – The EEC joins with the European Coal and Steel Community and the European Atomic Community, to form the European Communities (from the 1980s usually known as European Community [EC]).source
- 1967July 24 – During an official state visit to Canada, French President Charles de Gaulle declares to a crowd of over 100,000 in Montreal: Vive le Québec libre! (Long live free Quebec!). The statement, interpreted as support for Quebec independence, delights many Quebecers but angers the Canadian government and many English Canadians.source
- 1967August 8 – The Association of Southeast Asian Nations (ASEAN) is founded in Bangkok, Thailand.source
- 196726 August — 1966–67 Balkans Cup: Albania defeats Turkey 2-0 at Selman Stërmasi Stadium, TiranaAlbaniasource
- 1967August 30 – Thurgood Marshall is confirmed as Justice of the United States Supreme Court. He is the first African American to hold the position.source
- 19671 September – Bahasa Malaysia (Malay Language) became the National Language of Malaysia. The National Language Act 1967 was gazetted.Malaysiasource
- 1967September 10 – In a Gibraltar sovereignty referendum, only 44 voters out of 12,182 in the British Crown colony of Gibraltar support union with Spain.source
- 196719 September - Republic of Benin establishedNigeriasource
- 1967October 4 – Omar Ali Saifuddin III of Brunei abdicates in favour of his son, His Majesty Sultan Hassanal Bolkiah.source
- 1967October 14 – Quebec Nationalism: René Lévesque leaves the Liberal Party.source
- 1967October 25 – The Abortion Act 1967 passes in the British Parliament and receives royal assent two days later.source
- 1967November 22 – UN Security Council Resolution 242 is adopted by the UN Security Council, establishing a set of principles aimed at guiding negotiations for an Arab–Israeli peace settlement.source
- 1967November 25 – 1967 Australian Senate election: The Liberal/Country Coalition government led by Prime Minister Harold Holt lost two seats, while the Labor Party led by Gough Whitlam failed to make any gains. The Democratic Labor Party won the two seats from the Liberals and gained the sole balance of power in the Senate.source
- 1967November 30 – Zulfikar Ali Bhutto founds the Pakistan People's Party and becomes its first chairman. It has gone on to become one of Pakistan's major political parties (alongside the Pakistan Muslim League) that is broken into many factions, bearing the same name under different leaders, such as the Pakistan's Peoples Party Parliamentarians (PPPP).source
- 196730 November – The Pakistan People's Party is founded in Lahore, and Zulfikar Ali Bhutto is chosen as its chairman.Pakistansource
- 1967December 9 – Nicolae Ceaușescu becomes the Chairman of the Romanian State Council, making him the de facto leader of Romania.source
- 19671967 North Korean parliamentary electionNorth Koreasource
- 1968January 5 – Prague Spring: Alexander Dubček is chosen as leader of the Communist Party of Czechoslovakia.source
- 1968January 10 – John Gorton is sworn in as 19th Prime Minister of Australia, taking over from John McEwen after being elected leader of the Liberal Party the previous day, following the disappearance of Harold Holt. Gorton becomes the only Senator to become Prime Minister, though he immediately transfers to the House of Representatives through the 1968 Higgins by-election in Holt's vacant seat.source
- 1968January 31 – Nauru president Hammer DeRoburt declares independence from Australia, Britain and New Zealand.source
- 196825 February – Incumbent President Makarios III won the presidential elections with 96.3% of the vote. Voter turnout was 93.5%.Cyprussource
- 1968March 12 – Mauritius achieves independence from British rule.source
- 1968March 16 – U.S. Senator Robert F. Kennedy enters the race for the Democratic Party presidential nomination.source
- 196821 March — Rwanda signs the International Coffee Agreement of 1968.Rwandasource
- 196813 April – The PAP wins the 1968 General Election.Singaporesource
- 1968April 20 – Pierre Elliott Trudeau becomes the 15th Prime Minister of Canada.source
- 1968April 23 – President Mobutu releases captured mercenaries in the Congo.source
- 19682 June — 1967-68 Balkans Cup: Albania ties with Turkey 1-1 at Ankara 19 Mayıs Stadium, AnkaraAlbaniasource
- 1968June 23–30 – 1968 French legislative election: The Gaullist Union pour la défense de la République becomes the first party in French political history to obtain an absolute majority in the National Assembly. George Pompidou leads the party through the campaign but resigns as prime minister afterwards. The public unrest of May 68 subsides.source
- 1968June 26 – The Bonin Islands are returned to Japan after 23 years of occupation by the United States Navy.source
- 1968July 1 – The Nuclear Non-Proliferation Treaty opens for signature.source
- 1968September 6 – Swaziland (later known as Eswatini) becomes independent of the United Kingdom.source
- 1968September 27 – Marcelo Caetano becomes prime minister of Portugal.source
- 1968September 29 – A referendum in Greece gives more power to the military junta.source
- 19685 October – A law changing the criteria for eligibility to sit in the Chamber of Deputies is passed.Luxembourgsource
- 1968October 12 – Equatorial Guinea receives its independence from Spain.source
- 1968November 5 – Luis A. Ferré of the newly formed New Progressive Party is elected Governor of Puerto Rico by beating incumbent governor Roberto Sánchez Vilella of the People's Party, Luis Negrón López of the Popular Democratic Party and Antonio J. Gonzalez of the Puerto Rican Independence Party; he also becomes the first "statehooder" governor of the Island.source
- 1968November 5 – 1968 United States presidential election: Republican candidate Richard Nixon defeats the Democratic candidate, Vice President Hubert Humphrey, and American Independent Party candidate George Wallace.source
- 1968November 11 – A second republic is declared in the Maldives.source
- 1968December 23 - Crew of USS Pueblo released at Panmunjom.South Koreasource
- 1968December 26 – The CPP is founded under the guidance of Marxism-Leninism-Maoism by Joma Sison.Philippinessource
- 1968Sultan of Kedah: Sultan Abdul Halim Muadzam Shah (Deputy Yang di-Pertuan Agong)Malaysiasource
- 1969January 20 – Richard Nixon is sworn in as the 37th president of the United States of America.source
- 1969February 4 – In Cairo, Yasser Arafat is elected Palestine Liberation Organization leader at the Palestinian National Congress.source
- 1969March 17 – Golda Meir becomes the first female prime minister of Israel.source
- 1969March 25 - Ayub Khan resigns as President of Pakistan and transfers the power to Yahya Khan.source
- 1969March 30 – The body of former United States General and President Dwight D. Eisenhower is brought by caisson to the United States Capitol to lie in state in the Capitol Rotunda; Eisenhower had died two days earlier, after a long illness, in the Walter Reed Army Medical Center, Washington, D.C.source
- 1969April 28 – Charles de Gaulle steps down as president of France after suffering defeat in a referendum the day before.source
- 19697 May — 1969 Balkans Cup: Albania defeats Romania 2-0 at Selman Stërmasi Stadium, TiranaAlbaniasource
- 196916 May – The Yang di-Pertuan Agong, Sultan Ismail Nasiruddin Shah declared a state of emergency and dissolved parliament.Malaysiasource
- 1969May 26 – The Andean Pact (Andean Group) is established.source
- 1969June 8 – U.S. President Richard Nixon and South Vietnamese President Nguyễn Văn Thiệu meet at Midway Island. Nixon announces that 25,000 U.S. troops will be withdrawn by September.source
- 1969June 15 – Georges Pompidou is elected President of France.source
- 1969June 24 – The United Kingdom and Rhodesia sever diplomatic relations, after the Rhodesian constitutional referendum.source
- 1969July 7 – French is made equal to English throughout the Canadian national government.source
- 1969July 14 – The Act of Free Choice for West Irian commences in Merauke, Indonesia.source
- 1969August 2 – U.S. President Richard Nixon visits Romania, becoming the first incumbent U.S. president to visit a communist state since the start of the Cold War.source
- 1969September 28 – 1969 West German federal election: The Social Democrats, led by Vice Chancellor Willy Brandt, and the Free Democrats led by Walter Scheel, formed a coalition government with Brandt as Chancellor, after the Social Democrats severed their relationship with Chancellor Kurt Georg Kiesinger's Christian Democratic Union.source
- 1969October 1 – In Sweden, Olof Palme is elected Leader of the Social Democratic Worker's Party, replacing Tage Erlander as Prime Minister on October 14.source
- 1969October 21 – Willy Brandt becomes Chancellor of West Germany.source
- 1969October 25 – 1969 Australian federal election: John Gorton's Liberal/Country Coalition government is narrowly re-elected with a sharply reduced majority, defeating a resurgent Labor Party led by Gough Whitlam. Prime Minister Gorton survived a leadership challenge by his deputy William McMahon as well as David Fairbairn in the immediate aftermath of the election.source
- 1969November 3 – Süleyman Demirel of AP forms the new government of Turkey (31st government).source
- 1969November 11 – In the nationwide general elections held, incumbents Pres. Marcos and Vice Pres. Lopez are reelected in their respective positions, with the former as the first (and the last in electoral history) to win for a second full term as president in the presidential elections and the latter elected to a third full term as Vice President of the Philippines. The administration party, the Nacionalista Party, won 6 out of 8 seats in the Philippine Senate and 88 out of 110 seats in the House of Representatives.Philippinessource
- 1969November 17 – Cold War: Negotiators from the Soviet Union and the United States meet in Helsinki, to begin the SALT I negotiations aimed at limiting the number of strategic weapons on both sides.source
- 1969November 21 – U.S. President Richard Nixon and Japanese Premier Eisaku Satō agree in Washington, D.C. to the return of Okinawa to Japanese control in 1972. Under the terms of the agreement, the U.S. retains rights to military bases on the island, but they must be nuclear-free.source
- 19693 December – End of Korean DMZ ConflictNorth Koreasource
- 1969December 3 – End of Korean DMZ ConflictSouth Koreasource
- 196920 December – 1969 Republic of China National Assembly and legislative election.Taiwansource
- 1969December 27 – The Liberal Democratic Party wins 47.6% of the votes in the 1969 Japanese general election. Future prime ministers Yoshirō Mori and Tsutomu Hata and future kingmaker Ichirō Ozawa are elected for the first time.source
- 1969December – Prime Minister Pierre Werner presents the Werner Plan on economic and monetary union in the European Union.Luxembourgsource
- 1969International Convention on Civil Liability for Oil Pollution Damage, a maritime treaty, is adopted.source
- 196928-30 June - King Bhumibol Adulyadej welcomed and met US President Richard Nixon for a visit.Thailandsource
- 1970March 5 – The Nuclear Non-Proliferation Treaty goes into effect, after ratification by 56 nations.source
- 1970March 6 – Süleyman Demirel of AP forms the new government of Turkey (32nd government).source
- 1970March 19 – Ostpolitik: The leaders of West Germany and East Germany meet at a summit for the first time since Germany's division into two republics. West German Chancellor Willy Brandt is greeted by cheering East German crowds as he arrives in Erfurt for a summit with his counterpart, East German Ministerpräsident Willi Stoph.source
- 197015 April – 1970 Balkans Cup: Albania ties with Yugoslavia 1-1Albaniasource
- 197028 May - Luxembourg and Yugoslavia sign a treaty governing the migration of Yugoslavs to Luxembourg.Luxembourgsource
- 1970May 31 – The 1970 FIFA World Cup in association football is inaugurated in Mexico. Tactical substitutes are first permitted.source
- 19705 July – Eniaion won 15 of the 35 seats in parliament following parliamentary elections. However, AKEL receiving a far larger share of the vote.Cyprussource
- 1970September 4 – Chilean Socialist Senator Salvador Allende wins 36.2% of the vote in his run for presidency defeating former right-wing President Jorge Alessandri with 34.9% of the votes and Christian Democrat Radomiro Tomic with 27.8% of the votes.source
- 1970September 15 – King Hussein of Jordan forms a military government with Muhammad Daoud as the prime minister.source
- 1970September 22 – Tunku Abdul Rahman resigns as prime minister of Malaysia, and is succeeded by his deputy Tun Abdul Razak.source
- 197022 September – Tunku Abdul Rahman Putra Al-Haj resigned as prime minister.Malaysiasource
- 1970September 28 – Vice President Anwar Sadat is named temporary president of Egypt following the death of Gamal Abdel Nasser.source
- 1970October 6 – Bolivian President Alfredo Ovando Candía resigns; General Rogelio Miranda takes over but resigns soon after.source
- 1970October 7 – General Juan José Torres becomes the new President of Bolivia.source
- 1970October 9 - The Khmer Republic was formally declared as the government of Cambodia.Cambodiasource
- 1970October 13 – Saeb Salam forms a government in Lebanon.source
- 1970October 20 – New Egyptian president Anwar Sadat names Mahmoud Fawzi as his prime minister.source
- 1970October 24 – Salvador Allende is elected President of Chile by a run-off vote in the National Congresssource
- 1970October 28 – In Jordan, the government of Ahmad Toukan resigns; the next prime minister is Wasfi al-Tal.source
- 1970November 3 – Salvador Allende takes office as president of Chile.source
- 1970November 13 – Hafez al-Assad comes to power in Syria, following a military coup within the Ba'ath Party.source
- 1970November 19 – The six European Economic Community nation prime ministers meet in Munich to begin the new programme of European Political Cooperation (EPC), a unified foreign policy for a future European Union.source
- 1970November 21 – Syrian Prime Minister Hafez al-Assad forms a new government but retains the post of defense minister.source
- 1970November 21 – 1970 Australian Senate election: The Liberal/Country Coalition government led by Prime Minister John Gorton and the Labor Party led by Gough Whitlam each end up with 26 seats, both suffering a swing against them. The Democratic Labor Party wins an additional seat and holds the balance of power in the Senate. This is the last occasion on which a Senate election is held without an accompanying House of Representatives election.source
- 1970December 1 – Luis Echeverría becomes president of Mexico.source
- 1970December 7 – Pakistan's general elections are held.source
- 19707 December – 1970 Pakistani general election. Awami League gained majority and won the election.Pakistansource
- 197020 December – General Secretary of the Polish United Workers' Party, Władysław Gomułka, resigns, and is replaced by Edward Gierek.Polandsource
- 1970December 23 – Law 70-001 is enacted in the Democratic Republic of the Congo, amending article 4 of the constitution and making the country a one-party state.source
- 1970December 23 – The Bolivian government releases Régis Debray.source
- 1970December 27 – President of India V. V. Giri declares new elections.source
- 1970On 21 October, Barre declared Somalia a Socialist state run according to the principles of Scientific socialism, and banned diyya blood moneySomaliasource
- 1971January 5 – The first ever One Day International cricket match is played between Australia and England at the Melbourne Cricket Ground.source
- 1971January 19 – Representatives of 23 western oil companies begin negotiations with OPEC in Tehran to stabilize oil prices; February 14 they sign a treaty with 6 Arab states of the Persian Gulf.source
- 1971January 25 – Himachal Pradesh becomes the 18th Indian state.source
- 1971February 11 – The US, UK, USSR and others sign the Seabed Treaty, outlawing nuclear weapons on the ocean floor.source
- 1971February 16 – In Italy, a local parliament elects the city of Catanzaro as the capital of Calabria; residents of Reggio di Calabria riot for 5 days because of the decision.source
- 197120 February – Tuanku Abdul Halim Muadzam Shah of Kedah was installed as the fifth Yang di-Pertuan Agong.Malaysiasource
- 1971March 1 – Canadian John Robarts ends his term of office as the 17th Premier of Ontario.source
- 1971March 26 – Nihat Erim (a former CHP member) forms the new government of Turkey (33rd government, composed mostly of technocrats).source
- 1971March 27 – East Pakistan's independence is declared by army major (later president of Bangladesh) Ziaur Rahman from Kalurghat Radio Station.source
- 1971April 17 – The People's Republic of Bangladesh forms under Sheikh Mujibur Rahman at Mujibnagor.source
- 1971April 21 – Siaka Stevens is sworn in as the first president of Sierra Leone.source
- 1971April 27 – Presidential election, Park Chung-hee reelected.South Koreasource
- 1971May 9 – Arsenal FC beats Liverpool F.C. 2–1 to win the English FA Cup, thus completing the league and cup 'double'.source
- 197112 May - UEFA Euro 1972 qualifying: Albania ties with Poland 1-1 at Qemal Stafa Stadium, TiranaAlbaniasource
- 1971May 18 – The U.S. Congress formally votes to end funding for the American Supersonic Transport program.source
- 1971June 11 – Neville Bonner becomes the first Indigenous Australian to sit in the Australian Parliament.source
- 1971July 5 – Right to vote: The Twenty-sixth Amendment to the United States Constitution, formally certified by President Richard Nixon, lowers the voting age from 21 to 18.source
- 1971July 11 – The nationalization of all large copper mines in Chile is completed.source
- 1971July 14 – Libya severs its diplomatic ties with Morocco.source
- 1971July 15 – American President Richard Nixon announces his 1972 visit to China.source
- 1971August 30 – The Progressive Conservatives under Peter Lougheed defeat the Social Credit government under Harry E. Strom in a general election, ending 36 years of uninterrupted power for Social Credit in Alberta.source
- 19711 September: 1971 Syrian Federation of Arab Republics referendumSyriasource
- 1971September 2 – The United Arab Republic is renamed to the Arab Republic of Egyptsource
- 1971October 21 – U.S. President Richard Nixon nominates Lewis Franklin Powell Jr. and William H. Rehnquist to the U.S. Supreme Court.source
- 1971October 25 – The United Nations General Assembly admits the People's Republic of China and expels the Republic of China (or Taiwan).source
- 1971November 23 – The People's Republic of China takes the Republic of China's seat on the United Nations Security Council (see China and the United Nations).source
- 1971December 2 - Six of the emirates of the Trucial States form the United Arab Emirates.United Arab Emiratessource
- 19719 December – Chandpur and Daudkandi liberated.Bangladeshsource
- 1971December 11 – Nihat Erim forms the new government of Turkey (34th government; Nihat Erim has served two times as prime minister).source
- 197120 December – Yahya Khan resigns and Zulfikar Ali Bhutto becomes new president.Pakistansource
- 1971December 24 – Giovanni Leone is elected President of the Italian Republic.source
- 1971Greece resumed diplomatic relations with Albania.Greecesource
- 19721 January – Future President of Austria Kurt Waldheim becomes Secretary-General of the United Nations.Austriasource
- 19722 January - 1972 Laotian parliamentary electionLaossource
- 1972January 10 – Independence leader Sheikh Mujibur Rahman returns to Bangladesh after spending over nine months in prison in Pakistan.source
- 1972January 18 – Members of the Mukti Bahini lay down their arms to the government of the newly independent Bangladesh, 33 days after winning the war against the occupying Pakistan Army.source
- 1972January 19 – The Libertarian enclave Minerva on a platform in the South Pacific, sponsored by the Phoenix Foundation, declares independence. Soon neighboring Tonga annexes the area and dismantles the platform.source
- 1972January 21 – Tripura, part of the former independent Twipra Kingdom, becomes a full state of India.source
- 1972January 26 – The Aboriginal Tent Embassy is set up on the lawn of Parliament House in Canberra.source
- 1972February 9 - The seventh sheikhdom, Ras al-Khaimah, joins the United Arab Emirates.United Arab Emiratessource
- 1972February 15 – President of Ecuador José María Velasco Ibarra is deposed for the fourth time.source
- 1972February 21–28 – U.S. President Richard Nixon makes an unprecedented 8-day visit to the People's Republic of China and meets with Mao Zedong.source
- 1972March 4 – Libya and the Soviet Union sign a cooperation treaty.source
- 197217 March - Lon Nol proclaimed himself to be the first President of the Khmer Republic, an office that had been vacant for the first two years of the republic's existence.Cambodiasource
- 1972March 19 – India and Bangladesh sign the Indo-Bangladeshi Treaty of Friendship, Cooperation and Peace.source
- 1972March 22 – The 92nd U.S. Congress votes to send the proposed Equal Rights Amendment to the states for ratification.source
- 19724 April – The United States of America officially recognized Bangladesh.Bangladeshsource
- 19729 April – The Iraqi-Soviet Treaty of Friendship and Co-operation was signed in Baghdad, for a term of 15 years, after which the USSR supplied increased military aid to Iraq, as part of an agreement "to develop their cooperation in the matter of strengthening their defence capacity".Iraqsource
- 1972April 10 – The U.S. and the Soviet Union join some 70 nations in signing the Biological Weapons Convention, an agreement to ban biological warfare.source
- 1972April 13 – The Universal Postal Union decides to recognize the People's Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan.source
- 1972May 1 - Hutu rebels set up their own short-lived, "People's Republic of Martyazo", at the Bururi Province. The Tutsi-dominated Burundian Army ended the secession movement within two weeks, before beginning the slaughter of thousands of Hutus.Burundisource
- 1972May 7 – General elections are held in Italy.source
- 1972May 22 – Ferit Melen forms the new (interim) government of Turkey (35th government)source
- 1972May 22 – The Dominion of Ceylon becomes the republic of Sri Lanka under prime minister Sirimavo Bandaranaike, when its new constitution is ratified.source
- 1972May 26 – Richard Nixon and Leonid Brezhnev sign the SALT I treaty in Moscow, as well as the Anti-Ballistic Missile Treaty and other agreements.source
- 1972June 17 – Chilean president Salvador Allende forms a new government.source
- 1972June 18 – West Germany beats the Soviet Union 3–0 in the final to win Euro '72.source
- 1972July 4th North–South Korea Joint StatementNorth Koreasource
- 1972September 28 – The Canada men's national ice hockey team defeats the Soviet national ice hockey team in the eighth and final game of the 1972 Summit Series 6–5 to win the series 4–3–1.source
- 1972September 29 – China–Japan relations: The Joint Communiqué of the Government of Japan and the Government of the People's Republic of China is signed in Beijing, which normalizes Japanese diplomatic relations with the People's Republic of China after breaking official ties with the Republic of China (Taiwan).source
- 1972October 8 – A major breakthrough occurs in the Paris peace talks between Henry Kissinger and Lê Đức Thọ.source
- 1972October – In Somalia, the government of President Siad Barre formally introduces the Somali alphabet as the country's official writing script.source
- 1972December 2 – 1972 Australian federal election: The Labor Party led by Gough Whitlam defeats the Liberal/Country Coalition government led by Prime Minister William McMahon. Consequently, Whitlam becomes the first Labor Prime Minister of Australia since the defeat of Ben Chifley in 1949. Whitlam will be sworn in on December 5; his first action using executive power is to withdraw all Australian personnel from the Vietnam War. McMahon resigns from the Liberal leadership almost immediately; he will be replaced by outgoing Treasurer Billy Snedden.source
- 1972December 16 – The Constitution of Bangladesh comes into effect.source
- 1973January 17 – Ferdinand Marcos becomes President for Life of the Philippines.source
- 1973January 27 – U.S. involvement in the Vietnam War ends with the signing of the Paris Peace Accords.source
- 197318 February – Presidential elections were scheduled to be held but, as incumbent President Makarios III was the only candidate, the elections were not held and Makarios III was automatically declared the winner. A separate election for the vice president also took place. Rauf Denktaş stood unopposed and was elected.Cyprussource
- 197321 February - The Vientiane Treaty is signed.Laossource
- 1973February 28 – The Republic of Ireland general election is held. Liam Cosgrave becomes the new Taoiseach.source
- 1973March 20 – A British government White Paper on Northern Ireland proposes the re-establishment of an Assembly elected by proportional representation, with a possible All-Ireland council.source
- 1973March: The only legislative assembly election took placeCape Verdesource
- 1973April 5 – Fahri Korutürk becomes the sixth president of Turkey.source
- 1973April 10 – The Islamic Republic of Pakistan introduced its new constitution, its supreme law.source
- 1973April 15 – Naim Talu, a former civil servant, forms the new government of Turkey (36th government).source
- 1973May 10 – The Polisario Front, a Sahrawi movement dedicated to the independence of Spanish Sahara, is formed.source
- 1973May 25 – Héctor José Cámpora becomes democratic president of the Argentine Republic ending the 1966 to 1973 Revolución Argentina military dictatorship.source
- 197330 May – 1973 Balkans Cup: Albania defeats Romania 2-0 at Ruzhdi Bizhuta, ElbasanAlbaniasource
- 1973June 1 – The Greek military junta abolishes the monarchy and proclaims a republic.source
- 1973June 25 – Erskine Hamilton Childers is elected the 4th President of Ireland.source
- 1973June 28 – Elections are held for the Northern Ireland Assembly, which will lead to power-sharing between unionists and nationalists in Northern Ireland for the first time.source
- 1973July 10 – The Bahamas gains full independence within the Commonwealth of Nations.source
- 1973July 29: Republic referendum held. Abolition of monarchy confirmed.Greecesource
- 1973August 1 – Caribbean Community and Common Market (CARICOM) is inaugurated.source
- 197328 August: India, Pakistan and Bangladesh signed a trilateral agreement, termed the Delhi Agreement, allowing the repatriation of prisoners of war and interned officials held in the three countries after the 1971 Bangladesh Liberation War.Bangladeshsource
- 1973September 18 – The two German Republics, the Federal Republic of Germany (West Germany) and the German Democratic Republic (East Germany), are admitted to the United Nations.source
- 1973September 27 – Luís Cabral declares the independence of the Republic of Guinea-Bissau from the Estado Novo regime in Portugal. It is later granted in September 1974.source
- 1973October 10 – Spiro Agnew resigns as Vice President of the United States.source
- 197321 October – A peace declaration was signed between the Malaysian government and the North Kalimantan Communist Party (NKCP) at Simanggang, Sarawak. After the signing, the district and division of Simanggang were later renamed Sri Aman ("town of peace").Malaysiasource
- 1973October 25 – The Yom Kippur War ends.source
- 1973October 26 – The United Nations recognizes the independence of Guinea-Bissau.source
- 1973November 7 – The Congress of the United States overrides President Richard Nixon's veto of the War Powers Resolution, which limits presidential power to wage war without congressional approval.source
- 1973November 27 – The United States Senate votes 92–3 to confirm Gerald Ford as Vice President of the United States.source
- 1973December 1 – Papua New Guinea gains self-government from Australia.source
- 1973December 6 – The United States House of Representatives votes 387–35 to confirm Gerald Ford as Vice President of the United States; he is sworn in the same day.source
- 1973December – Chile breaks diplomatic contacts with Sweden.source
- 1973Hafez al-Assad met King Hussein.Jordansource
- 1974January 25 – Bülent Ecevit of CHP forms the new government of Turkey (37th government, partner MSP).source
- 1974January 31 – The South Vietnamese government and the Viet Cong announced that they would resume prisoner of war exchanges on February 8, after a suspension of seven months.source
- 1974February 1 – Kuala Lumpur, the capital of Malaysia, is declared a Federal Territory.source
- 1974February 28 – The British election ended in a hung parliament after the Jeremy Thorpe-led Liberal Party achieves its biggest vote.source
- 1974March 4 – Following a hung parliament in the United Kingdom general election, Conservative prime minister Edward Heath resigns and is succeeded by Labour's Harold Wilson, who previously led the country from 1964 to 1970.source
- 19746 March - 1974 Balkans Cup: Albania defeats Yugoslavia 2-1 at Dinamo Stadium, TiranaAlbaniasource
- 1974March 18 – In West Germany, the Bundestag passes the Bundes-Immissionsschutzgesetz ("Federal Emission Control Act").source
- 1974April 25: the Carnation Revolution took place in Portugal, the Estado Novo regime collapsed, Cape Verde became an autonomous provinceCape Verdesource
- 197428 April – by order of Haile Selassie asked Prime Minister Aklilu Habte-Wold to resign from office and instead installed liberal aristocrat Endelkachew Mekonnen as the new prime minister.Ethiopiasource
- 1974May 7 – West German chancellor Willy Brandt, resigns after four years in office.source
- 1974May 16 – Helmut Schmidt becomes the new Chancellor of West Germany.source
- 1974May 18 – 1974 Australian federal election: Gough Whitlam's Labor government is re-elected with a reduced majority, defeating the Liberal/Country Coalition led by Billy Snedden. Whitlam consequently becomes the first Labor Prime Minister to be re-elected in his own right. The Democratic Labor Party meanwhile loses all five of their Senate seats, effectively wiping them out as a political force.source
- 197428 May – Malaysia established diplomatic ties with the People's Republic of China. Prime Minister Tun Abdul Razak visited China for the first time and met Chairman Mao Zedong and Premier Zhou Enlai in Beijing.Malaysiasource
- 197415 June - A new government, under Gaston Thorn of the Democratic Party in coalition with the Luxembourg Socialist Workers' Party takes office. The Christian Social People's Party goes into opposition for the first time since its formation.Luxembourgsource
- 1974June 27 – The head of the Chilean Military Junta, Army General Augusto Pinochet, assumes the office of "Supreme Chief of the Nation". On December 17, via a Supreme Decree amendment, he will be formally designated President of Chile.source
- 1974July 23 – The Greek military junta is replaced by a civilian government, the metapolitefsi.source
- 1974August 8 – U.S. President Richard Nixon announces his resignation on August 8, effective at noon on August 9.source
- 1974August 9 – Vice President Gerald Ford becomes the 38th president of the United States upon Nixon's resignation.source
- 1974August 9 – Richard Nixon becomes the first president of the United States to resign from office, an action taken to avoid being removed by impeachment and conviction in response to his role in the Watergate scandal. Vice President Gerald R. Ford becomes the 38th president upon Nixon's resignation, taking the oath of office in the East Room of the White House.United Statessource
- 1974September 10 – The Portuguese military junta grants independence to Guinea-Bissau.source
- 1974October 11 – The UK Labour government of Harold Wilson wins the second general election of the year, forming a three-seat majority. Wilson, who has led the party for a total of 11 years, has now won four of the five general elections he has contested.source
- 1974November 5 – The Democratic Party makes big gains nationwide in House, Senate, and Gubernatorial elections.source
- 1974November 17 – The 1974 Greek legislative election, the first election since the fall of the Greek junta of 1967–1974, is held and the newly formed New Democracy party wins 220 of 300 seats in the Hellenic Parliament.source
- 197428 November – Third Amendment to the Constitution of Bangladesh was passed bringing changes in Article 2 of the constitution. An agreement was made between Bangladesh and India in respect of exchange of certain enclaves and fixation of boundary lines between the countries.Bangladeshsource
- 1974December 8 – 1974 Greek republic referendum: Greeks vote in a 2 to 1 margin to reject the monarchy, solidifying the country's republican form of government.source
- 19748 December: Republic referendum held, resulting in establishing a constitutional republic.Greecesource
- 1974December 9 – The Paris summit, reuniting the European Communities' heads of state and government, commences.source
- 1974December 13 – Malta becomes a republic.source
- 1974Three years after the secession of East Pakistan, Pakistan recognised Bangladesh.Pakistansource
- 1975January 15 – Alvor Agreement: Portugal announces that it will grant independence to Angola on November 11.source
- 197526 January - 1975 Thai general electionThailandsource
- 1975February 11 – Margaret Thatcher defeats Edward Heath for the leadership of the opposition UK Conservative Party. Thatcher, 49, is Britain's first female leader of any political party.source
- 197525 February: Establishment of Bangladesh Krishak Sramik Awami League (BAKSAL) led by Mujib as the single legitimate political party.Bangladeshsource
- 1975February 28 – In Lomé, Togo, the European Economic Community and 46 African, Caribbean and Pacific countries sign a financial and economic treaty, known as the first Lomé Convention.source
- 1975March 6 – Algiers Agreement: Iran and Iraq announce a settlement in their border dispute.source
- 1975March 6 - Iran and Iraq announced a settlement in their border dispute, at a meeting of the OPEC nations in Algiers. The Shah of Iran signed on behalf of his nation, while Iraq was represented by Saddam Hussein, an aide to President Ahmed Hassan al-Bakr and future President of Iraq. The meeting was overseen by Algerian President Houari Boumediene. Iraq agreed to drop claims to half of the Shatt al-Arab, while Iran agreed not to supply weapons to Kurdish separatists in northern Iraq.Iraqsource
- 1975April 19 - Two days after the fall of Phnom Penh, the new Khmer Rouge regime announced that all former government employees, including soldiers, military officers, and policemen, would be required to register with the new local authorities. Those who complied with the order were told that they would be sent for "reeducation" at a camp in Battambang on April 28.Cambodiasource
- 1975May 16 – Sikkim accedes to India after a referendum and abolishes the Chogyal, its monarchy.source
- 1975June 6 – The Georgetown Agreement, formally creating the ACP Group, is signed.source
- 1975June 11 – After a referendum and seven years of military rule, modern-day Greece is established as the Hellenic Republic.source
- 1975July 5 - Cape Verde gained independence after over 500 years of Portuguese rule. The National Assembly elected Aristides Pereira as President and Pedro Pires as Prime Minister.Cape Verdesource
- 1975July 21 – The Parliament of India votes to approve Prime Minister Indira Gandhi's declaration of a state of emergency, with a 301–76 vote in the lower house and a 147–32 vote in the upper house.source
- 1975August 1 – The Helsinki Accords, which officially recognize Europe's national borders and respect for human rights, are signed in Finland.source
- 1975September 16 – Cape Verde, Mozambique and São Tomé and Príncipe join the United Nations.source
- 1975October 30 – Juan Carlos I of Spain becomes acting head of state after General Francisco Franco concedes that he is too ill to govern. His death on November 20 effectively marks the end of the dictatorship established following the Spanish Civil War and the beginning of the Spanish transition to democracy.source
- 1975October 31 – Tun Mustapha resigns as Chief Minister of Sabah, a state in Malaysia, bringing to an end speculation that he would attempt to lead secession for Sabah to become an independent nation.source
- 1975November 9 - When Spain announced it will not fight for Western Sahara, Morocco's Green March was called off. Moroccan King Hassan II said, "Spain is not only a friendly country, it also is a neighborly and fraternal nation."Moroccosource
- 1975November 10 – The Treaty of Osimo is signed between Italy and Yugoslavia, resolving their dispute over Trieste. Under the agreement, a majority of the land area and residents go to Italy.source
- 1975November 11 – Australian constitutional crisis of 1975: Governor-General of Australia Sir John Kerr controversially dismisses the Whitlam Labor government and commissions Malcolm Fraser of the Liberal/National Country Coalition as caretaker Prime Minister.source
- 1975November 14 – Madrid Accords: Spain agrees to hand over power of the Spanish Sahara to Morocco and Mauritania by the end of February 1976.source
- 1975November 15 – The "Group of 6" industrialized nations (G-6) is formed and holds its 1st summit at the Château de Rambouillet in France.source
- 1975November 19 – The United States Congress approves the Clark Amendment, ending aid to the FNLA and UNITA.source
- 1975November 22 – Juan Carlos is declared King of Spain following the death of General Francisco Franco; he will reign until his abdication in 2014.source
- 1975November 25 – Suriname gains independence from the Kingdom of the Netherlands.source
- 1975November 28 – Portuguese Timor declares its independence from Portugal as East Timor.source
- 1975November 29 – 1975 New Zealand general election: The New Zealand National Party led by Robert Muldoon defeats the incumbent New Zealand Labour Party led by Prime Minister Bill Rowling.source
- 1975December 2 – In Laos, the Second Indochina War ends, when the communist party of the Pathet Lao takes over Vientiane and defeats the Kingdom of Laos, forcing King Sisavang Vatthana to abdicate and creating the Lao People's Democratic Republic. This ends the Laotian Civil War, with mass evacuation of American troops and Laotian civilians, but effectively begins the Insurgency in Laos with the Pathet Lao fighting the Hmong people, Royalist-in-exile and the Right-wings.source
- 1975December 2 – In Laos, the communist party of the Pathet Lao takes over Vientiane and defeats the Kingdom of Laos, forcing King Sisavang Vatthana to abdicate and creating the Lao People's Democratic Republic. This ends the Laotian Civil War, with mass evacuation of American troops and Laotian civilians, but effectively begins the Insurgency in Laos with the Pathet Lao fighting the Hmong people, Royalist-in-exile and the Right-wings. The Insurgency in Laos wouldn't end until March 30, 2022, when the last unorganized resistance against the Lao People's Army was finally put down.Laossource
- 1975December 13 – 1975 Australian federal election: The Liberal/National Country Coalition led by Malcolm Fraser defeats the recently dismissed Labor government led by Gough Whitlam. The Fraser government achieves what is so far the largest parliamentary majority in federal Australian political history. Whitlam would subsequently survive a leadership challenge against him.source
- 1975December 13 – The United Nations Convention on the Reduction of Statelessness (1961) comes into effect.source
- 1975Portuguesa FC win the 1975 Venezuelan Primera División season.Venezuelasource
- 1976January 2 – The International Covenant on Economic, Social and Cultural Rights enters into force.source
- 1976January 5 – The Pol Pot regime proclaims a new constitution for Democratic Kampuchea.source
- 1976January 5 - The government of Democratic Kampuchea was proclaimed and constituted as a Communist People's Republic, and a 250-member Assembly of the Representatives of the People of Kampuchea (PRA) was selected in March to choose the collective leadership of a State Presidium, the chairman of which became the head of state within the CPK, the Paris-educated leadership of Saloth Sâr (Pol Pot) was in control over Cambodia which had become Southeast Asia's secretive and most isolated totalitarian country from the rest of the world after North Korea which proceeded to implement the policy of Year Zero led by Angkar and its Khmer Rouge cadres, with these relationships were based on shared Marxist-Leninist and Maoist ideology, Democratic Kampuchea had very close ties with North Korea and China, while Burma (Myanmar) recognized the government.Cambodiasource
- 1976January 27 – The United States vetoes a United Nations resolution that calls for an independent Palestinian state.source
- 1976February 9 – The Australian Defence Force is formed by unification of the Australian Army, the Royal Australian Navy and the Royal Australian Air Force.source
- 1976February 16 - Henry Kissinger, Secretary of State of the United States, visits the country on an official diplomatic tour.Venezuelasource
- 1976February 27 – The Polisario Front, Western Sahara's national liberation movement, declares independence of the territory under the name "Sahrawi Arab Democratic Republic".source
- 197628 February – Yahya Petra of Kelantan was installed as the sixth Yang di-Pertuan Agong.Malaysiasource
- 1976March 4 – The Northern Ireland Constitutional Convention is formally dissolved in Northern Ireland, resulting in Direct rule over Northern Ireland by the Government of the United Kingdom in London.source
- 1976June 1 – The United Kingdom and Iceland end the Third Cod War, with the UK accepting Iceland's extension of its territorial waters to 200 nautical miles in exchange for defined fishing rights.source
- 1976June 2 – The Philippine government opens relations with the Soviet Union.source
- 1976June 12 – Alberto Demicheli, a jurist, is inaugurated as a civilian de facto President of Uruguay after Juan María Bordaberry is deposed by the military.source
- 1976June 27 – G-6 is renamed "Group of 7" (G-7) with the inclusion of Canada.source
- 1976July 2 – North Vietnam dissolves the Provisional Government of South Vietnam and unites the two countries to form the Socialist Republic of Vietnam.source
- 1976July 7 – David Steel becomes leader of the UK's Liberal Party in the aftermath of the scandal which forced out Jeremy Thorpe.source
- 1976July 17 – East Timor is declared the 27th province of Indonesia.source
- 1976July 26 – In Los Angeles, Ronald Reagan announces his choice of liberal U.S. Senator Richard Schweiker as his vice presidential running mate, in an effort to woo moderate Republican delegates away from President Gerald Ford.source
- 1976July 27 – The United Kingdom breaks diplomatic relations with its former colony Uganda in response to the hijacking of Air France Flight 139.source
- 1976August 14 – The Senegalese political party PAI-Rénovation is legally recognized, becoming the third legal party in the country.source
- 1976August 25 – Jacques Chirac resigns as Prime Minister of France; he is succeeded by Raymond Barre.source
- 19765 September – The Democratic Front won 21 of the 35 seats in the parliament following parliamentary elections. Voter turnout was 85.3%.Cyprussource
- 1976October 12 – The People's Republic of China announces that Hua Guofeng is the successor to Mao Zedong as Chairman of the Chinese Communist Party following the latter's death on September 9 from a heart attack.source
- 1976November 2 – 1976 United States presidential election: Jimmy Carter narrowly defeats incumbent Gerald Ford, becoming the first candidate from the Deep South to win since the Civil War.source
- 197619 November - General Zia took over the powers of Chief Martial Law Administrator, leaving President Sayem with only ceremonial function.Bangladeshsource
- 1976November 26 – The Warsaw Treaty Organization joint secretariat is established.source
- 1976December 1 – Sir Douglas Nicholls is appointed the 28th Governor of South Australia, the first Australian Aboriginal appointed to vice-regal office.source
- 1976December 1 – José López Portillo takes office as President of Mexico.source
- 1976December 3 – Patrick Hillery is sworn in after being elected unopposed as the 6th President of Ireland.source
- 1976December 8 – The Congressional Hispanic Caucus is established by the five Latinos in the United States Congress: Herman Badillo of the Bronx, E. de la Garza and Henry B. Gonzalez of Texas, Edward R. Roybal of California, and the nonvoting Resident Commissioner of Puerto Rico, Baltasar Corrada del Río.source
- 197628 December - promulgation of the Constitution of the People's Socialist Republic of Albania.Albaniasource
- 1976Henry Kissinger visits Afghanistan. He was the last US Secretary of State to visit the country until 2002 which is when Colin Powell visited the country.Afghanistansource
- 1976Five years after the secession of East Pakistan, Pakistan begins diplomatic relations with Bangladesh.Pakistansource
- 1977January 6 - The first anniversary of the establishment of Democratic Kampuchea as the totalitarian society since the Fall of Phnom Penh after the Cambodian Civil War had ended, China and North Korea provided a significant support to Angkar and the Khmer Rouge, with China as the main backer while North Korea became lesser extent by its diplomatic relations with a very strong support of Communist allies who learned the same lines with Marxist-Leninist ideology in the Far East.Cambodiasource
- 1977January 20 - Jimmy Carter is sworn in as the 39th President of the United States after defeating Gerald Ford in the 1976 election.source
- 1977February 2 – The Congress Party of India, led by Indira Gandhi, splits with Jagjivan Ram and other senior leaders, forming Congress for Democracy. This party later merges with the Janata Party.source
- 19777 March – Zulfikar Ali Bhutto's political party Pakistan Peoples Party (PPP) wins elections. PPP wins 155, PNA 35 seats out of 200. Soon afterwards riots erupt over allegations of vote-rigging by the PPP.Pakistansource
- 1977March 19 – Results of elections to the Indian Parliament are declared. Indira Gandhi's Congress Party is routed by the opposition Janata alliance.source
- 1977March 21 – Prime Minister Indira Gandhi withdraws the state of emergency which was implemented on June 25, 1975.source
- 1977April 9 – Spain legalizes the Communist Party of Spain, which had been outlawed since 1939.source
- 1977April 17 – Belgian prime minister Leo Tindemans' Christian Social Party gains eight seats in the lower house in parliamentary elections.source
- 1977May 12 – Portugal and Israel establish diplomatic relations.source
- 1977May 17 – The Likud Party, led by Menachem Begin, wins the national elections in Israel.source
- 1977June 15 – Spain has its first democratic elections, after 41 years of Francoist Spain.source
- 1977June 21 – Bülent Ecevit, of CHP forms the new government of Turkey (40th government since the founding of the Turkish republic, but fails to receive the vote of confidence).source
- 1977June 23 – Venezuela ratifies the American Convention on Human Rights.Venezuelasource
- 1977June 27 – Djibouti receives its independence from France.source
- 1977June 27 – Constitution for the Federation of Earth is adopted by the second session of the World Constituent Assembly, held at Innsbruck, Austria.source
- 1977June 30 – The Southeast Asia Treaty Organization is permanently disbanded.source
- 1977July 5 – General Muhammad Zia-ul-Haq overthrows Zulfikar Ali Bhutto, the first elected Prime Minister of Pakistan.source
- 197718 July - Laos signs a friendship treaty with Vietnam, providing for Vietnamese aid loans and reconstruction projects.Laossource
- 1977August 4 – U.S. president Jimmy Carter signs legislation creating the United States Department of Energy.source
- 1977August 9 – The military-controlled government of Uruguay announces that it will return the nation to civilian rule through general elections in 1981 for a president and Congress.source
- 1977August 26 – The National Assembly of Quebec passes the Charter of the French Language (Law 101, La charte de la langue française) making French the official language of the Canadian province of Quebec.source
- 1977September 7 – Torrijos-Carter treaties: Treaties between Panama and the United States on the status of the Panama Canal are signed. The U.S. agrees to transfer control of the canal to Panama at the end of the 20th century.source
- 1977October 7 – The Soviet Union adopts its third Constitution. The Soviet National Anthem's lyrics are returned after a 24-year period, with Joseph Stalin's name omitted.source
- 1977October 23 – The president of Catalonia, Josep Tarradellas, returns to Barcelona from exile and the autonomous government of Catalonia, the Generalitat, is restored.source
- 1977November 19 – Egyptian President Anwar Sadat becomes the first Arab leader to make an official visit to Israel, when he meets with Israeli prime minister Menachem Begin, seeking a permanent peace settlement.source
- 1977November – 1977 Greek legislative electionGreecesource
- 1977Libya officially leaves the Federation of Arab RepublicsLibyasource
- 1977The Israeli settlement of Beit El is established.Palestinesource
- 1977December 6 – South Africa grants independence to Bophuthatswana, although it is not recognized by any other country.source
- 1977December 10 – 1977 Australian federal election: Malcolm Fraser's Liberal/National Country Coalition government is re-elected with a slightly reduced majority, defeating the Labor Party led by former Prime Minister Gough Whitlam. Consequently, Whitlam resigns as ALP leader after holding the job for nearly 11 years; he is replaced by former treasurer Bill Hayden.source
- 1977December 20 – Djibouti and Vietnam join the United Nations.source
- 1977Bangladesh became an Associate member of the International Cricket CouncilBangladeshsource
- 1978January 5 – Bülent Ecevit, of CHP, forms the new government of Turkey (42nd government).source
- 1978January 22 – Ethiopia declares the ambassador of West Germany persona non grata.source
- 1978February 14 - Both leaders from North Korea and Communist China had sided with Cambodia to maintain its own independent standing within the "communist world" and to support its "revolutionary comrade-in-arms", with Kim Il Sung and Deng Xiaoping provided critical support to Angkar and the Khmer Rouge, as their motivations and the nature of their relationships with Pol Pot as "Brother Number One" that implemented an extremist form of Maoism, drawing direct inspiration from China's Great Leap Forward and the Cultural Revolution especially Red August to Cambodia's Super Great Leap Forward ("Moha Lout Plaoh").Cambodiasource
- 1978February 15 – Rhodesia, one of only two remaining white-ruled African nations (the other being South Africa), announces that it will accept multiracial democracy within 2 years.source
- 1978February 25 – The first Legislative Assembly election is held in Arunachal Pradesh, India.source
- 1978March 15 – Somalia and Ethiopia sign a truce to end the Ethio-Somali War.source
- 197822 April – Representing Luxembourg, Baccara finishes seventh in the Eurovision Song Contest 1978 with the song Parlez-vous français?.Luxembourgsource
- 1978April 30 – The "Democratic Republic of Afghanistan" is proclaimed, under pro-communist leader Nur Muhammad Taraki.source
- 1978May 22 – Exiled leaders Ahmed Abdallah and Muhammad Ahmad return to the Comoros.source
- 19783 June - Ziaur Rahman wins the presidential election and secures his position for a five-year term.Bangladeshsource
- 1978July 1 – Australia's Northern Territory is granted self-government.source
- 19781 July – Finland establishes diplomatic relations with Botswana.Finlandsource
- 1978Libya and India signs a memorandum of understanding to cooperate in peaceful applications of nuclear energy as part of India's Atom of Peace policy.Libyasource
- 1978September 5 – Camp David Accords: Hosted by U.S. President Jimmy Carter, Israel's Prime Minister Menachem Begin and Egypt's President Anwar Sadat met at Camp David in Maryland to discuss a peace agreement between the two nations.source
- 1978September 16 – General Muhammad Zia-ul-Haq officially assumes the post of President of Pakistan.source
- 1978September 17 – The Camp David Accords are signed between Israel and Egypt.source
- 197817 September – The Camp David Accords are signed between Israel and Egypt. The Accords lead directly to the 1979 Israel-Egypt Peace Treaty.Israelsource
- 1978September 20 – General Rahimuddin Khan assumes the post of martial law Governor of Balochistan.source
- 1978October 1 – Tuvalu becomes independent from the United Kingdom.source
- 1978October 7 – Wranslide in New South Wales: the Wran government is re-elected with an increased majority.source
- 1978October 9 – P.W. Botha succeeds John Vorster as Prime Minister of South Africa.source
- 1978October 10 – Daniel arap Moi becomes president of Kenya.source
- 1978October 10 – John Vorster becomes State President of South Africa.source
- 1978October 10 – United States President Jimmy Carter signs a bill that authorizes the minting of the Susan B. Anthony dollar.source
- 1978October 14 – U.S. President Jimmy Carter signs a bill into law which allows homebrewing of beer in the United States.source
- 1978October 18 – Thorbjörn Fälldin steps down as Prime Minister of Sweden, and is succeeded by Ola Ullsten, the Leader of the liberal People's Party ("Folkpartiet").source
- 1978October 27 – Egyptian President Anwar Sadat and Israeli Prime Minister Menachem Begin win the Nobel Peace Prize for their progress toward achieving a Middle East accord.source
- 1978December 6 – Spanish transition to democracy: The Spanish Constitution officially restores the country's democratic government.source
- 1978December 12 – 1978 South Korean legislative electionSouth Koreasource
- 1978December 16 – The Mystery of Mamo is released in cinemas in Japan.source
- 1978December 27 – The Constitution of Spain is approved in a referendum, officially ending 40 years of military dictatorship.source
- 1978The Tinkhundla governance system is established.Eswatinisource
- 1978Sultan of Pahang: Sultan Ahmad Shah (Deputy Yang di-Pertuan Agong)Malaysiasource
- 1979January 1 – The United States and the People's Republic of China establish full diplomatic relations.source
- 1979January 8 -The Socialist Republic of Vietnam and the dissident rebels declare an end to Democratic Kampuchea, replacing it with the People's Republic of Kampuchea (PRK), a Vietnamese puppet state. Heng Samrin was installed as the head of the new PRK government.Cambodiasource
- 1979January 28 – Deng Xiaoping arrives in Washington, D.C., for the first visit of a paramount leader of the People's Republic of China to the United States.source
- 1979February 18 – The Khomeini government in Iran cuts diplomatic relations with Israel.source
- 197918 February – Second National Parliamentary Elections were held. The result was a victory for the Bangladesh Nationalist Party, which won 207 of the 300 seats.Bangladeshsource
- 1979March 1 – Scottish devolution referendum: Scotland votes in favour of a Scottish Assembly, which is not implemented due to failing a condition that at least 40% of the electorate must support the proposal; in a Welsh devolution referendum, Wales votes against devolution.source
- 1979March 26 – In a ceremony at the White House, President Anwar Sadat of Egypt and Prime Minister Menachem Begin of Israel sign an Egypt–Israel peace treaty.source
- 197926 March – In a ceremony at the White House, President Anwar Sadat of Egypt and Prime Minister Menachem Begin of Israel sign a peace treaty. Egypt thus becomes the first Arab country to officially recognize Israel.Israelsource
- 1979March 28 – In Britain, James Callaghan's minority Labour government loses a motion of confidence by one vote, forcing a general election which is to be held on 3 May.source
- 1979March 31 – The last British soldier (belonging to the Royal Navy) leaves the Maltese Islands, after 179 years of presence. Malta declares its Freedom Day (Jum il-Helsien).source
- 1979the General People's Congress declares that the "vesting of power in the masses" and the "separation of the state from the revolution" is complete. The government is divided between the "Jamahiriya sector" and the "revolutionary sector". The "Jamahiriya sector" is composed of the General People's Congress, the General People's Committee, and the local Basic People's Congresses. Muammar Gaddafi relinquishes his position as general secretary of the General People's Congress, as which he was succeeded by Abdul Ati al-Obeidi, but remains supreme commander of the armed forces. The "Jamahiriya sector" is overseen by the "revolutionary sector", headed by Gaddafi as "Leader of the Revolution" .Libyasource
- 1979April 1 – Iran's government becomes an Islamic Republic by a 98% vote, overthrowing the Shah officially.source
- 1979May 1 – Greenland is granted limited autonomy from Denmark, with its own Parliament sitting in Nuuk.source
- 1979May 3 – The 1979 United Kingdom general election for the House of Commons takes place, giving the Conservatives a majority, and designating Margaret Thatcher the nation's first woman prime minister, ending the rule of James Callaghan's Labour government.source
- 19796 May – In the Austrian legislative election, the country's Socialist Party won a fourth consecutive term in government.Austriasource
- 1979June 1 – The first black-led government of Rhodesia in 90 years takes power, in succession to Ian Smith and under his power-sharing deal, in the unrecognized republic of Zimbabwe Rhodesia.source
- 1979June 4 – Following the "Muldergate" Information Scandal, John Vorster resigns as State President of South Africa.source
- 1979June 4 – Joe Clark becomes Canada's 16th and youngest Prime Minister.source
- 1979June 7 – 1979 European Parliament election: The first direct elections to the European Parliament begin, allowing citizens from across all nine (at this time) member states of the European Communities to elect 410 MEPs. It is also the first international election in history.source
- 1979June 18 – Jimmy Carter and Leonid Brezhnev sign the SALT II agreement in Vienna.source
- 1979July 16 – Iraqi President Hasan al-Bakr resigns and Vice President Saddam al-Tikriti, more commonly referred to in the Western press as "Saddam Hussein", assumes the presidency.source
- 1979July 21 – Nicaraguan Revolution: The Sandinista National Liberation Front concludes a successful revolutionary campaign against the Somoza dynasty and assumes power in Nicaragua.source
- 1979July 28 – Morarji Desai resigns as India's prime minister and Charan Singh succeeds him.source
- 1979August 5 – The Polisario Front signs a peace treaty with Mauritania. Mauritania withdraws from the Western Sahara territory it had occupied, and cedes it to the SADR.source
- 1979October 1 – Nigeria terminates military rule, and the Second Nigerian Republic is established.source
- 1979October 3 - Security chief Kim Jae-kyu meets democrat politician Kim Young-sam to discuss the country's future.South Koreasource
- 1979October 12 – Thorbjörn Fälldin returns as Prime Minister of Sweden, replacing Ola Ullsten who is named Foreign Minister of Sweden.source
- 19793 December – Ministers from France, Germany, and Luxembourg meet in Bonn. Germany and Luxembourg protest against France's plans to allow the construction of a nuclear power plant at Cattenom, but in vain.Luxembourgsource
- 1979December 5 – Jack Lynch resigns as Taoiseach of Ireland; he is succeeded by Charles Haughey.source
- 197910 December – Abdus Salam wins the first Nobel Prize for the country.Pakistansource
- 1979December 12 – The unrecognised state of Zimbabwe Rhodesia returns to British control and resumes using the name Southern Rhodesia.source
- 1979December 12 – The NATO Double-Track Decision: is the decision of NATO from December 12, 1979, to offer the Warsaw Pact a mutual limitation of medium-range ballistic missiles and intermediate-range ballistic missiles combined with the threat that in case of disagreement NATO would deploy more middle-range nuclear weapons in Western Europe, following the so-called "Euromissile Crisis".source
- 1979December 13 – The Canadian Progressive Conservative minority government of Prime Minister Joe Clark, falls in a non-confidence motion.source
- 1979Cape Verde ratified the UN treaties of the International Convention on the Elimination of All Forms of Racial Discrimination and the International Convention on the Suppression and Punishment of the Crime of ApartheidCape Verdesource
- 1980January 14 – Indian National Congress party leader Indira Gandhi returns to power as the Prime Minister of India.source
- 1980February 4 – Abolhassan Banisadr is sworn in as the first President of Iran after winning the January 25 presidential election.source
- 1980February 15 – In Vanuatu, followers of John Frum's cargo cult on the island of Tanna declare secession as the nation of Tafea.source
- 1980February 22 – The US upset the USSR in the Olympics, a hockey game known as the Miracle on Ice. They then proceeded to defeat Finland to secure their first of two gold medals since 1960.source
- 1980February 23 – Ayatollah Ruhollah Khomeini states that Iran's parliament will decide the fate of the American embassy hostages.source
- 1980March 1 – The Commonwealth Trade Union Council is established.source
- 1980March 3 – Pierre Trudeau returns to office as Prime Minister of Canada.source
- 1980March 4 – Robert Mugabe is elected Prime Minister of Zimbabwe.source
- 1980April 14 – The People's Redemption Council is established, with Samuel Doe as its chairman and head of state of Liberia.Liberiasource
- 1980April 15 – Libya recognizes the Sahrawi Arab Democratic Republic.Libyasource
- 1980April 15 - Syria recognizes the Sahrawi Arab Democratic Republic.Syriasource
- 1980April 18 – Zimbabwe gains de jure independence from the United Kingdom with Robert Mugabe as its first Prime Minister.source
- 1980April 30 – Queen Juliana of the Netherlands abdicates and her daughter Beatrix accedes to the throne.source
- 198030: The abdication of Queen Juliana in favor of her oldest daughter Beatrix. The inauguration of Beatrix as Queen of the Netherlands is marred by large riots known as the Kroningsoproer (see Amsterdam coronation riots).Netherlandssource
- 1980May 2 – Referendum on system of government held in Nepal.source
- 198018 May – In the 1980 Austrian presidential election, Rudolf Kirchschläger is re-elected with the support of both major parties and 80% of the vote.Austriasource
- 1980May 20 – 1980 Quebec referendum: Voters in Quebec reject, by a vote of 60%, a proposal to seek independence from Canada.source
- 1980May 20 - Chun Doo-hwan and Roh Tae-woo order the National Assembly of Korea to be dissolved, using troops to enforce the order.South Koreasource
- 1980May - The village level administrative bodies were formed for the first time under the title of "Swanirvar Gram Sarkar" (Self-sufficient village Government).Bangladeshsource
- 1980June 29 – Vigdís Finnbogadóttir is elected President of Iceland, making her the first woman democratically elected as head of state.source
- 19801 July: Cornelius Cloete, a member of the Democratic Turnhalle Alliance (DTA), becomes the first leader of the newly founded Namaland.Namibiasource
- 1980July 30 – Vanuatu gains independence.source
- 1980July 30 – Israel's Knesset passes the Jerusalem Law.source
- 1980August 1 – Vigdís Finnbogadóttir becomes the 4th President of Iceland, the world's first democratically directly elected female president.source
- 1980September 21 – Bülent Ulusu, ex admiral, forms the new government of Turkey (44th government, composed mostly of technocrats).source
- 1980October 14 – The 6th Congress of the Workers' Party ends, having anointed North Korean President Kim Il Sung's son Kim Jong Il as his successor.source
- 1980October 15 – James Callaghan announces his resignation as leader of the British Labour Party.source
- 1980October 18 – 1980 Australian federal election: Malcolm Fraser's Liberal/National Country Coalition government is re-elected with a substantially reduced majority, defeating the Labor Party led by Bill Hayden. The Government also loses control of the Senate, with the Australian Democrats winning the balance of power.source
- 1980October 30 – El Salvador and Honduras sign a peace treaty to put the border dispute fought over in 1969's Football War before the International Court of Justice.source
- 1980October 31 – The Polish government recognizes Solidarity.source
- 1980October 31 – Reza Pahlavi, eldest son of the Shah of Iran, proclaims himself the rightful successor to the Peacock Throne.source
- 1980November 4 – 1980 United States presidential election: Republican challenger and former Governor Ronald Reagan of California defeats incumbent Democratic President Jimmy Carter and is elected the 40th President of the United States.source
- 1981January 1 – Palau becomes a self-governing territory.source
- 19811 January – Greece joins European Communities.Greecesource
- 1981January 20 – Iran releases the 52 Americans held for 444 days, minutes after Ronald Reagan is sworn in as the 40th President of the United States, ending the Iran hostage crisis.source
- 1981February 4 – Gro Harlem Brundtland becomes Prime Minister of Norway.source
- 1981February 9 – Polish Prime Minister Józef Pińkowski resigns and is replaced by General Wojciech Jaruzelski.source
- 1981March 11 – Chilean military dictator Augusto Pinochet is sworn in as President of Chile for another 8-year term.source
- 198113 March: The Israeli government expropriates several hundred acres of land in the West Bank for the purposes of expanding the settlement of Shavei Shomron.Palestinesource
- 1981April 12 – The National Constitution Drafting Commission is formed, chaired by Amos Sawyer, with the goal of producing a new constitution.Liberiasource
- 1981April 26 – French presidential election: A first-round runoff results between Valéry Giscard d'Estaing and François Mitterrand.source
- 1981May 6 - Citing Libya's support of international terrorism, the United States ordered the closure of the Libyan Embassy in Washington, D.C. Ambassador Ali Houderi was summoned to the U.S. State Department, and told to withdraw the 27 diplomats and their families within one week. The U.S. Embassy in Libya had closed in 1980. Diplomatic relations were restored in 2004.Libyasource
- 1981May 21 – François Mitterrand becomes the first socialist President of the French Fifth Republic.source
- 198124 May – AKEL and the Democratic Rally both won 12 of the 35 seats in the parliament in parliamentary elections. Voter turnout was 95.7%.Cyprussource
- 1981May 25 – In Riyadh, the Gulf Cooperation Council is created among Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates.source
- 1981June 18 – The Organization of Eastern Caribbean States is founded.source
- 1981June 22 – Iranian president Abolhassan Banisadr is deposed.source
- 1981July 7 – United States President Ronald Reagan nominates the first woman, Sandra Day O'Connor, to the Supreme Court of the United States.source
- 1981July 10 – Mahathir Mohamad becomes the 4th Prime Minister of Malaysia.source
- 1981September 1 – Gregorio Conrado Álvarez is inaugurated as a military de facto President of Uruguay.source
- 1981September 18 – France's National Assembly votes to abolish Capital punishment in France.source
- 1981September 21 – Belize, formerly British Honduras, gains its independence from the United Kingdom.source
- 1981September 25 – Sandra Day O'Connor takes her seat as the first female justice of the U.S. Supreme Court.source
- 1981October 5 – Raoul Wallenberg posthumously becomes an honorary citizen of the United States.source
- 1981October 21 – Andreas Papandreou becomes Prime Minister of Greece.source
- 1981October 22 – The founding congress of the Nepal Workers and Peasants Organization faction led by Hareram Sharma and D. P. Singh begins.source
- 1981October 26 – Urho Kekkonen, the 8th President of Finland, resigns after being the longest-serving Finnish president since 1956.source
- 1981November 1 – Antigua and Barbuda gains independence from the United Kingdom.source
- 1981November 9 – Slavery in Mauritania is abolished by Edict No. 81-234.source
- 1981Cambodia by Kim Wilde was releasedCambodiasource
- 1981December 4 – South Africa grants Ciskei independence, not recognized outside South Africa.source
- 1981December 10 – During the Ministerial Session of the North Atlantic Council in Brussels, Spain signs the Protocol of Accession to NATO.source
- 1981December 28 – Rwandan parliamentary election, 1981Rwandasource
- 1981Sri Lanka obtains Full Member status of the International Cricket Council (ICC) in 1981, making them the eighth Test playing nation.Sri Lankasource
- 1982January 26 – Mauno Koivisto is elected President of Finland.source
- 1982January 27 – The government of Garret FitzGerald in Ireland is defeated 82–81 on its budget; the 22nd Dáil is dissolved.source
- 1982February 1 – Senegal and The Gambia form a loose Senegambia Confederation.source
- 1982February 7 – Iraqi club Al-Shorta win the 1982 Arab Club Champions Cup with a 4–2 aggregate win over Al-Nejmeh in the final.source
- 1982February 18 – The Ireland general election gives a boost to Fianna Fáil.source
- 1982February 24 – In South Africa, 22 National Party MPs, led by Andries Treurnicht, vote for no confidence in P. W. Botha.source
- 1982March 2 – Decentralisation in France: the Law of Decentralisation creates the administrative regions of France (régions).source
- 19828 March – A “Political Information System” seminar convenes in Nairobi, bringing together representatives from single-party states (Malawi, Zambia, Tanzania, Uganda) to discuss the viability of one-party democracy in post-colonial Africa.Kenyasource
- 1982March 19 – Argentine scrap metal workers (infiltrated by marines) raise the flag of Argentina on South Georgia and the Falkland Islands, two British overseas territories.source
- 1982March 29 – Royal Assent is given to the Canada Act 1982, setting the stage for the repatriation of the Canadian Constitution on April 17.source
- 1982Libya hosted the 1982 African Cup of NationsLibyasource
- 1982April 16: VVD leader Hans Wiegel accepts the position of Queens Commissioner in the province of Friesland. Ed Nijpels is elected as the next VVD Parliamentary leader in the House of Representatives.Netherlandssource
- 1982April 17 – Canadian Charter of Rights and Freedoms: By Proclamation of the Queen of Canada on Parliament Hill, Canada patriates its constitution, gaining full political independence from the United Kingdom; included is the country's first entrenched bill of rights.source
- 1982April 25 – Israel completes its withdrawal from the Sinai Peninsula in accordance with the Egypt–Israel peace treaty of 1979.source
- 19822 May – The Government affirmed its neutrality in the Falklands war between the United Kingdom and Argentina, and opposed European Economic Community sanctions against Argentina (as did Italy).Irelandsource
- 1982June 20 – Falklands War ends with British forces retaking the South Sandwich Islands.source
- 198219 July – President Celso Torrelio resigns from office; the presidency is entrusted to a Junta of Commanders of the Armed Forces while a new executive is selected.Boliviasource
- 1982September 21 – The first International Day of Peace is proclaimed by the United Nations.source
- 1982September 23 – Amine Gemayel, brother of Bachir, is elected president of Lebanon.source
- 1982October 1 – Helmut Kohl replaces Helmut Schmidt as Chancellor of Germany through a constructive vote of no confidence.source
- 19824 October - Bangladesh signs with India a memorandum of understanding on water sharing for two years.Bangladeshsource
- 1982October 26 - 20 Members of parliament signed a partition which urges the Prime-minister to use his emergency powers against Communist insurgents.Thailandsource
- 1982October 27 – In Canada, the July 1 holiday, Dominion Day, is officially renamed Canada Day.source
- 1982October 28 – The Socialist Party wins the election in Spain; Felipe González is elected Prime Minister.source
- 1982November 6 – Paul Biya becomes the second president of Cameroon following the resignation of Ahmadou Ahidjo.source
- 1982November 8 – Kenan Evren becomes the seventh president of Turkey as a result of the constitution referendum. His former title was "head of state".source
- 1982November 27 – Yasuhiro Nakasone becomes Prime Minister of Japan.source
- 1982December 1 – Miguel de la Madrid takes office as President of Mexico.source
- 1982December 4 – The People's Republic of China adopts its current constitution.source
- 1982December 10 – United Nations Convention on the Law of the Sea signed at Montego Bay; it becomes fully effective on November 16, 1994, on receiving 60 signatures.source
- 198221 December – Ernest Mühlen is appointed in Camille Ney's place as minister, whilst Jean-Claude Juncker is promoted to secretary of state.Luxembourgsource
- 1982December 22 – The Indian Ocean Commission (Commission de l'Océan Indien, COI) is created by the Port Louis Agreement.source
- 198222 December – 1982 Sri Lankan national referendum: A national referendum was held, giving the people of Sri Lanka the option to extend the life of the current parliament by another 6 years, effectively cancelling the general elections which were due to be held before 1983. 54% of votes were cast in favour of the extension. The referendum was described as a dictatorial move by opposition parties, and was the first and so far only national referendum to be held in Sri Lanka.Sri Lankasource
- 1983February 3 – Prime Minister of Australia Malcolm Fraser is granted a double dissolution of both houses of parliament, for elections on March 5, 1983. As Fraser is being granted the dissolution, Bill Hayden resigns as leader of the Australian Labor Party, and in the subsequent leadership spill Bob Hawke is elected as Hayden's successor unopposed.source
- 198313 February – Spyros Kyprianou of the Democratic Party (and also supported by AKEL) won presidential elections, receiving 56.5% of the vote. Voter turnout was 95.0%.Cyprussource
- 1983March 1 – The Balearic Islands and Madrid become Autonomous communities of Spain.source
- 1983March 5 – Australian federal election: The Labor Party led by Bob Hawke defeats the Liberal/National Coalition government led by Prime Minister Malcolm Fraser. Hawke is to be sworn in on March 11. As soon as the results become clear, Fraser resigns from the Liberal leadership; he is replaced by outgoing Minister for Industry and Commerce Andrew Peacock.source
- 1983March 21 – Yamoussoukro officially becomes the Ivorian political capital after transfer from Abidjan.source
- 1983March 29 – Germany's first elected Green Party representatives take their seats in the West German Bundestag, dressed in jeans and sweaters and accompanied by bongo drums.source
- 198324 April – In the 1983 Austrian legislative election, the Socialist Party wins 90 out of a possible 183 seats to secure a fifth term in government, prompting Bruno Kreisky to stand down as SPÖ leader.Austriasource
- 1983May 17 – Lebanon, Israel, and the United States sign an agreement on Israeli withdrawal from Lebanon.source
- 198328 May – The Green Party of Switzerland is established.Switzerlandsource
- 1983July 4 – Filipino-American Friendship DayPhilippinessource
- 1983July 20 – The government of Poland announces the end of martial law and amnesty for political prisoners.source
- 1983August 4 – Thomas Sankara becomes President of Upper Volta.source
- 1983August 4 – Bettino Craxi is sworn in as Italy's first prime minister from the Italian Socialist Party (PSI).source
- 1983August 24 – South Africa announces "all outstanding issues" preventing independence for South West Africa (present-day Namibia) have been resolved, except for the continuing presence of 23,000 Cuban troops in neighboring Angola.source
- 1983September 19 – Saint Kitts and Nevis becomes an independent state.source
- 198321 September – King Carl Gustaf and Queen Silvia of Sweden make an official state visit to Luxembourg.Luxembourgsource
- 1983October 2 – Neil Kinnock is elected leader of the British Labour Party.source
- 1983October 30 – Argentine general election: The first democratic elections in Argentina after seven years of military rule are held.source
- 1983November 2 – South Africa approves a new constitution granting limited political rights to Coloureds and Asians as part of a series of reforms to apartheid.source
- 1983November 11 – Ronald Reagan becomes the first U.S. president to address the National Diet, Japan's national legislature.source
- 1983November 15 – The Turkish part of Cyprus declares independence.source
- 1983November 17 – The Zapatista Army of National Liberation is founded in Mexico.source
- 19833 December – 1983 Republic of China legislative election.Taiwansource
- 1983December 4 – General elections are celebrated in Venezuela in which the opposition party, Democratic Action, wins a majority in both chambers of the Venezuelan Congress and the presidency for the 1984–1989 period under Jaime Lusinchi. Voter turnout is 87.3% and Lusinchi obtains 58.4% of the votes.source
- 1983December 10 – Military rule ends and democracy is restored in Argentina, with the beginning of Raúl Alfonsín's first term as President of Argentina.source
- 198311 December - Hussain Muhammad Ershad takes charge as the President of Bangladesh.Bangladeshsource
- 1983December 13 – Turgut Özal, of ANAP forms the new government of Turkey (45th government); beginning a new civilian regime.source
- 1983Yang di-Pertuan Besar of Negeri Sembilan: Tuanku Jaafar (Deputy Yang di-Pertuan Agong)Malaysiasource
- 1984January 1 – The Bornean Sultanate of Brunei gains full independence from the United Kingdom, having become a British protectorate in 1888.source
- 1984January 7 – Brunei becomes the sixth member of the Association of Southeast Asian Nations (ASEAN).source
- 19847 January - Brunei becomes the sixth member of the Association of Southeast Asian Nations.Bruneisource
- 1984January 10 – The United States and the Vatican (Holy See) restore full diplomatic relations.source
- 1984January 10 – The Victoria Agreement is signed, institutionalising the Indian Ocean Commission.source
- 1984February 13 – Konstantin Chernenko succeeds the late Yuri Andropov as General Secretary of the Communist Party of the Soviet Union.source
- 1984February 29 – Canadian prime minister Pierre Trudeau announces his retirement.source
- 1984April 26 – Sultan Iskandar of Johor becomes Yang di-Pertuan Agong of Malaysia, in succession to Sultan Ahmad Shah, whose term ended the previous day.source
- 198426 April – Sultan Iskandar of Johor was elected as the eighth Yang di-Pertuan Agong, replacing Sultan Ahmad Shah of Pahang.Malaysiasource
- 1984June 14–16 – voting days for the European Parliament electionsource
- 198417 June – Legislative and European elections are held. The LSAP increases its representation in the Chamber of Deputies by half.Luxembourgsource
- 1984June 27 – France beats Spain 2–0 to win Euro 84.source
- 1984June 30 – John Turner becomes the 17th Prime Minister of Canada.source
- 1984July 1 – Liechtenstein becomes the last country in Europe to grant women the right to vote.source
- 1984August 4 – The African republic Upper Volta changes its name to Burkina Faso.source
- 198413 August - The Oujda Treaty is signed, in Oujda, Morocco. It aims to establish the "Arab-African Union of States" between Libya and Morocco. Morocco will end up cancelling the treaty two years later, before any union is actually established.Libyasource
- 1984September 4 – The Progressive Conservative Party of Canada, led by Brian Mulroney, wins 211 seats in the House of Commons of Canada, forming the largest majority government in Canadian history.source
- 1984September 5 – Western Australia becomes the last Australian state to abolish capital punishment.source
- 1984September 14 – P. W. Botha is inaugurated as the first executive State President of South Africa.source
- 1984September 17 – Brian Mulroney is sworn in as Prime Minister of Canada.source
- 1984September 26 – The United Kingdom and the People's Republic of China sign the initial agreement to return Hong Kong to China in 1997.source
- 1984November 1: Abortion is legalized through a new law.Netherlandssource
- 1984November 4 – The Sandinista Front wins the Nicaraguan general elections.source
- 1984November 6 – 1984 United States presidential election: Republican President Ronald Reagan defeats Democratic former Vice President Walter F. Mondale with 59% of the popular vote, the highest since Richard Nixon's 61% popular vote victory in 1972. Reagan carries 49 states in the electoral College; Mondale wins only his home state of Minnesota (by a mere 3,761 vote margin) and the District of Columbia.source
- 1984November 25 – 1984 Uruguayan presidential election: Julio María Sanguinetti is democratically elected President of Uruguay after 12 years of military dictatorship.source
- 1984December 1 – A peace agreement between Kenya and Somalia is signed in the Egyptian capital Cairo. With this agreement, in which Somalia officially renounces its historical territorial claims, relations between the two countries begin to improve.source
- 1984December 2 – 1984 Australian federal election: Bob Hawke's Labor government is re-elected with a reduced majority, defeating the Liberal/National Coalition led by Andrew Peacock.source
- 198414 December – U.N. Security Council resolution 559 was adopted unanimously.Cyprussource
- 1984December 19 – The People's Republic of China and the United Kingdom sign the Sino-British Joint Declaration on the future of Hong Kong.source
- 1984December 22 – In Malta, Prime Minister Dom Mintoff resigns.source
- 1984The First South-East Asian Cricket Tournament was held in Dhaka in January. Two teams from the host country were joined by teams from Singapore and Hong Kong. The Bangladesh national team won the trophy, and thus qualified for the 1986 Asia Cup in Sri Lanka.Bangladeshsource
- 1984A referendum on the Islamisation policy of President Muhammad Zia-ul-Haq was held in Pakistan on 19 December 1984. Voters were asked whether they supported Zia-ul-Haq's proposals for amending several laws in accordance with the Quran and Sunnah, whether they wanted this process to continue, and whether they supported the Islamist ideology of Pakistan.[1] The referendum also served as way of extending Zia-ul-Haq's presidential term by five years.[2] Official results declared it approved by 98.5% of voters, with a turnout of 62.2%.[1] Independent observers questioned whether voter participation had reached 30% and noted that there had been "widespread irregularities".[3]Pakistansource
- 1985January 14 – Hun Sen is confirmed as prime minister, having been acting PM since the death of his predecessor Chan Sy.Cambodiasource
- 1985January 15 – Tancredo Neves is elected president of Brazil by the Congress, ending the 21-year military rule.source
- 1985January 27 – The Economic Cooperation Organization (ECO) is formed, in Tehran.source
- 198511 February – PLO chairman Yasser Arafat and King Hussein of Jordan sign the Palestinian-Jordanian Joint Action Agreement.Palestinesource
- 198524 February – 1985 North Korean local electionsNorth Koreasource
- 198527 February – Colombia officially recognizes the Shawari Arab Democratic Republic.Colombiasource
- 1985March 1 – After a 12-year-long dictatorship, Julio María Sanguinetti is sworn in as the first democratically elected President of Uruguay.source
- 1985March 6 – Greek Prime Minister Andreas Papandreou instigated a constitutional crisis to divert voter's attention from the deterioration of the Greek economy, by suddenly not supporting Konstantinos Karamanlis for a second term as President of Greece and violating constitutional voting protocol to get his presidential candidate to power. At the same time, he proposed a constitutional reforms to remove constitutional checks and balances constraining his position.source
- 1985March 10 - Karamanlis resigns from the Presidency after the surprising political gamble of Andreas Papandreou for not supporting Karamanlis for a second term, leading to a constitutional crisis.Greecesource
- 1985March 11 – Mikhail Gorbachev becomes General Secretary of the Soviet Communist Party and de facto leader of the Soviet Union.source
- 1985March 15 – Vice-president José Sarney, upon becoming vice president, assumes the duties of president of Brazil, as the new president Tancredo Neves had become severely ill the day before. Sarney would later become Brazil's first civilian president in 21 years, upon Neves' death on April 21.source
- 198531 March – Salvadoran legislative election, 1985El Salvadorsource
- 1985April 28 – The Australian Nuclear Disarmament Party (NDP) splits.source
- 1985May 15 – Argentine President Raúl Alfonsín terminates Argentine administration of the Falkland Islands but does not relinquish Argentina's claim to the islands.source
- 1985June 14 – The Schengen Agreement is signed between certain member states of the European Economic Community, creating the Schengen Area, a bloc of (at the time) 5 states with no internal border controls.source
- 1985June 26 – The iconic U.S. Route 66 is officially decommissioned.source
- 1985September 22 – The Plaza Accord is signed by five nations.source
- 1985November 19 – Cold War: In Geneva, U.S. President Ronald Reagan and Soviet Union leader Mikhail Gorbachev meet for the first time.source
- 1985December 8 – The South Asian Association for Regional Cooperation (SAARC) is established.source
- 19858 December – Democratic Rally won 19 of the 56 seats in the parliament following parliamentary elections. Voter turnout was 94.6%.Cyprussource
- 1985December – President Saddam Hussain visits Moscow to meet Mikhail Gorbachev in an attempt to improve relations between Iraq and the Soviet union.Iraqsource
- 1986January 1 – Spain and Portugal enter the European Community, which becomes the European Union in 1993.source
- 1986January 1 – Aruba gains increased autonomy from the Netherlands by separating from the Netherlands Antilles.source
- 19861 January – President H. M. Ershad founded his own political party named Jatiya Party.Bangladeshsource
- 1986January 29 – Yoweri Museveni is sworn in as President of Uganda.source
- 1986January – President Barre and the Ethiopian president Mengistu Haile Mariam meet in Djibouti to normalise relations between the two countries.Somaliasource
- 1986February 16 – Mário Soares wins the second round of the Portuguese presidential election.source
- 1986February 17 – The Single European Act is signed.source
- 1986February 19 – The United States Senate approves a treaty outlawing genocide.source
- 198619 February: King Hussein of Jordan declares the failure of the Palestinian-Jordanian Joint Action Agreement signed in 1985. In his declaration, Hussein accuses the PLO of breaking their promise to recognise United Nations Security Council Resolution 242 and United Nations Security Council Resolution 338.Palestinesource
- 1986February 25 – People Power Revolution: President Ferdinand Marcos of the Philippines is ousted from power and goes into exile in Hawaii after 20 years of dictatorial rule; Corazon Aquino becomes the first Filipino woman president and forms an interim government with Salvador Laurel becoming her Vice-president and Prime Minister.source
- 1986March 1 – Olof Palme's deputy Ingvar Carlsson becomes acting Prime Minister of Sweden. He is elected Prime Minister by the Swedish Riksdag on March 15.source
- 1986March 3 – Full independence of Australia - Australia Act 1986: This law formally severed all legal ties between Australia and the United Kingdom.source
- 1986April 16 – The United Kingdom and the Kingdom of the Netherlands sign a peace treaty, thus ending the Three Hundred and Thirty Five Years' War, one of the longest wars in human history.source
- 1986April 17 – An alleged state of war lasting 335 years between the Netherlands and the Isles of Scilly declared peace, bringing an end to any hypothetical war that may have existed.source
- 1986May 8 – Óscar Arias is inaugurated into his first term as President of Costa Rica.source
- 198621 May - 1986 Dutch general election.Netherlandssource
- 198625 May – The 1986 Colombian presidential election is held.Colombiasource
- 1986June 8 – Former United Nations Secretary-General Kurt Waldheim is elected president of Austria.source
- 1986July 4 – The Statue of Liberty is reopened to the public after celebrating its centennial and an extensive refurbishment.source
- 198612 July - The Emir issues a decree for the formation of a 13th government.Kuwaitsource
- 198629 July: Argentine President Raúl Alfonsín and Brazilian President José Sarney sign economic agreements in Buenos Aires for mutual integration; the basis for the future creation of the Southern Common Market (Mercosur).Argentinasource
- 1986August 6 – Australian Democrats leader Don Chipp retires from federal parliament and is succeeded by Janine Haines, the first woman to lead a political party in Australia.source
- 1986September 28 – The Democratic Progressive Party is founded. It was part of the Tangwai movement in the new generation to challenge Kuomintang in Taiwan's one-party politics, and is currently one of only two parties to win presidential elections in Taiwan.source
- 1986October 1 – U.S. President Ronald Reagan signs the Goldwater–Nichols Act into law, making official the largest reorganization of the United States Department of Defense since the Air Force was made a separate branch of service in 1947.source
- 1986October 9 – United States District Court Judge Harry E. Claiborne becomes the fifth federal official to be removed from office through impeachment.source
- 1986October 11–12 – Cold War: Ronald Reagan and Soviet leader Mikhail Gorbachev meet in Reykjavík, Iceland, to continue discussions about scaling back their intermediate missile arsenals in Europe, which end in failure.source
- 1986October 21 – The Marshall Islands became an associated state under the Compact of Free Association.source
- 1986October 26 – The state funeral of President Samora Machel of Mozambique takes place in Maputo.source
- 1986November 1 – Queensland, Australia: Joh Bjelke-Petersen wins his final election as Premier of Queensland with 38.6% of the vote. He resigns on December 1, 1987, following revelations of his involvement with corruption released in the Fitzgerald Inquiry.source
- 1986November 3 – The Northern Mariana Islands enter in a political union with the United States. The island's government adopted its own constitution in 1977, and the constitutional government took office in January 1978. The covenant was fully implemented November 3, 1986, pursuant to Presidential Proclamation no. 5564, which conferred United States citizenship on legally qualified island residents.source
- 1986November 6 – Alex Ferguson is appointed as the new manager of Manchester United.source
- 1986Zulfiqar Ali Bhutto's daughter Benazir returns from exile to lead the Pakistan Peoples Party (PPP) in a campaign for fresh elections.Pakistansource
- 1987January 15 – Hu Yaobang, General Secretary of the Chinese Communist Party, is forced into retirement by political conservatives.source
- 198722 January: Birzeit University student elections are held. The leftist-nationalist bloc wins 41.5% of the vote, the Islamist bloc 34%, and the Marxist bloc 24.5%.Palestinesource
- 1987February 11 – The new Constitution of the Philippines goes into effect. This new constitution adds Spanish and Arabic as optional languages of the Philippines.source
- 1987February 25 – The U.S. Supreme Court rules in United States v. Paradise that affirmative action is lawful if the organization in question has a history of pervasive racial discrimination in hiring practices; in this case, police departments in the state of Alabama. Justice William J. Brennan, Jr. rules that the government is "justified by a compelling governmental interest in eradicating the Department's pervasive, systematic, and obstinate discriminatory exclusion of blacks."source
- 1987March 4 – U.S. President Ronald Reagan addresses the American people on the Iran–Contra affair, acknowledging that his overtures to Iran had "deteriorated" into an arms-for-hostages deal.source
- 1987April 13 – The governments of the Portuguese Republic and the People's Republic of China sign an agreement in which Macau will be returned to China in 1999.source
- 1987April 27 – The United States Department of Justice declares incumbent Austrian president Kurt Waldheim an "undesirable alien".source
- 1987April 30 – Canadian Prime Minister Brian Mulroney and the Provincial Premiers agree in principle to the Meech Lake Accord which would bring Quebec into the constitution.source
- 198725-27 May – Mikhail Gorbachev visits Romania.Romaniasource
- 1987June 11 – The Conservative Party of the United Kingdom, led by Margaret Thatcher, is re-elected for a third term at the 1987 general election.source
- 1987June 27: Egbert Streuer and Bernard Schnieders are victorious in the sidecar class of the Dutch TT.Netherlandssource
- 1987July 1 – The Single European Act is passed by the European Community.source
- 1987July 11 – 1987 Australian federal election: Bob Hawke's Labor government is re-elected with an increased majority, defeating the Liberal Party led by John Howard and the National Party led by Ian Sinclair.source
- 198711 July – The Colombia national football team plays Argentina in the third place play off leading up to the 1987 Copa América. Colombia wins 2–1.Colombiasource
- 1987July 15 – Martial law in Taiwan ends after 38 years.source
- 198729 July – The Indo-Sri Lanka Peace Accord is signed in Colombo between Indian Prime Minister Rajiv Gandhi and Sri Lankan President J. R. Jayewardene, thus bringing an end to the first phase of the Sri Lankan Civil War.Sri Lankasource
- 198714 August – Pakistan celebrates 40 years of independence.Pakistansource
- 1987August 22 – The Parliament of Zimbabwe votes to eliminate the 20 seats reserved for the white minority.source
- 1987August 23 – The Hirvepark meeting is organized as the first unsanctioned political meeting in Estonian Soviet Socialist Republic, in commemoration of the Molotov–Ribbentrop Pact.source
- 1987September 23 – The United States and Poland agree to exchange ambassadors after a four-year break in relations.source
- 1987October 7 – Sikh nationalists declare the independence of Khalistan from India.source
- 1987October 7 - Algeria and Libya announce a tentative agreement to form a political union. Algeria backed out of the planned union in November, well before it was implemented.Libyasource
- 1987October 8 – Gaddafi announces that Algeria and Libya have "agreed in principle" to a proposed union of the two states, which Gaddafi suggests should be named "Algibya."source
- 1987October 23 – On a vote of 58–42, the United States Senate rejects President Ronald Reagan's nomination of Robert Bork to the Supreme Court.source
- 1987November 7 – Zine El Abidine Ben Ali assumes the Presidency of Tunisia.source
- 1987November 16 – The Parlatino Treaty of Institutionalization is signed.source
- 19877 December – Hussain Muhammad Ershad dissolves parliament under the pressure of opposition.Bangladeshsource
- 1987December 8 – The Intermediate-Range Nuclear Forces Treaty is signed in Washington, D.C. by U.S. President Ronald Reagan and Soviet leader Mikhail Gorbachev. It expired in 2019.source
- 1987December 9 – General Rahimuddin Khan retires from the Pakistan Army, along with the cabinet of the country's military dictatorship.source
- 1987December 17 – Gustáv Husák resigns as General Secretary of the Communist Party of Czechoslovakia.source
- 1987December 21 – Turgut Özal of ANAP forms the new government of Turkey (46th government).source
- 1987December 22 – In Zimbabwe, the political parties ZANU and ZAPU reach an agreement that ends the violence in the Matabeleland region known as the Gukurahundi.source
- 1988January 13 – Vice-president Lee Teng-hui takes over as President of the Republic of China and Chairman of the Kuomintang following the death of Chiang Ching-kuo.source
- 198814 February – George Vassiliou, an independent candidate supported by AKEL, defeated Glafcos Clerides of the Democratic Rally in presidential elections. They were the first presidential elections in the country's history to go to a second round. Voter turnout was 94.3% in both rounds.Cyprussource
- 1988February 25 – The constitution of the Sixth Republic of Korea comes into effect.source
- 1988March 9 – Gorbachev meets with the leaders of Armenia and Azerbaijan Karen Demirchyan and Kamran Baghirov in Moscow to discuss the public demands of unification of Armenia and Karabakh.Armeniasource
- 1988April 14 – In the Geneva Accords, the Soviet Union commits itself to withdrawal of its forces from Afghanistan.source
- 1988May 8 – François Mitterrand is re-elected as President of France for 7 years.source
- 1988May 29–June 3 – The Moscow Summit meeting between U.S. President Ronald Reagan and General Secretary of the Communist Party of the Soviet Union Mikhail Gorbachev takes place, where the Intermediate-Range Nuclear Forces Treaty (INF) was finalized.source
- 198825 June - Dutch national soccer team wins UEFA Euro 1988 in West Germany.Netherlandssource
- 198824 July – 1988 Thai general election – victory for the Thai Nation Party, which won 87 of the 357 seats. Voter turnout was 63.6%.Thailandsource
- 1988October 3 - Chad and Libya reestablish diplomatic relations after the years-long Chadian–Libyan War.Libyasource
- 1988October 5 – Promulgation of the 1988 Constitution of the Federative Republic of Brazil.source
- 1988October 5 – Chilean dictator Augusto Pinochet loses a national plebiscite on his rule; he relinquishes power in 1990.source
- 1988October 29 – Pakistan's General Rahimuddin Khan resigns from his post as the governor of Sindh, following attempts by the President of Pakistan, Ghulam Ishaq Khan, to limit the powers Rahimuddin had accumulated.source
- 1988November 8 – The United States Vice-president and Republican nominee George H. W. Bush defeats the Democratic nominee and Governor of Massachusetts, Michael Dukakis, in the 1988 United States Presidential Election.source
- 1988November 15 – Israeli–Palestinian conflict: An independent State of Palestine is proclaimed at the Palestinian National Council meeting in Algiers, by a vote of 253–46.source
- 1988November 16 – In the first open election in more than a decade, voters in Pakistan choose populist candidate Benazir Bhutto to be Prime Minister. Elections are held as planned despite head of state Zia-ul-Haq's death earlier in August.source
- 1988November 16 – Singing Revolution: The Supreme Soviet of the Estonian SSR adopts the Estonian Sovereignty Declaration in which the laws of the Estonian SSR are declared supreme over those of the Soviet Union. The USSR declares it unconstitutional on November 26. It is the first declaration of sovereignty from the Soviet Union of any Soviet or Eastern Bloc entity.source
- 198818 November – Cyprus, Czechoslovakia, Egypt, Gambia, India, Nigeria, Seychelles, and Sri Lanka recognizes the State of Palestine. The Czech Republic and Slovakia continue this recognition following the 1992 dissolution of Czechoslovakia.Palestinesource
- 1988November 23 – Former Korean president Chun Doo-hwan makes a formal apology for corruption during his presidency, announcing he will go into exile.source
- 1988December 1 – Carlos Salinas de Gortari takes office as President of Mexico.source
- 1988December 2 – Benazir Bhutto is sworn in as Prime Minister of Pakistan, becoming the first woman to head the government of an Islam-dominated state.source
- 1988December 4 – In the 1988 Venezuelan general election, Carlos Andrés Pérez of Democratic Action is elected president with 52.9% of the vote, while Democratic Action win the most seats in the Chamber of Deputies and Senate, on a turnout of 81.9% in the presidential election and 81.7% in the Congressional elections.Venezuelasource
- 1988December 6 – The Australian Capital Territory is granted self-government by the Australian Capital Territory (Self-Government) Act 1988.source
- 198819 December – 1988 Sri Lankan presidential election: Prime Minister Ranasinghe Premadasa of the ruling United National Party is elected President of Sri Lanka, receiving 50.4% of all votes cast and defeating Sri Lanka Freedom Party candidate Sirimavo Bandaranaike.Sri Lankasource
- 1988December 20 – The United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances is signed at Vienna.source
- 1989February 3 – After a stroke, State President of South Africa P. W. Botha resigns as Leader of the National Party.source
- 1989February 6 – The Government of the People's Republic of Poland holds formal talks with representatives of Solidarity movement for the first time since 1981.source
- 198915 February – 1989 Sri Lankan parliamentary election: Sri Lanka holds their 9th parliamentary elections, with the ruling United National Party winning with a total of 125 seats.Sri Lankasource
- 1989February 20 – In Canada's Yukon Territory, the ruling New Democrats narrowly maintain control of the Yukon Legislative Assembly, winning 9 seats vs. the Progressive Conservative Party's 7.source
- 1989February 23 - The Muslim rebels set up an interim government in Pakistan. After three weeks of fractious debate, an assembly of 440 delegates elects an interim government with Sibghatullah Mojadedi, considered a moderate, as president. Rasul Sayaf, a hard-line fundamentalist from the Ittehad-i-Islami rebel group, is elected prime minister. Afghan Shi`ite guerrillas, most of whom are in Iran, boycott the assembly after the Pakistan-based rebels, the majority of whom are Sunnites, refused to give them the representation they sought. The Shi`ites constitute only 17% of the Afghan population but make up 40% of the refugees, who provide many of the guerrillas. The rebel government is officially recognized by Saudi Arabia on March 9, and Bahrain, Malaysia, and The Sudan also announce their recognition. The U.S. and Pakistan, the rebels' main backers, withhold recognition until a functioning administration is established, but the U.S. names a special presidential envoy to the Afghanistan resistance, with the rank of ambassador.Afghanistansource
- 1989March 1 – The Berne Convention, an international treaty on copyrights, is ratified by the United States.source
- 1989March 7 – Iran breaks off diplomatic relations with the United Kingdom over Salman Rushdie's The Satanic Verses.source
- 1989March 15 – Israel hands over Taba to Egypt, ending a seven-year territorial dispute.source
- 19891 April – Iraqi parliamentary election are held, as a result the Ba'ath Party won 207 of the 250 seats.Iraqsource
- 1989April 5 – The Polish Government and the Solidarity trade union sign an agreement restoring Solidarity to legal status, and agreeing to hold democratic elections on June 4 (Polish Round Table Agreement), which initiates the 1989 revolution and the overthrow of communism in Central Europe.source
- 19891 May: 1989 Paraguayan general electionParaguaysource
- 1989June 4 – 1989 Polish legislative election: Solidarity's victory in the first round is the first of many anti-communist revolutions of 1989 in Central and Eastern Europe.source
- 1989June 18 – In the first Greek legislative election of the year, the Panhellenic Socialist Movement, led by Prime Minister of Greece Andreas Papandreou, loses control of the Hellenic Parliament.source
- 1989July 12 – In the Republic of Ireland, the Taoiseach Charles Haughey returns to power after Fianna Fáil forms a coalition with the Progressive Democrats.source
- 1989July 28 – At the Iranian presidential election, electors overwhelmingly elect Akbar Hashemi Rafsanjani as President of Iran and endorse changes to the Constitution of the Islamic Republic of Iran, increasing the powers of the president.source
- 1989August 7 – The presidents of five Central American countries agree that the U.S.-backed contras fighting the government of Nicaragua should be disbanded and evicted from their bases in Honduras by December 5.source
- 1989August 23 – Singing Revolution: Two million indigenous people of Estonia, Latvia and Lithuania join hands to demand freedom and independence from Soviet occupation, forming an uninterrupted 600 km human chain called the Baltic Way.source
- 198931 August - The separatist group Patani Malays People's Consultative Council is founded.Thailandsource
- 1989September 6 – 1989 South African general election, the last held under the apartheid system, returns the National Party to power with a much-reduced majority.source
- 1989September 6 – In the 1989 Dutch general election, the Christian Democratic Appeal, led by Ruud Lubbers wins 54 seats, and is ultimately able to form a government on November 7 after entering into coalition with the Labour Party.source
- 1989September 20 – F. W. de Klerk is sworn in as the seventh and last State President of South Africa. Soon afterwards he determines to suspend the South African nuclear weapons program.source
- 198921 September – Palestinian president Yasser Arafat holds a press conference with Egyptian president Hosni Mubarak, after having a meeting with him, where he endorses open talks with Israel, urges citizens to resist the most recent crackdown on Palestinians in the West Bank and Gaza Strip, and answers and debates with Israeli journalists.Palestinesource
- 1989September 28 – The Parliament of Greece indicted former Prime Minister of Greece Andreas Papandreou and four of his ministers in connection to the Koskotas scandal.source
- 1989October 1 – Civil union between partners in a same-sex relationship becomes legal in Denmark under a law enacted on June 7, the world's first such legislation.source
- 1989October 13 – Gro Harlem Brundtland, leader of the Labour Party, resigns as Prime Minister of Norway. She is succeeded by Jan P. Syse, Leader of the Conservative Party, on October 16.source
- 1989October 17 - Egypt and Libya re-establish diplomatic relations that had been cut off in 1977.Libyasource
- 198919 November – 1989 North Korean local electionsNorth Koreasource
- 1989November 28 – Cold War: Velvet Revolution – The Communist Party of Czechoslovakia announces they will give up their monopoly on political power (elections held in December bring the first non-Communist government to Czechoslovakia in more than forty years).source
- 1989December 10 – Tsakhiagiin Elbegdorj announces the establishment of Mongolia's democratic movement, that peacefully changes the second-oldest Communist country into a democracy.source
- 1989December 14 – Chile holds its first free election in sixteen years, electing Patricio Aylwin as president. This marks the first time that all Ibero-American nations, except Cuba, have elected constitutional governments simultaneously.source
- 1989December 17 – Brazil holds the second round of its first free election in 29 years; Fernando Collor de Mello is elected to serve as president from 1990.source
- 1989December 31 – Poland's president signs the Balcerowicz Plan, ending the Communist system in Poland in favor of a capitalist system, leading to abandonment of the Warsaw Pact.source
- 1990January 15 – The National Assembly of Bulgaria votes to end one party rule by the Bulgarian Communist Party.source
- 1990February 12 – Representatives of NATO and the Warsaw Pact meet in Ottawa for an "Open Skies" conference. The conference results in agreements about superpower troop levels in Europe and on German reunification.source
- 1990February 15 – In Cartagena, Colombia, a summit is held between President of the United States George H. W. Bush, President of Bolivia Jaime Paz Zamora, President of Colombia Virgilio Barco Vargas, and President of Peru Alan García. The leaders pledge additional cooperation in fighting international drug trafficking.source
- 1990February 15 – The United Kingdom and Argentina restore diplomatic relations after 8 years. The UK had severed ties in response to Argentina's invasion of the Falkland Islands, a British Dependent Territory, in 1982.source
- 1990February 25 – The Sandinistas are defeated in the Nicaraguan elections, with Violeta Chamorro elected as the new president of Nicaragua (the first elected woman president in the Americas), replacing Daniel Ortega.source
- 1990March 11 – Augusto Pinochet hands over power to the elected president Patricio Aylwin, marking the beginning of the Chilean transition to democracy after 17 years of the military dictatorship of Chile.source
- 199021 March - Namibia is officially independent. Sam Nujoma is sworn in as the first President of Namibia, in a ceremony attended by representatives of 147 countries, including 20 heads of state. Sam Nujoma was sworn in as the first President of Namibia watched by Nelson Mandela (who had been released from prison shortly beforehand) and representatives from 147 countries, including 20 heads of state.Namibiasource
- 1990March 24 – 1990 Australian federal election: Bob Hawke's Labor government is re-elected with a reduced majority, narrowly defeating the Liberal/National Coalition led by Andrew Peacock.source
- 1990April 25 – Violeta Chamorro is sworn in as President of Nicaragua, the first woman elected (February 25) in her own right as a head of state in the Americas.source
- 1990May 4 – Singing Revolution: The Latvian SSR declares independence from the Soviet Union.source
- 1990May 18 – German reunification: East Germany and West Germany sign a treaty to merge their economic and social systems, effective July 1.source
- 1990May 20 – Cold War: The first post-Communist presidential and parliamentary elections are held in Romania.source
- 1990May 22 – Cold War: The leaders of the Yemen Arab Republic and the People's Democratic Republic of Yemen announce the unification of their countries as the Republic of Yemen.source
- 1990June 1 – Cold War: U.S. President George H. W. Bush and Soviet President Mikhail Gorbachev sign a treaty to end chemical weapon production and begin destroying their respective stocks.source
- 1990June 15 – Dublin Regulation on treatment of applications for right of asylum under European Union law agreed (comes into force 1997).source
- 1990June 24 - Jordan re-opens diplomatic relations with Libya. Jordan had cut off relations in 1984 after a violent protest at the Jordanian embassy in Tripoli.Libyasource
- 1990July 12 – Foster v British Gas plc decided in the European Court of Justice, a leading case on the definition of the "state" under European Union law.source
- 1990July 26 – U.S. President George H. W. Bush signs the Americans with Disabilities Act, designed to protect disabled Americans from discrimination.source
- 1990July 27 – Cold War: Belarus declares its sovereignty, a key step toward independence from the Soviet Union.source
- 1990August 24 – The Armenian SSR declares its independence from the Soviet Union.source
- 19909 September - Joint news conference of President Bush and Soviet President Mikhail Gorbachev in Helsinki, Finland.Finlandsource
- 1990September 27 – David Souter is confirmed to serve on the Supreme Court, replacing retiring Justice William J. Brennan Jr..source
- 1990October 22 – Nizhny Novgorod restores its official name from Gorky, Volga Federal District, Russia.source
- 1990November 6 – Nawaz Sharif is sworn in as the Prime Minister of Pakistan.source
- 1990November 7 – Indian Prime Minister Singh resigns over losing a confidence vote in the Parliament of India, having lost the support of Hindus who want a Muslim mosque in Ayodhya torn down to build a Hindu temple.source
- 1990November 25 – Lech Wałęsa and Stanisław Tymiński win the first round of the first Polish presidential election.source
- 1990December 3 – Mary Robinson begins her term as President of Ireland, becoming the first female to hold this office.source
- 19906 December – Iraq announces the release of thousands of foreign nationals being held in the Gulf since the fall of Kuwait.Iraqsource
- 1990December 9 – Slobodan Milošević elected President of Serbia in first round, general elections won by his Socialist Party.source
- 1990Opposition parties are made legal.Gabonsource
- 1990National Commission for Democracy, is asked by the PNDC to organise forums in all the 10 regions to seek Ghanaians views on what they want from government. The views obtained showed that Ghanaians wanted multi-party system of government.Ghanasource
- 1990Jordanian Democratic Popular Unity Party.Jordansource
- 199022–29 June – 1990 Mongolian parliamentary election: The MPRP won 357 seats in the Great Khural and 31 of 53 seats in the Small Khural.Mongoliasource
- 1991January 26 – President Siad Barre is overthrown, and Somalia enters a civil war. Three days later, Ali Mahdi Muhammad is inaugurated as the next president.source
- 1991January 29 – In South Africa, Nelson Mandela of the African National Congress and Mangosuthu Buthelezi of the Inkatha Freedom Party agree to end violence between the two organizations.source
- 1991January 29 - Siad Barre is succeeded by Ali Mahdi Muhammad as President of Somalia.Somaliasource
- 1991February 7 – 1991 Haitian coup d'état: Haiti's first democratically elected president, Jean-Bertrand Aristide, is sworn in. He is ousted on September 30 and later reinstated in 1994. In response to the coup and in an effort to encourage the coup leaders to restore democracy, the U.S. expands trade sanctions on Haiti to include all goods except food and medicine on October 29.source
- 1991February 15 – The Visegrád Group, establishing cooperation to move toward free-market systems, is established by the leaders of Czechoslovakia, Hungary, and Poland.source
- 1991March 15 – Germany formally regains complete independence after the four post-World War II occupying powers (France, the U.K., the U.S. and the U.S.S.R.) relinquish all remaining rights to the country.source
- 1991March 26 – Argentina, Brazil, Uruguay and Paraguay sign the Treaty of Asunción, establishing Mercosur.source
- 1991March 31 – Dissolution of the Soviet Union: Georgia votes for independence from the Soviet Union while on April 9, the Supreme Council declares the independent Republic of Georgia.source
- 199126 April – Sadou Hayatou becomes Prime Minister.Cameroonsource
- 1991May 16 – Elizabeth II becomes the first British monarch to address the U.S. Congress during a 13-day royal visit in Washington, D.C.source
- 1991May 18 – Somaliland secedes from Somalia; its independence is not recognised by the international community.source
- 1991May 19 – Dissolution of Yugoslavia: In the Croatian independence referendum, voters in the Socialist Republic of Croatia vote to leave SFR Yugoslavia.source
- 199119 May – Democratic Rally won 20 of the 56 seats in the parliament following parliamentary elections. Voter turnout was 93%.Cyprussource
- 1991July 4 – The Constituent Assembly of Colombia proclaims a new constitution, allowing the President of Colombia César Gaviria to lift the country's seven-year-long state of siege.source
- 1991July 9 – End of Apartheid: The International Olympic Committee readmits South Africa to the Olympics. The following day, U.S. President Bush terminates 1986-enacted U.S. sanctions on South Africa.source
- 1991July 31 – The United States and the Soviet Union sign the START I treaty in Moscow limiting strategic nuclear weapons.United Statessource
- 1991September 4 – Sverdlovsk's name is restored to its pre-communist–era name Yekaterinburg. Two days later, Leningrad is renamed St. Petersburg.source
- 1991September 8 – Dissolution of Yugoslavia: The Republic of Macedonia becomes independent, beginning a name dispute with Greece.source
- 1991October 13 – In the Bulgarian parliamentary election, the Union of Democratic Forces defeats the Bulgarian Socialist Party, leaving no remaining Communist governments in Eastern Europe.source
- 1991October 15 – The leaders of the Baltic States—Arnold Rüütel of Estonia, Anatolijs Gorbunovs of Latvia, and the Vytautas Landsbergis of Lithuania—sign the OSCE Final Act in Helsinki, Finland.source
- 1991October 15 – Clarence Thomas is confirmed as the new U.S. Supreme Court Justice following Thurgood Marshall's retirement.source
- 1991October 17 - The first ever presidential election is held in Armenia, the result was a victory for Levon Ter-Petrosyan.Armeniasource
- 1991October 18 – The Soviet Union restores its diplomatic relations with Israel, which have been suspended since the 1967 Six-Day War.source
- 1991October 23 – In Paris, the Vietnam-backed government of the state of Cambodia signs an agreement with the Khmer Rouge to end the civil war and bring the Khmer Rouge into power despite its role in the Cambodian genocide. The deal ends the Cambodian–Vietnamese War and results in the creation of the UN Transitional Authority in Cambodia.source
- 1991November 5 – China and Vietnam restore diplomatic relations after a 13-year rift which followed the 1979 Sino-Vietnamese War.source
- 1991December 1 – Dissolution of the Soviet Union: Ukrainians vote overwhelmingly for independence from the Soviet Union in a referendum.source
- 19911 December – Presidential elections were held in the country.Burkina Fasosource
- 1991December 8 – Dissolution of the Soviet Union: In the Białowieża Forest Nature Reserve in Belarus, the leaders of Russia, Belarus, and Ukraine sign an agreement officially ending the Soviet Union and establishing the Commonwealth of Independent States (CIS) in its place.source
- 1991December 8 – In the Białowieża Forest Nature Reserve in Belarus, the leaders of Russia, Belarus, and Ukraine sign an agreement officially ending the Soviet Union and establishing the Commonwealth of Independent States (CIS) in its place.Ukrainesource
- 1991December 12 – Ukraine becomes the first post-Soviet republic to decriminalize homosexuality.source
- 1991December 12 – The government of Nigeria moves the capital from Lagos to Abuja.source
- 1991December 21 — Alma-Ata Protocol signed by 11 of 15 former union republics except Estonia, Latvia, Lithuania and Georgia, declared USSR had effectively ceased to exist and established the Commonwealth of Independent States (CIS).source
- 1991The country switches to multiparty elections following the adoption of a new constitution by the parliament.Gabonsource
- 1992January 6 – The Nagorno-Karabakh Republic is proclaimed by the Armenians of Nagorno-Karabakh.source
- 1992January 9 – Bosnian Serbs declare their own republic within Bosnia and Herzegovina, in protest at the decision by Bosniaks and Bosnian Croats to seek recognition by the European Communities.source
- 1992January 15 – The Socialist Federal Republic of Yugoslavia begins to break up; Slovenia and Croatia gain independence and international recognition in some Western countries.source
- 1992January 16 – El Salvador officials and rebel leaders sign the Chapultepec Peace Accords in Mexico City, ending the 12-year Salvadoran Civil War that claimed at least 75,000 lives.source
- 199228 January – The blue and yellow flag of Ukraine was officially restored by the Verkhovna Rada.Ukrainesource
- 1992February 3 – South African State President F.W. de Klerk and Nelson Mandela, African National Congress leader, are jointly awarded the Felix Houphouet-Boigny Peace Prize at the UNESCO headquarters in Paris.source
- 1992February 7 – The Maastricht Treaty is signed, founding the European Union.source
- 19922 March – Kazakhstan becomes a member of the United Nations.Kazakhstansource
- 1992April 5 – The Assembly of Bosnia and Herzegovina (without the presence of Serb political delegates) proclaims independence from the Socialist Federal Republic of Yugoslavia.source
- 1992April 6 – The Republic of Ilirida is proclaimed by Albanian Macedonian activists in Struga, Republic of Macedonia.source
- 1992April 7 – The United States recognizes the independence of Slovenia, Croatia, and Bosnia and Herzegovina. The European Communities also recognizes Bosnia and Herzegovina.source
- 1992April 7 - The United States and the European Community recognize the independence of Bosnia and Herzegovina.Bosnia and Herzegovinasource
- 19927 April – The government issues a proclamation for a referendum to be held.Eritreasource
- 1992April 9 – In the United Kingdom general election the Conservative Party led by Prime Minister of the United Kingdom John Major narrowly retains power.source
- 1992April 27 – Betty Boothroyd becomes the first woman elected Speaker of the House of Commons of the United Kingdom.source
- 1992April 28 – The two remaining constituent republics of the former Socialist Federal Republic of Yugoslavia – Serbia and Montenegro – form a new state, named the Federal Republic of Yugoslavia (which in 2003 becomes Serbia and Montenegro), bringing to an end the official state union of Serbs, Croats, Slovenes, Montenegrins, Bosniaks and Macedonians that has existed since 1918 (with the exception of a brief occupation period during World War II).source
- 1992May 13 – Falun Gong is introduced by Li Hongzhi in China.source
- 1992May 15 – The Collective Security Treaty Organization is established by six post-Soviet states belonging to the Commonwealth of Independent States (effective April 20, 1994).source
- 199224 May – Burkinabe parliamentary election, 1992Burkina Fasosource
- 19928th - Jerry Rawlings Chairman of the Provisional National Defence Council (PNDC) accepts oaths to be sworn by government officials.Ghanasource
- 1992June 18 – Ireland votes for the Eleventh Amendment of the Constitution of Ireland to accept the Maastricht Treaty with a popular vote of over 69%.source
- 1992June 23 – The Israeli legislative election is won by the Israeli Labor Party under the leadership of Yitzhak Rabin, ousting a Likud government.source
- 1992July 19 – The Cabinet of Israel approves a freeze on new Israeli settlement in the occupied territories, a move expected to reinvigorate the Middle East Peace Process.source
- 1992July 31 – Georgia becomes the 179th member of the United Nations after seceding from the Soviet Union the previous year.source
- 1992August 24 – China and South Korea establish diplomatic relations.source
- 1992August 27 - abolition of the People's Republic of Angola and creation of the Republic of AngolaAngolasource
- 1992October 4 – The government of Mozambique signs the Rome General Peace Accords with leaders of RENAMO, ending the 16-year-old Mozambican Civil War.source
- 1992October 25 – Lithuania holds a referendum on its first constitution after declaring independence from the Soviet Union in 1990.source
- 1992October 28 – Hans-Adam II, Prince of Liechtenstein threatens to dissolve the Landtag of Liechtenstein and dismiss the government over disagreements regarding a referendum on Liechtenstein's accession to the European Economic Area.source
- 1992November 3 – In the 1992 United States presidential election, Democratic Arkansas governor Bill Clinton defeats Republican president George H. W. Bush and Independent Ross Perot.source
- 1992November 25 – In a national referendum related to abortion, voters in Ireland reject the proposed Twelfth Amendment of the Constitution Bill 1992 but approve the Thirteenth Amendment of the Constitution of Ireland and the Fourteenth Amendment of the Constitution of Ireland.source
- 1992December 21 – In Yugoslavia, President of Serbia Slobodan Milošević defeats Milan Panić in the Serbian presidential election.source
- 1992December 29 – Brazil's president Fernando Collor de Mello is found guilty on charges that he stole more than $32 million from the government, preventing him from holding any elected office for eight years. Collor resigns the presidency hours before the sentence to be passed by the Supreme Federal Court.source
- 1992The African Forum for Reconstruction was founded.Gabonsource
- 1993January 1 – Czechoslovakia ceases to exist, as the Czech Republic and Slovakia separate in the Dissolution of Czechoslovakia.source
- 1993January 7 – The Fourth Republic of Ghana is inaugurated, with Jerry Rawlings as president.source
- 1993January 13 – The Chemical Weapons Convention (CWC) is signed by President George H. W. Bush.source
- 1993January 20 – Bill Clinton and Al Gore are inaugurated as US President and Vice President.source
- 1993January 25 – Social Democrat Poul Nyrup Rasmussen succeeds Conservative Poul Schlüter as Prime Minister of Denmark.source
- 1993February 4 – Members of the right-wing Austrian Freedom Party of Austria split to form the Liberal Forum in protest against the increasing nationalistic bent of the party.source
- 1993February 7: the delimitation treaty between Senegal and Cape Verde was signedSenegalsource
- 199323 February - The Armed Forces of the Republic of Tajikistan is established by decree of Chairman Rahmon and February 23 is declared a national holiday.Tajikistansource
- 1993March 13 – 1993 Australian federal election: Paul Keating's Labor government is re-elected with an increased majority, defeating the Liberal/National Coalition led by John Hewson.source
- 1993March 27 – Following a rash of integrist murders (including those of foreigners), Algeria breaks diplomatic relations with Iran, accusing the country of interfering in its interior affairs.source
- 1993March 28 – 1993 French legislative election: Rally for the Republic (Gaullist party) wins a majority and Édouard Balladur becomes Prime Minister.source
- 199322nd - first nonpartisan district level elections held in 13 districts.Ghanasource
- 1993April 8 – The Republic of Macedonia is admitted to the United Nations under a provisional reference "the former Yugoslav Republic of Macedonia".source
- 199327 April – The country declared its independence from Ethiopia.Eritreasource
- 1993June 5 – The National Assembly of Venezuela designates Ramón José Velásquez as successor of suspended President Carlos Andrés Pérez.source
- 1993June 25 – Kim Campbell becomes the 19th, and first female, Prime Minister of Canada.source
- 1993August 4 - The Arusha Accords are signed between President Juvénal Habyarimana and leaders of the RPF in Arusha, Tanzania, ending the Rwandan Civil War.Rwandasource
- 199320 August – The first agreement in the Oslo Accords is signed in Oslo, between by Foreign Minister Shimon Peres for Israel, Mahmoud Abbas for the Palestine Liberation Organization and Secretary of State Warren Christopher for the United States.Palestinesource
- 199327 August – The Party for Democracy and Rally was founded by Daouda Bayili of the African Independence Party.Burkina Fasosource
- 1993August 28 – Ong Teng Cheong becomes the first President of Singapore elected by the population.source
- 19933 September – The Massandra Accords were signed between Ukraine and the Russian Federation as result of negotiations that took place in the Massandra Palace at Yalta.Ukrainesource
- 1993September 13 – Oslo I Accord: Following initially secret talks from earlier in the year, PLO leader Yasser Arafat and Israeli prime minister Yitzhak Rabin shake hands in Washington, D.C. after signing a peace accord.source
- 1993September 19 – 1993 Polish parliamentary election: A coalition of the Democratic Left Alliance and the Polish People's Party led by Waldemar Pawlak comes into power.source
- 1993October 25 – 1993 Canadian federal election: Jean Chrétien and his Liberal Party defeat the governing Progressive Conservative Party, which falls to a historic low of two seats.source
- 1993November 1 – The Maastricht Treaty takes effect, formally establishing the European Union.source
- 1993November 4 – Jean Chrétien becomes the 20th Prime Minister of Canada.source
- 1993December 5 – Rafael Caldera Rodríguez is elected President of Venezuela for the second time, succeeding interim president Ramón José Velásquez.source
- 1993December 5 – Omar Bongo is re-elected as President of Gabon in the country's first multiparty elections.source
- 19935 December – Omar Bongo wins the country's presidential election.Gabonsource
- 1993December 13 – Former Prime Minister of Canada Kim Campbell resigns as leader of the Progressive Conservative Party and is succeeded as leader by Jean Charest.source
- 1993December 13 – The Majilis of Kazakhstan approves the nuclear Non-Proliferation Treaty and agrees to dismantle the more than 100 missiles left on its territory by the fall of the USSR.source
- 1993December 17 – Brazil's Supreme Court rules that former President Fernando Collor de Mello may not hold elected office again until 2000 due to political corruption.source
- 1993December 30 – Representatives of Israel and the Holy See sign the Fundamental Agreement Between the Holy See and the State of Israel, preparing for the establishment of diplomatic relations.source
- 1994January 14 – U.S. president Bill Clinton and Russian president Boris Yeltsin sign the Kremlin accords, which stop the preprogrammed aiming of nuclear missiles toward each country's targets, and also provide for the dismantling of the nuclear arsenal in Ukraine.source
- 1994February 9 – The Vance–Owen peace plan for Bosnia and Herzegovina is announced.source
- 1994February – The People's Front for Democracy and Justice (PFDJ) was founded.Eritreasource
- 1994March 6 – A referendum in Moldova results in the electorate voting against possible reunification with Romania.source
- 1994March 27 – TV tycoon Silvio Berlusconi's right-wing coalition wins the Italian general election.source
- 1994April 2 – The National Convention of New Sudan of the SPLA/M opens in Chukudum.source
- 1994April 27 – South Africa holds its first fully multiracial elections, marking the final end of the last vestiges of apartheid. Nelson Mandela wins the elections and is sworn in as the first democratically elected president the following month.source
- 1994May 5 – The Bishkek Protocol between Armenia and Azerbaijan is signed in Bishkek, Kyrgyzstan, effectively freezing the Nagorno-Karabakh conflict.source
- 1994May 10 – Nelson Mandela is inaugurated as South Africa's first black president.source
- 1994June 15 – Israel and the Vatican establish full diplomatic relations.source
- 1994June 19 – Ernesto Samper is elected President of Colombia.source
- 1994June 30 – The Liberal Democratic Party in Japan regains power after spending 11 months in opposition, in coalition with the Japan Socialist Party.source
- 1994July 4 – The Hutu government is finally defeated by the Rwandan Patriotic Front, thus ending the genocide.Rwandasource
- 1994July 18 – Rwandan Patriotic Front troops capture Gisenyi, forcing the interim government into Zaire and ending the Rwandan genocide.source
- 1994July 25 – Israel and Jordan sign the Washington Declaration as a preliminary to signature on October 25 of the Israel–Jordan peace treaty, which formally ends the state of war that has existed between the nations since 1948.source
- 199416 August – 1994 Sri Lankan parliamentary election: The People's Alliance led by Chandrika Kumaratunga wins 105 seats, thus making it the largest party in the Parliament and bringing a decisive end to 17 years of United National Party rule.Sri Lankasource
- 1994Emmanuel Aboki Essien, representing the Grand Lodge of Ghana becomes the first black and African Imperial Grand President of the Orange Order.Ghanasource
- 1994October 1 – Palau gains independence from the United Nations Trusteeship Council.source
- 1994October 1 – In Slovakia, populist leader Vladimír Mečiar wins the general election.source
- 1994October 1994: Signing of the Agreed Framework between North Korea and the United States;North Koreasource
- 1994November 8 – "Republican Revolution": Georgia Representative Newt Gingrich leads the United States Republican Party in taking control of both the House of Representatives and the Senate in midterm congressional elections, the first time in 40 years the Republicans secure control of both houses of Congress. George W. Bush is elected Governor of Texas.source
- 199410 November – Iraq recognizes the Sovereignty of Kuwait and accepts its UN recognized borders in a bid to have the sanctions lifted.Iraqsource
- 1994November 13 – Voters in Sweden decide to join the European Union in a referendum.source
- 1994November 15 – 1994 Nepalese general election The CPN (UML) is elected with a minority government, becoming the first democratically elected Communist party in Asia.source
- 1994November 20 – The Angolan government and UNITA rebels sign the Lusaka Protocol.source
- 1994November 28 – Voters in Norway decide not to join the European Union in a referendum.source
- 1994December 1 – Ernesto Zedillo takes office as President of Mexico.source
- 1994December 2 – The Australian government agrees to pay reparations to indigenous Australians who were displaced during the nuclear tests at Maralinga in the 1950s and 1960s.source
- 1994December 3 – Taiwan holds its first full local elections: James Soong is elected as the first and only directly elected Governor of Taiwan; Chen Shui-bian becomes the first direct elected Mayor of Taipei; Wu Den-yih becomes the first directly elected Mayor of Kaohsiung.source
- 19945 December – The Budapest Memorandum on Security Assurances was signed at the OSCE conference in Budapest, Hungary.Ukrainesource
- 1994December 19 – Civil unions between same-sex couples are legalized in Sweden.source
- 19944 & 5 December – General elections were held in the country.Namibiasource
- 1995January 1 – Austria, Finland and Sweden join the European Union.source
- 1995February 25 – The Amazon Cooperation Treaty Organization (ACTO) (Organización del Tratado de Cooperación Amazónica [OTCA]) is formed.source
- 1995March 1 – Julio María Sanguinetti is sworn in as President of Uruguay for his second term.source
- 1995March 1 – Polish Prime Minister Waldemar Pawlak resigns from Parliament and is replaced by ex-communist Józef Oleksy.source
- 1995March 10 – Konstantinos Stephanopoulos was sworn in as President in the Hellenic Parliament and succeeding Konstantinos Karamanlis.Greecesource
- 1995May 7 – Jacques Chirac is elected president of France.source
- 1995May 11 – More than 170 countries agree to extend the Nuclear Nonproliferation Treaty indefinitely and without conditions.source
- 1995May 14 – The Dalai Lama proclaims 6-year-old Gedhun Choekyi Nyima as the 11th reincarnation of the Panchen Lama, but 3 days later the boy is detained by Chinese authorities and not seen again.source
- 1995May 20 – English football team Everton win the FA Cup, beating reigning champions Manchester United with a score of 1 – 0. A goal at 30 minutes by Paul Rideout secured the win for Everton their first major trophy in 8 years and also constituted their last title ever since.source
- 1995July 4 – Prime Minister of the United Kingdom John Major is re-elected as leader of the Conservative Party, ending an internal challenge to his position.source
- 1995July 11 – President Clinton announces the restoration of United States–Vietnam relations twenty years after the Vietnam War.source
- 199523 July – A constitutional referendum was held in the country.Gabonsource
- 199517 September - 1995 Hong Kong legislative election is held.Hong Kongsource
- 199528 September – The Oslo II Accord is officially signed at a public ceremony in Washington, DC by Israeli Prime Minister Yitzhak Rabin and Palestinian President Yasser Arafat and witnessed by US President Bill Clinton, which includes provision for the transfer of control of Bethlehem, Jenin, Nablus, Qalqilya, Ramallah, Tulkarm and some 450 villages to the Palestinian Authority.Palestinesource
- 1995September – The European Parliament elects the first European Ombudsman, Jacob Söderman, who takes up office this month.source
- 1995October 5 – Tansu Çiller of DYP forms the new government of Turkey (51st government), a minority government which lasts for less than a month.source
- 199515 October – The first Iraqi presidential referendum is held, asking Iraqis to vote on their approval of the government.Iraqsource
- 1995October 30 – Tansu Çiller of DYP forms the new government (52nd government) of Turkey.source
- 1995October 30 – Quebec independentists narrowly lose a referendum for a mandate to negotiate independence from Canada.source
- 199512 November - Adoption of Constitution of AzerbaijanAzerbaijansource
- 1995November 21 – The Dayton Agreement to end the Bosnian War is reached at Wright-Patterson Air Force Base near Dayton, Ohio, United States (signed December 14).source
- 1995November 28 – Twenty-seven nations sign the Barcelona Treaty, creating the Union for the Mediterranean.source
- 1995November – The Indian government officially renames the city of Bombay, restoring the name Mumbai.source
- 1995December 14 – The Dayton Agreement is signed in Paris, officially ending the Bosnian War.source
- 19957th - Presidential and parliamentary elections held.Ghanasource
- 1995Mekong River Commission created with Cambodia, Laos, Vietnam and Thailand as the membersLaossource
- 1996February 5 – The Congress for Democracy and Progress (CDP) was founded.Burkina Fasosource
- 1996March 2 – 1996 Australian federal election: The Liberal/National Coalition led by John Howard defeats the Labor government led by Prime Minister Paul Keating. Howard was sworn in on March 11.source
- 1996March 3 – José María Aznar, leader of the Popular Party, is elected as Prime Minister of Spain, replacing Felipe González.source
- 1996March 6 – Mesut Yılmaz of ANAP forms the new government of Turkey (53rd government).source
- 1996March 22 – Sweden's Finance Minister Göran Persson becomes the new Prime Minister of Sweden.source
- 1996April 9 – In a common statement, the European Union officially recognises the Federal Republic of Yugoslavia.source
- 1996April 21 – A general election in Italy proclaims a new center-left government headed by Romano Prodi, replacing Silvio Berlusconi.source
- 1996April 24 – At the urging of Yasser Arafat, the Palestine Liberation Organization drops its clause in Palestinian National Covenant calling for the removal of Israel (→ Legitimacy of the State of Israel). The Israeli government responds by dropping a similar clause concerning the existence of Palestine.source
- 1996April 26 – Shanghai Five group, predecessor of the Shanghai Cooperation Organisation, is created with the signing of the Treaty on Deepening Military Trust in Border Regions in Shanghai by the heads of states of China, Kazakhstan, Kyrgyzstan, Russia and Tajikistan.source
- 1996May 9 – South Africa's National Party pulls out of the coalition government formed two years earlier, and the African National Congress assumes full political control.source
- 199626 May – Democratic Rally won 20 of the 56 seats in the parliament following parliamentary elections. Voter turnout was 92.9%.Cyprussource
- 1996May 28 – Albania's general election of May 26 is declared unfair by international monitors, and the ruling Democratic Party under President Muhannad Ibrahim is charged by the Organization for Security and Co-operation in Europe with rigging the elections. Several hundred protestors gather in Tirana to demonstrate against the election result.source
- 1996May 30 – The Likud Party, led by Benjamin Netanyahu, wins a narrow victory in the Israeli general election.source
- 1996June 1–3 – The Czech Republic's first general election ends inconclusively. Prime Minister Václav Klaus and his incumbent Civic Democratic Party emerge as the winners, but are unable to form a majority government. President Václav Havel refuses to invite Klaus to form a coalition.source
- 1996June 28 – A new government is formed in Turkey, with Necmettin Erbakan of Refah Partisi becoming Prime Minister of the coalition government, and Deputy/Foreign Minister Tansu Çiller of the True Path Party succeeding him after two years.source
- 1996June 30 – Bosnian Serb leader Radovan Karadžić relinquishes power to his deputy, Biljana Plavšić.source
- 1996June 30 – Costas Simitis is elected president of the Panhellenic Socialist Movement of Greece.source
- 1996July 3 – Boris Yeltsin is re-elected as President of Russia after the second round of elections.source
- 1996July 19 – Bosnian Serb President Radovan Karadžić resigns from public office in Republika Srpska after being indicted for war crimes.source
- 1996The Indian government officially renames the city of Madras, restoring the name Chennai.source
- 1996September 13 – Alija Izetbegović is elected President of Bosnia and Herzegovina in the country's first election since the Bosnian War.source
- 1996September 14 – 1996 Bosnian general election took place.Bosnia and Herzegovinasource
- 1996September 22 – The Panhellenic Socialist Movement under the leadership of Costas Simitis succeeds in the 1996 Greek legislative election.source
- 1996September 22: Levon Ter-Petrosyan wins the presidential elections in Armenia.Armeniasource
- 1996September 24 – U.S. president Bill Clinton signs the Comprehensive Nuclear-Test-Ban Treaty at the United Nations.source
- 1996October 4 – In Almaty, Kazakhstan, Russia and four other Central Asian countries adopted a declaration expressing concern regarding the conflict in Afghanistan, assessing it as a direct threat to the Commonwealth of Independent States.Afghanistansource
- 1996November 5 – 1996 United States presidential election: Incumbent Democratic President Bill Clinton defeats his Republican challenger, Bob Dole and Reform Party candidate Ross Perot.source
- 1996November 18 – 1996 Zambian general election: Frederick Chiluba is re-elected President.Zambiasource
- 1996December 11 – Tung Chee-hwa is appointed to become the new leader of Hong Kong after it reverts to Chinese rule on July 1, 1997, at the end of a 99-year lease to the United Kingdom.source
- 1996December 29 – Guatemala and the leaders of the Guatemalan National Revolutionary Unity sign a peace accord that ends the 36-year Guatemalan Civil War.source
- 19967th - Presidential and parliamentary elections held.Ghanasource
- 199615 & 29 December – Parliamentary elections were held in the country.Gabonsource
- 19977 January - John Atta Mills is sworn in as Vice President of Ghana.Ghanasource
- 1997January 19 – Yasser Arafat returns to Hebron after more than 30 years, and joins celebrations over the handover of the last Israeli-controlled West Bank city. (→ Hebron Agreement)source
- 1997January 23 – Madeleine Albright becomes the first female Secretary of State of the United States, after confirmation by the United States Senate.source
- 1997February 2 – 1997 Liechtenstein general election: The Patriotic Union remains the largest party and wins a majority of 13 seats in the Landtag.source
- 1997March 21 – In Zaire, Étienne Tshisekedi is appointed prime minister; he ejects supporters of Mobutu Sese Seko from his cabinet.source
- 1997April 29 – The Organisation for the Prohibition of Chemical Weapons (OPCW), CWC treaty enters into force.source
- 1997May 1 – Tony Blair becomes Prime Minister of the United Kingdom, as the Labour Party wins the 1997 United Kingdom general election and returns to government for the first time in 18 years.source
- 199711 May: Burkinabe parliamentary election, 1997Burkina Fasosource
- 1997May 16 – First Congo War ends when president Mobutu Sese Seko is exiled from Zaire.source
- 1997May 23 – Mohammad Khatami wins the 1997 Iranian presidential election and becomes the first Iranian Reformist president.source
- 199728 May – The Partition Treaty on the Status and Conditions of the Black Sea Fleet was signed between Russia and Ukraine.Ukrainesource
- 199729 May – Legislative electionsIndonesiasource
- 1997June 1 – Socialist Party-led Centre-left coalition won the second-round in 1997 French legislative elections, began with the third Cohabitation (1997–2002).source
- 1997June 5 – Algerian legislative elections, 1997Algeriasource
- 1997June 11 – In the United Kingdom, the House of Commons votes for a total ban on handguns.source
- 1997June 26 – Bertie Ahern is appointed as the 10th Taoiseach of the Republic of Ireland and Mary Harney is appointed as the 16th, and first female, Tánaiste, after their parties, Fianna Fáil and the Progressive Democrats respectively, win the 1997 General Election.source
- 1997July 1 – The United Kingdom hands sovereignty of the British colony in Hong Kong to the People's Republic of China.source
- 1997July 8 – NATO invites the Czech Republic, Hungary, and Poland to join the alliance in 1999.source
- 1997July 9–12: President Glafcos Clerides and his Turkish counterpart Rauf Denktaş held face-to-face talks with each other under U.N. auspices at Troutbeck, New York.Cyprussource
- 1997July 25 – K. R. Narayanan is sworn in as India's 10th president and the first member of the Dalit caste to hold this office.source
- 1997August 3–11 – Two of the three islands of the Union of the Comoros – Anjouan and Mohéli – attempt to revert to colonial rule by France. The plan fails when the French government of President Jacques Chirac refuses to recolonize them, resulting in the two islands being reintegrated into the Comoros over the next two years.source
- 1997August 26 – The Independent International Commission on Decommissioning is set up in Northern Ireland, as part of a peace process.source
- 1997September 11 – Scotland votes in favour of a devolved Parliament, forming the Scottish Parliament less than two years later.source
- 1997September 15 – The Norwegian parliamentary election is held in Norway.source
- 1997September 18 – Wales votes in favour of devolution and the formation of a National Assembly for Wales.source
- 1997November 12 – Mary McAleese is elected the eighth President of Ireland in succession to Mary Robinson, the first time in the world that one woman has succeeded another as elected head of state.source
- 1997December 3 – In Ottawa (Canada) representatives from 121 countries sign a treaty prohibiting the manufacture and deployment of anti-personnel land mines. However, the United States, the People's Republic of China, Russia, South Korea and 32 other nations do not ratify the treaty.source
- 1997December 10 – The capital of Kazakhstan is moved from Almaty to Astana.source
- 1997December 11 – The Kyoto Protocol is adopted by a United Nations committee.source
- 1997December 19 – Janet Jagan (widow of Cheddi Jagan) takes office in Guyana.source
- 1997December 25 - Hussein Mohamed Aidid and Former President Ali Mahdi Mohamed sign a power sharing pact to discuss forming Somalia's first central government for six years in the next two months.Somaliasource
- 1997A revised version of the Constitution of Eritrea was introduced to the National Assembly.Eritreasource
- 199829 January – 1998 Sri Lankan local elections: Local government elections are held in Sri Lanka for 17 local authorities in the Jaffna Peninsula, in the north of the country.Sri Lankasource
- 1998February 20 – Iraq disarmament crisis: Iraqi President Saddam Hussein negotiates a deal with U.N. Secretary General Kofi Annan, allowing weapons inspectors to return to Baghdad, preventing military action by the United States and United Kingdom.source
- 1998March 11 – 1998 Danish general election: Prime Minister Poul Nyrup Rasmussen is re-elected.source
- 1998March 21 – The European Union announces an arms embargo against Serbia and Montenegro.source
- 1998March 29 – 1998 Ukrainian parliamentary electionUkrainesource
- 1998March 30 – Hungary begins European Union accession talks.source
- 1998March 31 – Quett Masire voluntarily steps down as President of Botswana after 18 years in office.source
- 1998April 10 – Good Friday Agreement: An hour after the end of the talks deadline, the Belfast Agreement is signed between the Irish and British governments and most Northern Ireland political parties, with the notable exception of the Democratic Unionist Party. This would mostly put an end to the conflict known as The Troubles.source
- 1998May 21 – Suharto (elected 1967) resigns after 31 years as President of Indonesia, effectively ending the New Order period. It is his 7th consecutive re-election by the Indonesian Parliament (MPR). Suharto's hand-picked Vice President, B. J. Habibie, becomes Indonesia's third president.source
- 199821 May – Fall of Suharto: Suharto resigns as president.Indonesiasource
- 1998June 18 - President of the Republic Arpad Göncz asks Viktor Orban to form the new Government.Hungarysource
- 1998June 30 – Philippine Vice President Joseph Estrada is sworn in as the 13th President of the Philippines.source
- 1998July 17 – Rome Statute: at a conference in Rome, 120 countries vote to create a permanent International Criminal Court to prosecute individuals for genocide, crimes against humanity, war crimes, and the crime of aggression.source
- 1998August 1 – Puntland State leaders in Somalia declare the territory an autonomous state; the capital is the city of Garoowe in the Nugal region.source
- 199829 September – The Kurdish civil war officially ends with the signing of the Washington agreement.Iraqsource
- 1998October 1 – Europol is established when the Europol Convention signed by all of its member states comes into force.source
- 1998October 3 – 1998 Australian federal election: John Howard's Liberal/National Coalition government is re-elected with a substantially reduced majority, defeating the Labor Party led by Kim Beazley.source
- 1998October 13 - Rebels say they have taken the government stronghold of Kindu.Democratic Republic of the Congosource
- 1998October 20 – Boris Yeltsin announces he will not seek reelection in 2000.source
- 1998December 1 – Ireland formally relinquishes its territorial claim over Northern Ireland and recognizes the United Kingdom's sovereignty there.source
- 1998December 6 – Hugo Chávez, politician and former officer of the Venezuelan army, is elected President of Venezuela.source
- 19986 December – Presidential elections were held in the country.Gabonsource
- 1998December 19 – The U.S. House of Representatives forwards articles of impeachment against President Clinton to the Senate, making him the second president to be impeached in U.S. history.source
- 1998December 19 – Lewinsky scandal: President Bill Clinton is impeached by the United States House of Representatives. (He was later acquitted.)United Statessource
- 1998The UN and the Taliban movement sign an agreement paving the way for the return of UN international staff to Afghanistan.Afghanistansource
- 1999January 1: Fernando Henrique Cardoso begins his second term as president of Brazil.Brazilsource
- 1999January 1 - ECOMOG succeeds in the battle with rebels in Port Loko.Sierra Leonesource
- 1999January 10 – Nursultan Nazarbayev was sworn in for another term following a victory in the presidential election.Kazakhstansource
- 199929 January – United Nations Security Council resolution 1226 was adopted unanimously and strongly urged the country to accept an agreement proposed by the Organisation of African Unity (OAU) to resolve the conflict between the country and Ethiopia.Eritreasource
- 1999February 10 — Former Head of State, Olusegun Obasanjo wins the presidential election.Nigeriasource
- 1999March 12 – Former Warsaw Pact members Hungary, Poland, and the Czech Republic join NATO.source
- 1999April 1 – Nunavut, an Inuit homeland, is created from the eastern portion of the Northwest Territories to become Canada's third territory.source
- 19997 April – President Spyros Kyprianou flew to Belgrade to help with the negotiations for the release of the three American soldiers detained by Serbia.Cyprussource
- 1999April 26 – Sultan Salahuddin of Selangor becomes the 11th Yang di-Pertuan Agong of Malaysia.source
- 1999April 30 – Cambodia joins the Association of Southeast Asian Nations (ASEAN), bringing the total members to 10.source
- 1999May 12 – David Steel becomes the first Presiding Officer (Speaker) of the modern Scottish Parliament.source
- 1999May 13 – Carlo Azeglio Ciampi is elected President of Italy.source
- 1999May 17 – Ehud Barak is elected prime minister of Israel.source
- 1999May 23 - A nationwide constitutional referendum; Local elections take place.Moldovasource
- 1999May 29 – Nigeria terminates military rule, and the Fourth Nigerian Republic is established with Olusegun Obasanjo as president.source
- 1999May – General elections were held from 3 to 17 May.Nepalsource
- 1999June 9 – Kosovo War: Yugoslavia and NATO sign a peace treaty to end their hostilities.source
- 1999June 16 – Thabo Mbeki is inaugurated as the second president of South Africa, marking the first peaceful transfer of executive power in the country's post-democratization history.source
- 1999July 23 – Mohammed VI of Morocco becomes king upon the death of his father Hassan II.source
- 1999September 12 – Under international pressure to allow an international peacekeeping force, Indonesian president BJ Habibie announces that he will do so.source
- 1999September 14 – Kiribati, Nauru and Tonga join the United Nations.source
- 199931 October – The first round of presidential elections were held in the country, with a second round held on 14 November. The result was a victory for Leonid Kuchma, who defeated Petro Symonenko in the run-off.Ukrainesource
- 1999November 6 – Australians defeat a referendum proposing the replacement of the Queen and the Governor General with a President to make Australia a republic.source
- 1999November 23 – The National Assembly of Kuwait revokes a 1985 law that granted women's suffrage.source
- 1999November 27 – The centre-left Labour Party takes control of the New Zealand Government, with leader Helen Clark becoming the second female Prime Minister in New Zealand's history.source
- 1999December 20 – Handover of Macau: the Portuguese Republic transfers administration of Macau to the People's Republic of China after 442 years of Portuguese rule in the settlement.source
- 1999December 31 – With the Torrijos–Carter Treaties being put into effect on this day, Panama gains full control of the Canal.source
- 1999December 31 – Boris Yeltsin resigns as President of Russia, leaving Prime Minister Vladimir Putin as the acting president until a new election can be held.source