Geopolitics & Diplomacy in the 15th century
482 sourced entries, 1400 CE to 1499 CE, oldest first. Also see Geopolitics & Diplomacy across every century or everything else in the 15th century.
- 1400March 23 – Five-year-old Trần Thiếu Đế is forced to abdicate as ruler of Đại Việt (modern-day Vietnam), in favour of his maternal grandfather and court official Hồ Quý Ly, ending the Trần dynasty after 175 years and starting the Hồ dynasty. Hồ Quý Ly subsequently changes the country's name to Đại Ngu.source
- 1400August 21 – Rupert, Count Palatine of the Rhine, is elected as King of the Romans.source
- 1400September 16 – Owain Glyndŵr is proclaimed Prince of Wales by his followers, and begins attacking English strongholds in northeast Wales.source
- 1400Jean Froissart completes his Chronicles, detailing the events of the 14th Century in France.source
- 1400Prince Parameswara establishes the Malacca Sultanate, in present-day western Malaysia and northern Sumatra.source
- 1400In modern-day Korea, King Jeongjong of Joseon abdicates in fear of an attack by his ambitious younger brother, Taejong. Taejong succeeds to the throne.source
- 1401January 12 – Emperor Hồ Quý Ly of Dai Ngu (now Vietnam) passes the throne to his son, Hồ Hán Thương.source
- 1401January 20 – The Parliament of England is opened at Westminster by King Henry IV.source
- 1401February 3 – The Byzantine Emperor Manuel II Palaiologos, who has spent almost two months in England as the guest of King Henry IV, accepts a payment of 3,000 English gold marks in support of an alliance between the two nations, then makes plans to depart England for France.source
- 1401June – The English Pale in Ireland is reduced to Dublin, County Kildare, County Louth, and County Meath.source
- 1401October 14 – Sultan Nasir-ud-Din Mahmud Shah Tughluq of Delhi is restored to power.source
- 1401Japan re-enters into a tributary relationship with China.source
- 1401Dilawar Khan establishes the Malwa Sultanate in present-day northern India.source
- 1401The Joseon dynasty in present-day Korea officially enters into a tributary relationship with Ming dynasty China.source
- 1402August 15 – King Enrique III of Castile and León (comprising most of Spain) signs a peace treaty with his brother-in-law, King João I of Portugal, ending fighting that began in 1396. The wives of the two kings, Catherine of Lancaster and Philippa of Lancaster respectively, are sisters.source
- 1402September 30 – The new session of the English Parliament is opened by King Henry IV and lasts for almost two months.source
- 1402October 1 – The House of Commons of England is opened at Coventry by King Henry IV, whose Lord Chancellor asks the members to pass a tax to support an offensive war against Scotland, enemies of Wales, Ireland and for defending the Marches of Guienne and Calais. Henry Redford is elected Speaker of the House.source
- 1402November 5 – The Republic of Genoa resumes control of Monaco, deposing Louis Grimaldi. Genoese control lasts for more than 16 years.source
- 1402November 25 – The fourth parliament of King Henry IV of England closes at Westminster after two months and the passage of new laws, including the penal Laws against Wales which stop the Welsh from gathering together, obtaining office, carrying arms and living in English towns. The laws apply to any Englishman who marries a Welsh woman.source
- 1402Conchobar an Abaidh mac Maelsechlainn O Cellaigh succeeds Maelsechlainn mac William Buidhe O Cellaigh, as King of Uí Maine in modern-day County Galway and County Roscommon in Ireland.source
- 1402The Republic of Genoa regains control of Monaco.source
- 1403January 23 – The Yongle Era in China begins with the first day of the Chinese New Year, six months after King Zhu Di of the Yan State arrived at Nanjing, deposed the southern Chinese Emperor Zhu Yun Wen, and proclaimed himself as the Emperor Cheng Zu.source
- 1403February 20 – Signing of the Treaty of Gallipoli is completed as Süleyman Çelebi makes wide-ranging concessions to the Byzantine Empire and other Christian powers, in the southern Balkans.source
- 1403Jan Hus begins preaching Wycliffite ideas in Bohemia.source
- 1403Maolmhordha mac Con Connacht succeeds Giolla Iosa mac Pilib, as King of East Breifne, in present-day counties Leitrim and Cavan.source
- 1403Tadhg Ruadh mac Maelsechlainn O Cellaigh succeeds Conchobar an Abaidh mac Maelsechlainn O Cellaigh, as King of Hy-Many, in present-day counties Galway and Roscommon.source
- 1403Georgia makes peace with Timur, but has to recognise him as a suzerain and pay him tribute.source
- 1403Stefan Lazarević establishes Belgrade, as the capital of the Serbian Despotate.source
- 1404January 14 – The fourth Parliament of King Henry IV of England opens for a session of two months.source
- 1404March 20 – As the English Parliament adjourns, King Henry IV gives royal assent to acts that have passed, including the Multipliers Act, which declares "It shall be felony to use the craft of multiplication of gold or silver.", prohibiting any alchemists who has actually may have discovered how to perform transmutation of other substances into precious metals. The law remains in force until repealed 284 years later.source
- 1404May 22 – The Peace of Raciążek treaty is signed by the representatives of King Władysław II Jagiełło of Poland, by the Grand Duke Vytautas of Lithuania, and by the Teutonic Knights.source
- 1404June 14 – Welsh rebel leader Owain Glyndŵr enters an alliance with the French against the English. He has begun to hold parliamentary assemblies (first on May 10 at Dolgellau).source
- 1404July 27 – In Southern India, Bukka Raya II becomes the new ruler of the Vijayanagara Empire in what are the modern-day Indian states of Karnataka, Andhra Pradesh, Tamil Nadu and Kerala.source
- 1404October 16 – The 5th Parliament of King Henry IV of England (summoned August 25), nicknamed "The Unlearned Parliament" because Henry refuses to allow lawyers to sit, opens for a four week session in Coventry, closing on November 13.source
- 1404Jean de Béthencourt becomes the first ruler of the Kingdom of the Canary Islands.source
- 1404Ruaidri Caech MacDermot succeeds Conchobair Óg MacDermot as King of Magh Luirg, in what later becomes northeast Connacht, Ireland.source
- 1404Wallachia reaches its maximum extent under Mircea cel Bătrân.source
- 1404Stephan Tvrtko II succeeds Stefan Ostoja as King of Bosnia.source
- 1404Peace is declared between Lithuania and the Teutonic Knights, after they agree to exchange land and form an alliance against Muscovy.source
- 1404Narayana Ramadhipati succeeds Ponthea Yat as King of Cambodia.source
- 1405April 11 – The three sons of Philip the Bold—John the Fearless, Philip II, and Anthony— agree at Arras to partition the Burgundian lands of their father between themselves, with John to retain Flanders, Philip to take the County of Nevers, and Anthony to retain Rethel as well to purchase the Duchy of Brabant from John.source
- 1405November 17 – The Sultanate of Sulu is established on the Sulu Archipelago, off the coast of Mindanao in the Philippines.source
- 1405December 21 – King Henry IV of England summons the members of the "Long Parliament", the sixth session of the English House of Commons and the House of Lords, to assemble at Westminster on "March 1, 1405", the "old style" date for March 1, 1406.source
- 1406February 26 – The Scottish Parliament issues a proclamation that during meetings of the body "a lighted lantern is to be hung outsideeach house every night in the high streets and lanes."source
- 1407May 8 – The Earl of Somerset resigns as Admiral of the North and West of the English Navy. The office will remain vacant until assumed by Thomas Beaufort, Duke of Exeter on September 21, 1408.*source
- 1407October 20 – The English Parliament is opened at Gloucester after being summoned on August 26 by King Henry IV, and is marked by arguments between the House of Lords and the House of Commons over primacy and initiation of money bills.source
- 1407November 20 – A solemn truce is agreed upon between John the Fearless, Duke of Burgundy and Louis I, Duke of Orléans under the auspices of John, Duke of Berry.source
- 1407December 2 – The English Parliament closes after having met for six weeks.source
- 1408Gotland passes under Danish rule.source
- 1408Mihail I becomes co-ruler of Wallachia, with his father Mircea cel Bătrân.source
- 1409July 9 – The Republic of Venice, led by the Doge Michele Steno, gains control of both sides of the Adriatic Sea by purchasing the Dalmatian coast (bordered in modern times by Slovenia and Croatia) from King Ladislaus the Magnanimous, ruler of the Kingdom of Naples for 100,000 ducats, or 350 kilograms of gold.source
- 1409October 26 – Representatives of the Venetian Republic (in modern-day Italy) and the Principality of Zeta (part of modern-day Serbia) sign a peace treaty to halt the First Scutari War for one year.source
- 1409October 26 – King Henry IV of England summons the English Parliament to assemble, starting on January 27.source
- 1409Ulugh Beg becomes governor of Samarkand.source
- 1409Grand Master Ulrich von Jungingen of the Teutonic Knights guarantees peace with the Kalmar Union of Scandinavia by selling the Baltic Sea island of Gotland to Queen Margaret of Denmark, Norway and Sweden.source
- 1410January 27 – The 8th Parliament of King Henry IV of England is opened, with Thomas Chaucer as Speaker of the House of Commons.source
- 1410May 9 – The English Parliament closes its session for the year, and royal assent is given by King Henry IV to various acts, including the Sealing of Cloths Act 1409 and the Unlawful Games Act.source
- 1410August 29 – The Duchy of Pomerania-Stargard is submitted by Bogislaw VIII, the Duke of Pomerania, to become a fiefdom within the Kingdom of Poland, led by King Wladyslaw II. In return, Bogislaw receives Lauenburg and Bütow Land as well as Człuchów, Biały Bór, Debrzno, Świdwin and Czarne.source
- 1410October 1 – A different set of electors— Friedrich III. von Saarwerden, Elector of Cologne; Johann II von Nassau, Elector of Mainz and Rudolf III, Elector of Saxony elects Jobst of Moravia as their choice for the King of the Romans. The conflict will remain unresolved for another four years.source
- 1410December 10 – The Teutonic Council, led by the Grand Master Heinrich von Plauen, and King Jogalia of Poland and Duke of Lithuania enter into a 32-day truce.source
- 1411March 4 – Gujarat Sultan Ahmen Shah I declares the new city of Ahmedabad to be the new Gujarat capital.source
- 1411April 1 – Carlo I Tocco arrives at Ioannina in Greece to become the new ruler of the former Byzantine state, the Despotate of Epirus.source
- 1411April 13 – Sandalj Hranić, Duke of Bosnia, sells the Croatian coastal town of Ostrovica to the Republic of Venice, giving the Venetians further control of the Dalmatian Coast and both sides of the Adriatic Sea.source
- 1411July 21 – Sigismund is formally elected unanimously as King of the Romans by the seven electors of the Holy Roman Empire present.source
- 1411September 3 – The Treaty of Selymbria is concluded between the Ottoman Empire and the Republic of Venice.source
- 1411September 21 – King Henry IV of England calls his ninth parliament.source
- 1411November 3 – The English Parliament is assembled after being summoned by King Henry IV, and again elects Thomas Chaucer as Speaker of the House of Commons.source
- 1411November 24 – The Swiss canton of Appenzell enters into an alliance with most of the cantons of the Swiss Confederacy.source
- 1412March 15 – Treaty of Lubowla: After the Peace of Thorn (1411), Grand Master of the Teutonic Order Heinrich von Plauen asks Sigismund of Hungary for economic aid. Sigismund agrees to mediate reduction to the third installment, demarcation of the Samogitian border, and other matters, with a grand tournament. Hunts and lavish feasts are also organized. Sigismund invites, among others, Polish king Wladyslaw Jagiello, Heinrich von Plauen and Bosnian king Tvrtko II. There are people from 17 countries and languages - 40,000 nobles and 2000 knights are present from all over Europe, including England.source
- 1412March 29 – Compromise of Caspe: Nine delegates are chosen in Spain in the town of Caspe to arrive at an agreement to resolve the question of which of six relatives of the late King Martin on May 31, 1410 should be the new King of Aragon.source
- 1412May 18 – The Treaty of Bourges is signed between King Henry IV of England and Charles, Duke of Orléans, as the Armagnacs offer England full sovereignty over Aquitaine and Gascony in return for 4,000 troops and military aid against the Burgundians and John the Fearless.source
- 1412September 3 – King Ferdinand I of Aragon is declared Count of Barcelona.source
- 1412October 5 (29th day of 8th month Ōei 19) – Emperor Go-Komatsu abdicates, and Emperor Shoko accedes to the throne of Japan.source
- 1412December 1 – King Henry IV of England issues a summons of the English Parliament for his final time, directing the members of Commons and the House of Lords to assemble on February 3.source
- 1413March 22 – King Henry V summons the English Parliament to meet at Westminster beginning on May 14.source
- 1413March 27 – The Republic of Genoa regains its independence after having been a territory of the Kingdom of France since 1396, and Giorgio Adorno is elected as the Doge for life. He will die after slightly less than two years in office.source
- 1413May 14 – The first Parliament of King Henry V assembles at Westminster.source
- 1413June 9 – Parliament closes in England as royal assent is given by King Henry V to acts passed during the session, including the Corn Measure Act 1413 and the Parliamentary Elections Act 1413 that sets regulations for the qualification of men to be elected to the House of Commons.source
- 1413September 5 – The "Ordonnance cabochienne" is repealed by the French government and King Charles's powers are restored.source
- 1413October 2 – The Kingdom of Poland and Grand Duchy of Lithuania sign the Union of Horodło.source
- 1413November 19 – The alliance between the Margraviate of Brandenburg and the Duchy of Pomerania-Wolgast against the Duchy of Pomerania-Stettin is renewed.source
- 1413December 1 – King Henry V of England summons the English Parliament to assemble on April 30 at Westminster.source
- 1413The Annals of the Joseon Dynasty begin in Korea.source
- 1414April 30 – The second English Parliament of King Henry V opens at Westminster and Walter Hungerford is elected as Speaker of the House of Commons.source
- 1414May 29 – The English Parliament closes its session after 29 days, and King Henry V gives royal assent to numerous laws.source
- 1414November 19 – The Third Parliament of King Henry V of England opens at Westminster and passes numerous laws, including the Suppression of Heresy Act 1414, the Riot Act 1414, and the Safe Conducts Act 1414.source
- 1415January 30 – (19th day of 12th month Ōei 21) Shoko is formally enthroned as the new Emperor of Japan, more than two years after the abdication of his father, the Emperor Go-Komatsu.source
- 1415February 22 – King Charles VI of France and John the Fearless, Duke of Burgundy, sign the Treaty of Arras.source
- 1415August 21 – Conquest of Ceuta: Portugal conquers the city of Ceuta from the Moors, initiating the Portuguese Empire, and European expansion and colonialism.source
- 1415November 4 – The English Parliament is opened by King Henry V for an 8-day session.source
- 1415November 12 – The English Parliament is closed after accomplishing the passage of the Money Act 1415, upgrading the penalty for importing or offering in payment "any sort of money forbidden by former statutes" to a felony.source
- 1415December 16 – The Treaty of Eberswalde is signed between Pomerania-Stettin (ruled by Otto II and Casimir V) and Brandenburg (ruled by the Elector Frederick I), temporarily ending the Uckermark War between the two duchies. In return for payment by Brandenburg, Pomerania-Stettin gives up Uckermark, Boitzenburg and Zehdenick.source
- 1415The Swiss Confederation takes the territory of Aargau from the house of Habsburg.source
- 1416January 21 – King Henry V summons the English Parliament to meet on March 16.source
- 1416January 27 – The Republic of Ragusa is the first state in Europe to outlaw slavery.source
- 1416February 9 – Sigismund, King of Germany, creates the independent Duchy of Savoy with Count Amadeus the Peaceful becoming the first Duke of Savoy and taking the regnal title Amadeus VIII.source
- 1416March 1 – Sigismund arrives in Paris to reach an agreement with the French government, but is unable to because of difficulty in reaching a conclusion satisfactory to both its Orleanist and Burgundian factions.source
- 1416July 16 – Following the Venetian Navy triumph over the Ottomans at Gallipoli, Dolfino Venier, the Republic of Venice's ambassador to the Ottoman Empire, reaches an agreement with the Ottoman Sultan Mehmed I to begin discussing a treaty.source
- 1416August 15 – Sigismund, King of Germany, and King Henry V of England conclude the Treaty of Canterbury, an alliance of the two nations against France.source
- 1416September 3 – King Henry V summons the English Parliament for the third time in less than a year, directing the MPs to assemble on October 19.source
- 1416October 19 – The English Parliament is opened by King Henry V. The House of Commons elects Roger Flower as its Speaker.source
- 1417June 24 – The earliest extant description of Tynwald Day; the annual meeting of the Isle of Man's parliament (Tynwald) is written down in law. Its first recorded use for the promulgation of laws dates to 24 June 1417, when Sir John Stanley presided.source
- 1417August 12 – King Henry V of England begins using the English language in correspondence back to England from France, where he is leading a campaign, marking the beginning of this king's continuous usage of English in prose, and the beginning of the restoration of English as an official language for the first time since the Norman Conquest, some 350 years earlier.source
- 1417October 5 – King Henry V of England summons the English Parliament to assemble on November 16.source
- 1417November 16 – The English Parliament opens at Westminster for a 31-day session and re-elects Roger Flower as Speaker of the House of Commons.source
- 1417December 17 – The English Parliament closes and King Henry V gives royal assent to its one major law, the Attorney Act 1417, which provides that "All persons until the next parliament may make their attornies in wapentakes, hundreds, and court barons."source
- 1418April 15 – The delegates from France and Germany sign the Concordats.source
- 1418July 12 – England approves and signs the Concordats of Constance.source
- 1418August 10 – King Taejong, ruler of the kingdom of Joseon that encompasses most of Korea, agrees to abdicate his throne in order for his son Prince Yi Do to become the new monarch. Taejong then becomes the King Emeritus (Sangwang).source
- 1418October 2 – Sim On is appointed as the new Chief State Councillor of Korea (Yeonguijeong) by the new monarch, King Sejong, but is only in power for three months before being arrested and subsequently executed.source
- 1418October 30 – The Byzantine Empire and the Republic of Venice sign a treaty of commerce.source
- 1418November 21 – Brandenburg–Pomeranian conflict: In Germany, the Treaty of Ueckermünde is signed by the Dukes of Pomerania-Stettin (Otto II and Casimir V) with the Dukes of Mecklenburg-Schwerin (Albert V), Mecklenburg-Werle (Lord Christopher) and Mecklenburg-Stargard (John III) to ally against the Electorate of Brandenburg, ruled by the House of Hohenzollern elector Friedrich Isource
- 1419March 19 – (26 Muharram 822 AH) Sultan al-Malik al-Nāsir of Yemen presents a set of Yemeni gifts for the Chinese envoy to Aden to take back to China's Emperor Cheng Zu, after having received gifts from the Chinese in January.source
- 1419May 14 – The Treaty of Torun ends the war between the Teutonic Knights and the Polish and Lithuanian Kingdom.source
- 1419August 24 – King Henry V of England directs the members of the House of Commons and the House of Lords to assemble at Westminster by October 16.source
- 1419October 16 – The first session, in almost two years, of the English Parliament is opened by King Henry V. The House of Commons re-elects Roger Flower as its speaker.source
- 1419November 7 – The Ottoman–Venetian peace treaty ends four years of conflict, by recognizing Venetian possessions in the Aegean and the Balkans.source
- 1419November 13 – The 1419 session of the English Parliament closes after four weeks.source
- 1420May 21 – Treaty of Troyes: With the Burgundian faction dominant in France, King Charles VI of France acknowledges Henry V of England as his heir, and as virtual ruler of most of France.source
- 1420October 21 – King Henry V summons the English Parliament, directing its members to assemble at Westminster on December 2.source
- 1420December 2 – The 9th Parliament of King Henry V of England is opened at Westminster, and selects Roger Hunt as Speaker of the House of Commons.source
- 1421March 17 – 12 Rabi al-Awwal 824 AH: Ibrahim ibn Hasan ibn Ajlan and his brother Barakat ibn Hasan are confirmed by the Mamluk Egyptian Sultan Al-Muzaffar Ahmad as co-Emirs of Mecca.source
- 1421July 2 – At Erciş in what is now Turkey, Iskandar ibn Yusuf is crowned as the Sultan of Qara Qoyunlu, a kingdom encompassing what are now eastern Turkey, northwestern Iran and northern Iraq, northern Armenia and all of Azerbaijan.source
- 1421September 28– A treaty is signed at Vienna between Sigismund, King of Hungary, Croatia, Bohemia and Germany and Albert V, Duke of Austria for Sigismund's daughter Elizabeth of Luxembourg, to marry Albert (on April 19, 1422) and confirming Elizabeth's rights as heiress presumptive to the thrones of Hungary and Bohemia.source
- 1421October 20–King Henry V summons the English Parliament for the last time in his life, directing the members to assemble at Westminster on December 1.source
- 1421December 1 – The 11th and last Parliament of King Henry V assembles at Westminster and elects Richard Baynard as Speaker of the House of Commons.source
- 1422February 1 – The Peace of Groningen is signed in the Dutch city of the same name with 94 chieftains of rebels and Allies agreeing to preserve the Frisian right to self-government as well as barring foreign lords from Frisian land and bringing an end to the Great Frisian War after nine years.source
- 1422September 27 – The Teutonic Knights sign the Treaty of Melno with the Kingdom of Poland and Grand Duchy of Lithuania, after the brief Gollub War. The Prussian–Lithuanian border established by the treaty remains unchanged, until World War I.source
- 1422September 29 – The Duke of Bedford Regent for King Henry VI of England, summons the members of Parliament to assemble at Westminster on November 9.source
- 1422November 9 – At the opening of the English Parliament, the House of Commons elects Roger Flower as its speaker.source
- 1423January 6 – The Electorate of Saxony merges with the Margravate of Meissen and the Duchy of Saxe-Wittenberg.source
- 1423April 13 – Hundred Years' War: The Treaty of Amiens is signed as a mutual defense treaty between the Duchy of Burgundy, the Duchy of Brittany and the Kingdom of England.source
- 1423April 28 – Ashikaga Yoshimochi abdicates as shogun of Japan and is succeeded by his son, Ashikaga Yoshikazu.source
- 1423May 18 – The Treaty of Melno signed on September 27 to end the Gollub War between the State of the Teutonic Order (on the Baltic Sea, with a capital at Marienburg) and the alliance of Poland and Lithuania, is ratified by all three parties.source
- 1423July 10 – Pope Martin V gives his approval of the Treaty of Melno.source
- 1423August 12 – The Treaty of Sveti Srdj ends the Second Scutari War, waged between the Serbian Despotate and the Venetian Republic, over Scutari, and other former possessions of Zeta, captured by the Venetians.source
- 1423October 20 – The Second Parliament of King Henry VI of England assembles after having been summoned on September 1. The House of Commons, led by John Russell, will consider laws until its adjournment on February 28.source
- 1423November 17 – Three weeks before his second birthday, King Henry VI of England is brought before the assembled members of the House of Lords and the House of Commons for the first time.source
- 1423The three independent boroughs of Pamplona are united into a single town by royal decree, after centuries of feuds.source
- 1424March 28 – King James I of Scotland is released after having been held captive in England for 18 years. James is freed after putting his royal seal on a ransom treaty of £40,000, secured by Scottish hostages taking his place, as agreed at Durham, England.source
- 1424September 13 – After the signing of a treaty between the different factions in the Hussite Wars, the Bohemian campaign is completed in the modern-day Czech Republic.source
- 1424Dalmatia: Aliota Capenna, lord of Lesina (modern-day Hvar), offers his realm to the Republic of Venice (also said to have occurred in 1409 and 1421).source
- 1425January 13 – The Venetian Republic's Great Council authorizes spending to equip 25 galleys for use as warships.source
- 1425January 19 – The Yongle Era ends in China and the Hongxi era begins.source
- 1425February 24 – King Henry VI of England summons the English Parliament, ordering the members to assemble on April 30 at Westminster.source
- 1425March 12 – King James I of Scotland opens a brief session of the Scottish Parliament, which opens at Perth and ends after only five days.source
- 1425April 30 – The Third English Parliament of King Henry VI opens at Westminster for a session of almost three months. Thomas Walton is elected as Speaker of the House of Commons.source
- 1425July 14 – The English Parliament closes as King Henry VI gives royal assent to the Labourers Act 1425, the River Lee Navigation Act 1425 and laws requiring a royal license for exportation of sheep and for exportation of butter and cheese.source
- 1425October 7 – King Charles VII of France and John V, the English Duke of Brittany, sign the Treaty of Saumur to settle the war between the kingdom and the duchy.source
- 1425The Maltese people rise up against Don Gonsalvo Monroy, count of Malta. The insurgents repel an attempt by the Viceroy of Sicily to bring the island to order. The Maltese do not submit to Catalan-Aragonese rule, until the Magna Charta Libertatis, granting them their new rights, is delivered to them.source
- 1426January 7 – King Henry VI summons the Parliament of England, directing its members to meet at Leicester on February 18.source
- 1426February 18 – The English Parliament, nicknamed the Parliament of Bats because the members are not allowed to carry swords and arm themselves with clubs to defend themselves, is opened by King Henry VI at Leicester. The House of Commons elects Richard Vernon as its speaker.source
- 1426June 1 – The Parliament of Bats closes in England. Among the laws given royal assent by King Henry VI are a provision that writs and lawsuits against people who were later given knighthood "shall not abate for that cause," and another giving "licence to all the King's subjects to transport corn.source
- 1426October 12 – Uckermark War (1425–1427): Representing Brandenburg, the Elector Friedrich and his son Johann "the alchemist" sign a treaty with William of Werle, ruler of one of the opposing states of Mecklenburg. Friedrich and Johann had recaptured the town of Prenzlau on August 23.source
- 1427June 16 – John, Margrave of Brandenburg-Kulmbach ("the Alchemist", of the Hohenzollern family), signs a peace agreement with the dukes of the various Pomeranian duchies at the Brandenburg city of Templin, ending the latest Pomeranian-Brandenburg conflict.source
- 1427October 13 – The English Parliament assembles at Westminster after being summoned on July 15 by England's Regency Council. John Tyrrell is elected as Speaker of the House of Commons.source
- 1427Bhaktapur Royal Palace in Nepal is built by King Yaksa Malla.source
- 1428March 25 – The Fifth Parliament of King Henry VI of England closes its session, as the King grants royal assent to the Commissioners of Sewers Act 1427, the Wages of Artificers Act granting the justices of peace power to "assign the wages of artificers and workmen by proclamation", and the Assizes Act and the Exigent on Indictment Act which both set statutes of limitation on certain proceedings.source
- 1428July 3 – The Treaty of Delft is signed by the Countess Jacqueline of Holland as a surrender to Philip, Duke of Burgundy to end the siege of Gouda by the Cod Forces against Holland, Zeeland and Hainaut during the Hook and Cod Wars. Under the pact, Jacqueline retains her title and nominal powers, but Philip administers the government and the right to inherit control.source
- 1428July 12 – King James I of Scotland gives royal assent to the Oath by Queen Act 1428 (De juramento prestando Domine Regine) passed by the Parliament of Scotland at Perth.source
- 1428The Aztec Empire is formed by the triple alliance of the Aztec city-states Tenochtitlán, Texcoco and Tlacopán and defeats Azcapotzalco to win control of the Valley of Mexico. Itzcóatl becomes 1st emperor.source
- 1429September 22 – The English Parliament assembles at Westminster after being summoned by King Henry VI, and the House of Commons elects William Alington as Speaker of the House.source
- 1430February 6 – The Hussite General Andreas Prokop signs a treaty with Frederick I, Elector of Brandenburg at Kulmbach, agreeing to withdraw Hussite troops entirely from Germany.source
- 1430February 23 – King Henry VI of England gives royal assent to numerous bills passed by the English Parliament, including the Treason Act 1429source
- 1430September 4 – the Republic of Venice signs a treaty with the Ottoman Empire to end the eight-year war between the two nations after the Ottoman capture of Thessalonica, replacing the previous agreement of 1419.source
- 1430November 27 – King Henry VI summons members of Parliament to assemble on January 12.source
- 1431March – Alexander I Aldea takes the throne of Wallachia with support from Alexander I of Moldavia.source
- 1431June 16 – The Teutonic Knights and Švitrigaila sign the Treaty of Christmemel, creating an anti-Polish alliance.source
- 1431August 26 (September 2 N.S.) – At the Polish city of Chortoryisk, representatives of Švitrigaila, Grand Duke of Lithuania and of the King of Poland, Władysław II Jagiełło agree to a truce to end the Lutsk War.source
- 1431October 30 – The Treaty of Medina del Campo is signed, consolidating peace between Portugal and Castille.source
- 1432March 5 – The Treaty of Rennes is signed between the Kingdom of Francesource
- 1432May 12 – The new English Parliament session is opened at Westminster by the regents for King Henry VI of England, and Sir John Russell is elected by his peers as Speaker of the House of Commons.source
- 1432July 17 – The English Parliament closes its session at Westminster. Royal assent is given in the King's name to the Electors of Knights of the Shire Act 1432 ("Certain things required in him who shall be a chooser of the knights of the parliament"), the Appearance of Plaintiffs Act (setting "the penalty of him that maketh a false entry, that the plaintiff doth offer himself in person, where his doth not") and the Exportation Act ("All wools and woolfells that shall be carried to any other place than to Calais, shall be forfeited to the King and the finder.")source
- 1432October 25 – Grand Duke Sigismund of Lithuania signs a document at Grodnosource
- 1433January 3 – Władysław II Jagiełło, King of Poland, acknowledges the oath of loyalty made on October 25 by Žygimantas I Kęstutaitis, Grand Duke of Lithuania, continuing the progress of the eventual Uniting of Poland and Lithuania.source
- 1433May 12 – The Regency Council for King Henry VI summons the members of Parliament to assemble at Westminster on July 8.source
- 1433July 8 – The English Parliament assembles at Westminster, and Roger Hunt is elected as Speaker of the House of Commons.source
- 1433August 14 – Edward I becomes King of Portugal.source
- 1433December 15 – The Truce of Leczyca is signed between the Kingdom of Poland and the Teutonic Order and temporarily ends the Polish–Teutonic War. The Teutons agree to stop their support of the former Lithuanian Grand Duke Švitrigailasource
- 1433December 21 – The Parliament of England closes after six months.source
- 1433Kalantiaw (of what would later be known as the Philippines) supposedly promulgates the legal code eventually referred to as the Code of Kalantiaw. Modern historians doubt its existence.source
- 1434June 20 – Zara Yaqob becomes Emperor of Ethiopia.source
- 1434October 6 – Cosimo de' Medici returns to Florence, one year after being exiled by the Albizzi and Strozzi faction.source
- 1435January 11 – Sweden's first Riksdag of the Estates is summoned under rebel leader Engelbrekt Engelbrektsson, who is elected rikshövitsman (military commander of the realm), in the absence of a king, on January 13.source
- 1435July 5 – The regency for King Henry VI summons the members of the English Parliament, directing them to assemble at Westminster on October 10.source
- 1435September 21 – The Treaty of Arras between Charles VII of France and Philip III of Burgundy ends the English-Burgundian alliance.source
- 1435October 10 – As the English Parliament opens, the English House of Commons elects John Tyrrell as its speaker.source
- 1435October 14 – Eric of Pomerania is reinstated as king of Sweden, only briefly, however, he is once again deposed in January of the following year.source
- 1435December 23 – As the English Parliament closes, King Henry VI's regents give royal assent to new legislation, including the Safe Conducts Act 1435, the Wools and Fells Act (directing that wool not be exported from England to any other location except Calais), and the Alien Goods Act (subtitled "Merchandises taken in Ships of the King's Enemies, though belonging to Foreigners in Amity with the King, shall not be restored")source
- 1435December 31 – The Peace of Brześć Kujawski is signed by representatives of the State of the Teutonic Order to make peace with the Kingdom of Poland and the Grand Duchy of Lithuania to end the Polish–Teutonic War, with the Teutonic Order agreeing to end its support of the former Grand Duke Svitrigaila and to not interfere further with Polish and Lithuanian affairs.source
- 1436January 11 – Erik of Pomerania is deposed from the Swedish throne for the second time, only three months after having been reinstated. Engelbrekt Engelbrektsson remains the leader of the land, in his capacity of rikshövitsman, the military commander of the realm.source
- 1436March 28 – In Italy, the Republic of Genoa is revived after having been under the control of the Duchy of Milan for almost 15 years, and the 56-year-old mercenary leader Isnardo Guarco is elected as the Doge of Genoa, with a lifetime appointment, but is deposed only one week later.source
- 1436April 4 – After entering the city of Genoa with several thousand men, former Doge Tomaso di Campofregoso reclaims leadership of the Republic of Genoa.source
- 1436July 5 – The Hussite Wars effectively end in Bohemia. Sigismund is accepted as King.source
- 1436September 1 – Eric of Pomerania is once again reinstated as king of Sweden. Karl Knutsson, at the same time, resigns the post of rikshövitsman.source
- 1436October 1 – King James I of Scotland gives royal assent to numerous acts recently passed by the Scottish parliament, including the Place of Trial Act ("That the kingis Justice hald the law quhair the trespes wes done."), the Englishmen Act ("of assoverance and proteccion be Inglismen"), the Selling Salmon to English Men Act and the Import of Bullion Act.source
- 1436October 29 – The regents for King Henry VI summon members of the English Parliament to assemble on January 21 at Westminster.source
- 1436November 10 – The treaty between the Republic of Venice and the Byzantine Empire is renewed for five years in a signing at Constantinople.source
- 1437January 21– The English Parliament, summoned in the name of King Henry VI on October 29, assembles at Westminster. The House of Commons elects the ailing John Tyrrell as its Speaker.source
- 1437March 27 – The regents for King Henry VI give royal assent to the legislation passed by the English Parliament, including the Marshalsea Act; the Exportation of Corn Act (excusing licensing fees of small amounts of grain, at less than 6 shillings, 8 pence for wheat or 3 shillings for barley); and the Guilds and Fraternities Act.source
- 1437November 13 – England's Privy Council votes to confirm the independent authority of King Henry.source
- 1437December 6 – King Henry VI reaches the age of majority on his 16th birthday and is deemed ready to rule the Kingdom of England in his own right.source
- 1437The Kazan Khanate is established.source
- 1438January 9 – The city of Cluj (Kolozsvár) is conquered, thus marking the end of the Transylvanian peasant revolt, which started at Bobâlna.source
- 1438February 2 – The Unio Trium Nationum pact is established in Transylvania.source
- 1438March 17 – Albert II of Germany is approved by the electors in the Holy Roman Empire as the King of the Romans, the ruler of Germany.source
- 1438May 6 – Albert becomes King of Bohemia.source
- 1438According to John Howland Rowe's chronology, Pachacuti becomes ruler of the Kingdom of Cusco and begins its expansion into the Inca Empire (Tahuantinsuyu).source
- 1439January 4 – A truce is signed at Breslau between King Albert of Hungary and King Casimir IV Jagiellon of Poland to end the 8-month war between the two kingdoms.source
- 1439January 20 – In England, John Juyn becomes the new Chief Justice of the King's Bench.source
- 1439September 25 – King Henry VI of England summons the English Parliament, directing all members to assemble at Westminster on November 12.source
- 1439November 2 – A Great Ordinance is adopted by the French Estates-General. This measure grants the king the exclusive right to raise troops, and establishes the taxation measure known as the taille, in support of a standing army.source
- 1439Parliament is opened and the House of Commons elects William Tresham as its speaker.source
- 1439Plymouth becomes the first town incorporated by Parliament.source
- 1440January 6 – Ludovico becomes the new Duke of Savoy upon the abdication of his father Amadeus VIII.source
- 1440February 21 – The Prussian Confederation is proposed as an opposition to the Teutonic Knights at a meeting in Elbing by nobles from the cities of Culm, Elbing, Thorn, Danzig, Braunsberg, Königsberg, and Kneiphof. The delegates agree to hold a larger meeting on March 14 at Marienwerder.source
- 1440July 11 – John V, Duke of Brittany, signs a neutrality agreement with the Kingdom of England, promising not to give shelter to England's enemies in the ongoing English occupation of western France.source
- 1440December 1 – Representatives of the Swiss canton of Zurich sign the Peace of Lucerne, bringing a temporary halt to the Old Zurich War.source
- 1441February 24 – The Republic of Venice annexes the seigniory of Ravenna, ending the da Polenta Dynasty.source
- 1441September 6 – The Dutch–Hanseatic War concludes with the Treaty of Copenhagen.source
- 1441November 20 – The Peace of Cremona (1441) ends the war between the Republic of Venice and the Duchy of Milan.source
- 1441December 3 – King Henry VI summons the members of the English Parliament to assemble at Westminster on January 25.source
- 1441With the help of the Grand Duchy of Lithuania, governor Hacı I Giray declares his province independent of the Golden Horde and establishes the Crimean Khanate.source
- 1442January 25 – The English Parliament opens at Westminster for a 60-day session, and the House of Commons re-elects William Tresham as its speaker.source
- 1442January 25 – The Treaty of Nürtingen is signed between the two counts of Württemberg, the brothers Ludwig and Ulrich, dividing the German territory between them.source
- 1442March 27 – The English Parliament adjourns and King Henry VI gives royal assent to numerous adts passed, including the Treason Act 1442 (making the act of restraining English citizens or possessions within Wales an act punishable as treason) and the Peeresses Act 1441 (requiring that wives of nobles shall be put on trial in the same way as the peers of the realm)source
- 1442May 8 – In Germany, the Electorate of Brandenburg and the Duchy of Pomerania enter into an alliance against the Duchy of Mecklenburg-Stargard.source
- 1443April 23 – The Duke of York, Richard Plantagenet, signs a treaty with Isabella of Portugal, Duchess of Burgundy for an indefinite truce between the Kingdom of England and the Duchy of Burgundy.source
- 1443June 6 – Afonso V of Aragon formally reunites the Kingdoms of Naples and Sicily.source
- 1444February 15 – Stjepan Vukčić Kosača, the Grand Duke of Bosnia, signs a treaty with the King Alfonso of Naples, agreeing to become his vassal in exchange for help against the Republic of Venice.source
- 1444May 22 – The Treaty of Tours, signed between England and France, secures a truce in the Hundred Years' War for five years.source
- 1444August 15 – The Peace of Szeged is signed between the Turkish Ottoman Empire and Hungary.source
- 1444August 22 – Đurađ Branković reclaims Serbia from Ottoman control after the signing of the peace of Szeged, and Wladyslaw of Hungary offers the throne of Bulgaria to John Hunyadi.source
- 1444August – After making peace with the Karamanids, Ottoman Sultan Murad II abdicates in favor of his son Mehmed II.source
- 1445January 13 – King Henry VI of England summons the English Parliament for the first time in almost three years, directing the Lords and the members of the House of Commons to assemble at Westminster on February 25.source
- 1445February 25 – The English Parliament is opened by King Henry VI. On the first day, the House of Commons elects William Burley as its Speaker.source
- 1445April 9 – The 14th Parliament of King Henry VI (23 H. 6) closes and royal assent is given to new laws, including the Labourers Act (requiring that "A servant in husbandry purporting to depart from his master must give him half a year's warning, or else shall serve him the year following.") and the Exportation Act ("Whoever shall pack or ship thrums or threads to pass beyond the seas, during the three years next coming, shall forfeit the same, or the value.")source
- 1445July 16 – In Germany, Frederick II, Elector of Saxony and his brother William III, Duke of Luxembourg, agree to negotiate the Division of Altenburg, in hopes of peacefully splitting lands in Thuringia which they had inherited from their father's cousin, Frederick IV, Landgrave of Thuringia.source
- 1445September 17 – Đurađ Branković, Despot of Serbia, and his sons Grgur, Stefan and Lazar sign a charter confirming the sovereignty and privileges of the Republic of Ragusa, located in what is now Croatia.source
- 1445Rai Sahra becomes the first Sultan of Multan as Qutb-ud-Din Mahmud.source
- 1445Stephen II remains sole ruler of Moldavia.source
- 1446May 2 – (5 Safar 849 AH) Sultan Muhammad of the Timurid Empire in Iran arrives in Isfahan and forces out a disloyal governor, Sa'adat, then declares an amnesty on taxes, stages a feast and celebration, and appoints Shah Ala' al-Din Naqib as the new governor.source
- 1446June 6 – John Hunyadi is proclaimed regent of Hungary during the minority of King Ladislaus the Posthumous, with the title Regni Gubernator. His election is primarily promoted by the lesser nobility, but Hunyadi has by this time become one of the richest barons of the kingdom. His domains cover an area exceeding 800,000 hectares (2,000,000 acres). Hunyadi is one of the few contemporaneous barons who has spent a significant part of their revenues to finance the wars against the Ottomans, thus bearing a large share of the cost of fighting for many years.source
- 1446June 21 – Lidköping gets its charter, and thus qualifies as one of the now defunct Cities of Sweden.source
- 1446December 14 – King Henry VI summons the English Parliament to assemble at Cambridge on February 10.source
- 1446December 24 – Edmund Beaufort, Marquess of Dorset, is appointed as last Governor of English-occupied France.source
- 1447January 4 – Barnaba Adorno becomes the new Doge of the Republic of Genoa when his cousin Raffaele Adorno steps down after slightly less than four years in office. Baranaba holds the office for only a few weeks before being forced by the Adorno family's rivals, the Campofregoso family to flee the Doge's Palace on January 29.source
- 1447January 30 – Giano di Campofregoso is elected as the new Doge of Genoa the day after his family forces Barnaba Adorno out of the city.source
- 1447February 11 – The English Parliament is opened by King Henry VI for a three week session that closes on March 3.source
- 1448May 3 – The Treaty of Prenzlau is signed between in Germany by the Margraviate of Brandenburg and the Duchy of Pomerania, both principalities within the Holy Roman Empire. The treaty partitions the disputed territory of the Uckermark, with Brandenburg receiving the southern part and Pomerania the northern part, with rights for Brandenburg to receive the north if Pomerania's ruling house should become extinct.source
- 1448June 20 – The Regency period of Sweden ends with the election by Swedish nobles of Karl Knutsson Bonde as King Karl VIII.source
- 1448October 4 – Peace between Albania and Venice is established, bringing an end to the Albanian–Venetian War.source
- 1449January 2 – King Henry VI of England summons the members of parliament, directing them to assemble on February 12 at Westminster.source
- 1449February 12 –The English Parliament is opened by King Henry VI at Westminster for a five month session.source
- 1449July 16 – The English Parliament closes and King Henry VI gives royal assent to numerous acts passed during its five-month session. Becoming law are the Importation Act, a 7-year ban on the import of Netherlands merchandise from Holland, Zeeland and Brabant, and the Distress Act, making it a felony "for any Welsh or Lancashire man to take other men, their goods or chattels, under colour of distress, where they have no cause."source
- 1449August 3 – The Emperor Yingzong designates his younger brother, Zhu Qiyu, to administer the Chinese Empire.source
- 1450January 19 – The Jingtai Era begins in China under the Emperor Daizong, and the Zhengtong Era ends after 14 years.source
- 1450June 8 – The 17th English Parliament of King Henry VI closes. Royal assent is given to several acts, including a seven-year prohibition of importation of products from the Dutch provinces of Holland, Zealand and Brabant "until English cloth may be sold there."source
- 1450August 29 – The Treaty of Bergen is signed by officials of Norway and Sweden to reunite the two kingdoms under the rule of King Christian I. Both Norway and Sweden retain self-government and their own governing bodies.source
- 1450September 5 – Three months after the close of the last session, King Henry VI summons the members of the English Parliament to assemble at Westminster on November 6.source
- 1450September 8 – Pietro di Campofregoso is elected as the new Doge of the Republic of Genoa following the abdication of his cousin, Lodovico di Campofregoso.source
- 1450November 6 – The 18th parliament of King Henry VI of England opens. Commons elects William Oldhall as its speaker.source
- 1451January 27 – The Saxon Brother War between Frederick II, Elector of Saxony and William III, Landgrave of Thuringia is ended as two brothers sign a peace treaty at Naumburg.source
- 1451March 26 – The Treaty of Gaeta is signed at the Italian city of Gaeta between the Kingdom of Albaniasource
- 1451August 14 – A three-year truce is signed between Scotland and England at the Church of St Nicholas at Newcastle-upon-Tyne.source
- 1451September 10 – The Ottoman Empire renews its treaty with Republic of Venice and, on September 20, a truce with the Kingdom of Hungary.source
- 1451October 22 – Janos Hunyadi, Regent-Governor of the Kingdom of Hungary during the minority of the 11-year-old king, Ladislaus V, signs a peace treaty with the Holy Roman Emperor, Friedrich III.source
- 1451November 20 – Janos Hunyadi, Regent-Governor of the Kingdom of Hungary during the minority of the 11-year-old king, Ladislaus V, signs a 3-year truce with the Ottoman Empire.source
- 1451November 28 – At the Korean capital, Hanseong, Hwangbo In becomes the Chief State Councillor (Yeonguijeong) of the Kingdom of Korea as leader of the governing State Council, second in status only to King Munjong, replacing Ha Yeon.source
- 1451December 22 – (28 Zilhicce 855 AH) In Mamluk ruled Egypt, the Amir Asanbay al-Jamali al-Zahiri returns from a trip to the Ottoman Empire with a group of Ottoman diplomats, and the Mamluk Sultan Mehmed II hosts them at a banquet, granting them a private audience the next day. The Ottomans depart on January 17.source
- 1451Skennenrahawi, the Great Peacemaker, a chief Mohawk people, founds the Haudenosaunee, commonly called the Iroquois Confederacy, along with Jigonhsasee and Hiawatha. The Haudenosaunee is initially a political and cultural union of five Iroquoian-speaking Native American tribes (the Mohawk, Oneida, Onondaga, Cayuga, and Seneca) governing parts of the present-day state of New York, northern Pennsylvania, and the eastern portion of the provinces of Ontario, and Quebec.source
- 1452July 21 – The League of God's House signs a peace treaty with the counts of Ortenstein in the Swiss Canton of Graubünden to fund the rebuilding of Ortenstein Castle, as long as they promise never to use the castle against the League.source
- 1452November 23 – The Canton of Appenzell becomes an associate member of the Swiss Confederacy. Full membership will be granted more than 50 years later in 1513.source
- 1452Edinburgh officially becomes the capital of the Kingdom of Scotland.source
- 1454April 9 – Treaty of Lodi: Francesco Sforza forms a triple alliance between the Duchy of Milan, the Republic of Florence and Kingdom of Naples.source
- 1454June 13 – The canton of St. Gallen is accepted as an associate state of the Swiss Confederation.source
- 1454October 9 – Thirteen Years' War: The Malbork treaty is concluded between the authorities of the Teutonic Order and the mercenary forces fighting for the Teutonic Order.source
- 1454The Statutes of Nieszawa are enacted in Poland.source
- 1455July 4 – King Danjong of Korea, ruler since the death in 1452 of his father, King Munjong, is forced to abdicate. He is promoted to the figurehead post of King Emeritus (Sangyang).source
- 1455August 4 – Prince Sejo, son of the late King Sejong, becomes the new monarch of Korea in Hanseong following the forced abdication of King Danjong.source
- 1455September 15 – Ludwig von Erlichshausen, Grand Master of the Teutonic Order, signs the Treaty of Mewe, selling the Order's territory of the Neumark back to the Electorate of Brandenburg after having owned it for 34 years. Grand Master Ludwig had earlier "pawned" the territory to Brandenburg on February 22, 1454, in return for a loan approved by the Elector Frederick II.source
- 1456February 25 – The Treaty of Yazhelbitsy is signed between the Grand Principality of Moscow (led by Grand Prince Vasily II) and the Novgorod Republic (governed by Vasily Shuisky) with Vasily II becoming the Prince of Novgorod.source
- 1456March 12 – After a session of eight months that had started on July 9, 1455, the English Parliament adjourns at Westminster. Royal assent is given by King Henry VI to bills passed, including the Importation Act 1455, banning the import for the next five years of woven silk goods (including ribbons and girdles) that had been manufactured outside of England, and subjecting importers to heavy fines. and the Embezzlement Act, allowing civil remedies by executors of estates to recover goods that had been stolen by servants from their masters.source
- 1456July 29 – A treaty is signed at Toruń between the Kingdom of Poland and mercenaries led by Oldrzych Czerwonka with Poland purchasing the 21 fortresses of Czerwonka's people in exchange for 463,794 florins (1.62 million grams or 58,000 ounces of gold).source
- 1456Lazar Branković becomes despot of Serbia.source
- 1456Muscovy and the Novgorod Republic conclude the Treaty of Yazhelbitsy.source
- 1457April 12 – Ştefan cel Mare secures the throne of Moldavia, which he retains for the next 47 years.source
- 1457May 25 – The city of Danzig (now Gdańsk) is granted full autonomy by King Casimir IV of Poland.source
- 1458February 27 – George of Poděbrady is elected king of Bohemia.source
- 1459April 25 – The Treaty of Eger is signed by representatives of the Kingdom of Bohemia and the Electorate of Saxony, setting a border that remains more than 500 years later as the border between the Czech Republic and Germany as running along the main ridge of the Ore Mountains from Eger to the River Elbe.source
- 1459December 20 – England's "Parliament of Devils" is dissolved after accomplishhing its purpose of passing bills of attainder for high treason, indictments of Richard of York, 3rd Duke of York and other Yorkist supporters in the War of the Roses. Other prominent Yorkists charged are Edward, Earl of March (the future King Edward IV), Edmund, Earl of Rutland, Richard Neville, 5th Earl of Salisbury, and his son, Richard Neville, 16th Earl of Warwick.source
- 1460March 5 – King Christian I of Denmark, the various nobles of the Duchy of Schleswig and the County of Holstein agree to the Treaty of Ribe, electing King Christian as the new Duke of Schleswig and Count of Holstein, and placing both political entities under Denmark's control.source
- 1460July 30 – King Henry VI summons the English Parliament to assemble at Westminster on October 7.source
- 1460October 7 – The 22nd parliament of Henry VI is opened, and the House of Commons elects John Green as its speaker.source
- 1460October 10 – Richard, Duke of York enters the Council Chamber, places his hand upon the throne, and announces that he is the rightful King of England. He then takes up residence at the royal palace.source
- 1460October 25 – The Act of Accord, passed by the Parliament of England, is given royal assent by King Henry VI as a compromise to end the War of the Roses between King Henry's supporters (the Lancastrians) and the supporters of Richard of York (the Yorkists). Under the law, King Henry is permitted to rule England for the rest of his life, but his son, Edward of Westminster, Prince of Wales is removed from the right of succession and Richard of York and his descendants are granted the right to rule upon King Henry's death.source
- 1460November 7 – King James II of Cyprus orders his chief minister, George Boustronios, to travel to Larnaca, and to round up "both the serfs and emancipated peasants, both mounted and on foot", to be delivered to the King at Nicosia to be drafted into the King's army, with the promise of benefits to the peasants and emancipation to the serfs.source
- 1461April 17 – Skanderbeg, ruler of Albania, reaches a three-year peace agreement with the Ottoman Empire.source
- 1461May 15 – In Ireland, Fedlim Geancach Ó Conchobair becomes the last King of Connacht, now the Republic of Ireland's Province of Connaught and comprising what are now the Counties Galway, Leitrim, Mayo, Roscommon, and Sligo. Upon Fedlim's death in 1475,source
- 1461May 23 – King Edward IV summons the English Parliament for the first time, directing the members of the House of Lords and House of Commons to assemble at Westminster on November 4.source
- 1461July 22 – Louis XI succeeds Charles VII of France as king (reigns until 1483).source
- 1461October 19 – With the Yorkist victory in the War of the Roses, the proposal by the new English King, Edward IV for an alliance with Scottish nobles against the former King Henry VI is approved by Scottish Highland lords at Ardtornish Castle. The agreement will become the basis for the Treaty of Westminster four months later on February 13, 1462.source
- 1461November 4 – The English Parliament is opened at Westminster by King Edward IV, and the House of Commons elects James Strangeways as its Speaker.source
- 1461December 21 – The first English Parliament under King Edward IV adjourns and the King gives royal assent to the Act titled "In eschewing of Ambiguities, Doubts, and Diversities of Opinions which may rise, ensue, or be taken of and upon judicial Acts and Eximplifications of same, made or had in the Time or Times of Henry the Fourth, Henry the Fifth His Son, and Henry the Sixth His Son or any of them, late Kings of England successively, in Deed and not of Right", designating which acts of this three immediate predecessors are repealed and which are renewed.source
- 1462February 13 – The Treaty of Westminster is agreed upon between King Edward IV of England and the Scotland noble John of Islay, Earl of Ross and Lord of the Isles. The parties sign the treaty on March 17.source
- 1462December 22 – King Edward IV summons the members of the House of Lords and the House of Commons to assemble at the English Parliament for April 29, 1463.source
- 1462Portugal begins to settle the Cape Verde Islands, with slaves from the coast of Guinea.source
- 1463June 18 – The free imperial city of Rottweil, part of the Holy Roman Empire and now a part of Germany, becomes an associate state of the Swiss Confederacy.source
- 1463July 19 – The Treaty of Wiener Neustadt is signed between the Kingdom of Hungary and the Holy Roman Empire.source
- 1463August 20 – The Republic of Venice renews its 1448 peace treaty with Albania, pledging that any treaty between Venice and the Ottoman Empire will include a guarantee of Albanian independence. The amended treaty also guarantees the presence of Venetian Navy ships in the Adriatic Sea to protect Albania, as well as the right to asylum in Venice for Albanians.source
- 1463Muhammad Rumfa starts to rule in Kano.source
- 1464January 6 – The first assembly ever of the States General of the Netherlands is held as representatives from at least 17 provinces of the Burgundian Netherlands gather at Bruges. At least 81 delegates come from the clergy, nobility and general public from the Duchy of Brabant, the County of Flanders, Lille, Douai and Orchies, the County of Artois, the County of Hainaut, the County of Holland, the County of Zeeland, the County of Namur, the Lordship of Mechelen, and the Boulonnais, all with the reluctant assent of Philip the Good, Duke of Burgundy.source
- 1464January 21 – The English Parliament opens its second session during the reign of King Edward IV, gathering at Westminster, and will remain in session until March 28, 1465.source
- 1464June 1 – The Treaty of York, a 15-year-truce is signed by representatives of the kingdoms of England (ruled by King Edward IV) and Scotland (ruled by King James III).source
- 1464August 21 – Emperor Go-Hanazono of Japan abdicates, and is succeeded by his son, Emperor Go-Tsuchimikado.source
- 1464December 26 – Kettil Karlsson takes the title of riksföreståndare (national director) and reduces the role of King Karl VIII to figurehead status.source
- 1464Tenguella, the founder of the Empire of Great Fulo, becomes chief of the Fula people.source
- 1465January 24 – Chilia is conquered by Stephen the Great of Moldavia, following a second siege.source
- 1465March 28 – King Edward IV gives royal assent to acts passed by the English Parliament, including the Pattens Act 1464, regulating the manufacture of pattens, shoes with wooden soles and heels, and leather covering, declaring that "Patten-makers may make pattens of such asp as is not fit for shafts." The law is among several given royal assent to regulate clothing, including the Cloths Act, the Exportation of Wool Act and Contracting for Wool Act and the Shoemakers Act. The parliament, in session since April 29, 1463, closes.source
- 1465October 5 – The Treaty of Conflans is signed between King Louis XI of France and the Count of Charolais.source
- 1465October 29 – The treaty of Saint-Maur is signed between King Louis XI of France and the nobles of the League of the Public Weal (Ligue du bien public), ending the War of the Public Weal.source
- 1465November 26 – In Bohemia, Count Jaroslav Lev of Rožmitál departs from Prague along with 40 other Bohemian lords as part of King George's project of Establishment of Peace throughout Christendom.source
- 1465December 22 – The Treaty of Saint-Trond is signed to end the war between the Burgundian Netherlands (ruled by Philip the Good) and the Prince-Bishopric of Liège, ending the First Liège War, which had started four months earlier. Liège is allowed to keep its sovereignty at the cost of paying for the Burgundian war expenses and designating Charles the Bold, son of the Duke Philip, as heir to the rule of the area.source
- 1465December 23 – The Treaty of Caen is signed between King Louis XI of France and Francis II, Duke of Brittany.source
- 1466January 1 – King Edward IV of England gives royal assent to a 40-year extension to the 1464 Treaty of York between England and Scotland. The treaty, signed on June 1, 1464, was originally set for 15 years, to expire June 30, 1479. With the extension, approved by Scotland as well, peace between the two nations in Britain is extended to last until October 31, 1519.source
- 1466January 21 – The War of the Succession of Stettin is halted as the Treaty of Soldin is signed by Frederick II, Elector of Brandenburg, and two of the dukes of Pomerania, the brothers Erich II, Duke of Wolgast, and Wartislaw X, Duke of Rügen. The signing takes place at the town of Soldin in the Electorate of Brandenburg, now the city of Myślibórz in Poland. The brothers recognize Frederick II as their liege lord, and Brandenburg recognizes their rights to their fiefdoms.source
- 1466June 13 – Sin Sukchu resigns as Chief State Councillor (Yonguijong) of the Korean Empire, an office equivalent to prime minister, and is succeeded by Ku Ch'igwan.source
- 1466August 21 – Eric II, Duke of Pomerania, reconciles with King Casimir IV of Poland after six years of feuding.source
- 1466October 19 – The Second Peace of Thorn is signed between King Casimir IV Jagiellon of Poland and the Teutonic Knights Grand Master, Ludwig von Erlichshausen, ending the Thirteen Years' War.source
- 1466November 26 – Han Myŏnghoe becomes the new Chief State Councillor (Yonguijong) of the Korea, succeeding Ku Ch'igwan, who served for less than six months.source
- 1467May 8 – Henry IV, Duke of Mecklenburg and Frederick III, Elector of Saxony, send a warning to the various dukes of Pomerania to abide by the 1466 Treaty of Soldin, or face an economic boycott by both nations. The Duchy of Pomerania-Stettin refuses to swear allegiance to Brandenburg, which begins a war with Stettin a year later.source
- 1467While Hassan III of the Maldives is on Hajj, Sayyidh Muhammad deposes his son, acting regent. On his return, Hassan regains the throne.source
- 1468February 16 – A "marriage treaty" is signed between representatives of the Kingdom of England and the Duchy of Burgundy, providing for the marriage of King Edward IV's sister, Margaret of York, to Charles the Bold, Duke of Burgundy.source
- 1468April 1 – King Louis XI summons a meeting of France's parliament, the Estates-General, and obtains approval of all concessions he had previously made to the Kingdom of England, including those with reference to Normandy.source
- 1468June 7 – King Edward IV of England gives royal assent to numerous laws passed by the English Parliament, including the Cloths Act, the Liveries Act and the Sheriffs Act.source
- 1468September 19 – In the Kingdom of Castile in Spain, near El Tiemblo, the "Treaty of the Bulls of Guisando" (Tratado de los Toros de Guisando) is signed between King Enrique IV the Impotent and his half-sister, Princess Isabella. The treaty, executed at the ancient sculpture of bulls near Ávila, designates Isabella as heiress to the throne of Castile and León. She will become the Queen upon Enrique's death six years later.source
- 1468October 14 – The Treaty of Péronne is signed by Charles the Bold, Duke of Burgundy, and Louis XI of France.source
- 1469February 4 – Han Myŏnghoe is appointed by King Yejong of Korea as the new Chief State Councillor, replacing Pak Wŏnhyŏng.source
- 1469June 3 – King Henry IV of Castile makes a gift of Gibraltar to Enrique de Guzmán, 2nd Duke of Medina Sidonia, as a reward for Guzman's work in capturing Gibraltar from the Moors.source
- 1469July 14 – The Holy Roman Emperor Frederick III issues a decree nullifying the 1466 Treaty of Soldin between Brandenburg and Pomerania.source
- 1469September 27 – Hong Yunsŏng becomes the new head of government of the Kingdom of Korea as the new Chief State Councillor for King Yejong, replacing Han Myŏnghoe.source
- 1469November 27 – King James III gives royal assent to numerous acts passed by the Parliament of Scotland.source
- 1470May 6 – Yun Chaun becomes the new Chief State Councillor (Yonguijong, equivalent to a prime minister as head of government) of Korea, when he is appointed by King Seongjong to replace Hong Yunsŏng.source
- 1470The Pahang Sultanate is established at Pahang Darul Makmur (in modern-day Malaysia).source
- 1471February 10 – Albrecht III Achilles becomes the new Elector of Brandenburg upon the abdication of his older brother, Friedrich II, who had guided the electorate since 1440.source
- 1471March 15 – With the help of a group of mercenaries lent to him by Charles the Bold of Burgundy, the Yorkist King Edward IV returns to England to reclaim his throne, landing near Hull, after having departed from Holland on March 11.source
- 1471June 26 – Edward of York, the 7-month-old son of King Edward IV of England, is created Prince of Wales, two months after his father has regained the throne.source
- 1471Orkney and Shetland were absorbed into Scotland.source
- 1472February 20 – Orkney and Shetland are returned by Norway to Scotland, as a result of a defaulted dowry payment.source
- 1472May 27 – An alliance agreement is signed between Charles the Bold, Duke of Burgundy and Nicholas I, Duke of Lorraine, with Charles pledging his daughter, Mary of Burgundy, to marry Nicholas. The agreement comes at the same time that King Ferdinand I of Naples had been negotiating the engagement of Mary of Burgundy to Frederick, prince of Naples.source
- 1472May 31 – The Treaty of Prenzlau is signed between Albrecht III Achilles, Elector of Brandenburg, and the two Dukes of Pomerania, Eric II and Wartislaw X, surrendering the Duchy of Pomerania-Stettin to Albert's control and ending the eight-year-long War of the Succession of Stettin.source
- 1472August 19 – King Edward IV summons the members of the English Parliament to assemble at Westminster on October 6.source
- 1472September 11 – The Treaty of Chateaugiron is concluded between King Edward IV of England and the Duchy of Brittany, providing for an English invasion of either Gascony or Normandy by April 1, 1473.source
- 1472November 5 – Duke Nicholas of Lorraine and Duke Charles of Burgundy agree that the engagement between Nicholas and Charles's daughter can be called off without jeopardizing the alliance between the two duchies.source
- 1474January 6 – At the age of one year and nine months, Bianca Maria Sforza, the daughter of the Duke of Milan, Galeazzo Maria Sforza, is betrothed to the 9-year-old, Philibert I of Savoy, as part of an alliance between the two independent Italian duchies.source
- 1474February 21 – The Treaty of Ófalu is signed between the Kingdom of Poland and the Kingdom of Hungary.source
- 1474February 28 – The Treaty of Utrecht puts an end to the Anglo-Hanseatic War, restoring the status quo that had existed before the war, with the Kingdom of England and the states of the Hanseatic League agreeing to respect each other's trading rights.source
- 1474April 24 – The members of the Hungarian nobility ratify the treaty with Poland after King Matthias had given his assent on February 27.source
- 1474July 25 – By signing the Treaty of London, Charles the Bold of Burgundy agrees to support Edward IV of England's planned invasion of France.source
- 1474October 26 – In a peace treaty between King Edward IV of England and King James III of Scotland, an agreement is reached for the betrothal and eventual marriage of King Edward's daughter Cecily to King James' eldest son and future King of Scotland, James, Duke of Rothsay.source
- 1474November 2 – An alliance pact is signed between the Duchy of Milan, the Republic of Venice and the Republic of Florence.source
- 1475January 30 – An alliance between the Duchy of Burgundy (ruled by Charles the Bold), the Duchy of Savoy (ruled by Filiberto the Hunter) and the Duchy of Milan (ruled by Galeazzo Maria Sforza) is created by the signing of a treaty at the city of Moncalieri, in Savoy near Turin.source
- 1475February 20 – The joint Spanish rulers of Castile and León, Queen Isabella and King Fernando, issue a decree of monetary reform at Segovia, setting a standard value for the real as 30 maravedí coins, and the dobla castellana as 870 maravedis.source
- 1475March 14 – King Edward IV, gives royal assent to several acts passed by the English Parliament, including the Safe Conducts Act and the Wool Act.source
- 1475August 29 – The Treaty of Picquigny ends the brief war between France and England.source
- 1475September 9 – The city of Köln (Cologne), already separate from the surrounding Köln is granted the status of a "free imperial city" by the Holy Roman Empire, with representation in the Imperial Diet and self-government within the Empire.source
- 1475December – The Principality of Theodoro falls to the Ottoman Empire, arguably taking with it the final territorial remnant of the successor to the Roman Kingdom after nearly 2,228 years of Roman civilization since the legendary Founding of Rome in 753 BC.source
- 1476April 14 –The Treaty of Fribourg is signed by representatives of the Swiss Confederation and the Duchy of Savoy after France's King Louis XI intervenes to stop the war in Switzerland over former Savoyard territories in the Canton of Vaud.source
- 1476December 5 – King Vladislaus II of Hungary enters into an alliance with Frederick III, Holy Roman Emperor, against Matthias Corvinus, King of Bohemia.source
- 1477February 11 – Mary of Burgundy, the daughter of Charles the Bold and the new Duches, is forced by her disgruntled subjects to sign the Great Privilege, by which the Flemish cities recover all the local and communal rights which have been abolished by the decrees of the dukes of Burgundy, in their efforts to create a centralized state in the Low Countries.source
- 1477August 4 – Martin Truchsess von Wetzhausen is elected as the new Grand Master of the Teutonic Knights to succeed the late Heinrich Reffle von Richtenberg as ruler of a few territories in Prussia.source
- 1477December 1 – King Matthias Corvinus of Hungary signs a treaty with Frederick III, Holy Roman Emperor at Korneuburg, ending the Hungarian blockade of Vienna in return for Frederick's support for making Matthias King of Bohemia and an indemnity of 100,000 florins.source
- 1477Ivan III of Russia marches against the Novgorod Republic, marking the beginning of Russian Colonialism.source
- 1478March 28 – The initial draft of the Treaty of Brno, between the Kingdom of Hungary and the Kingdom of Bohemia, is agreed upon by envoys from both kingdoms, subject to modifications.source
- 1478September 1 – King Matthias Corvinus of Hungary accepts the draft of the Treaty of Brno with slight modifications regarding the division of the lands of the Bohemian crowned claimed by both Hungary and King Vladisalus II of Bohemia. Under the terms, Vladislaus II cedes Moravia, Silesia, and Lusatia to Corvinus, and both monarchs are permitted to refer to themselves as "King of Bohemia".source
- 1478The Demak Sultanate, the first Islamic state on the island of Java (now in Indonesia), ruled by Panembahan Jimbun, gains independence from Majapahit, after a civil war.source
- 1479January 25 – The Treaty of Constantinople is signed between the Ottoman Empire and Republic of Venice, ending 16 years of war between the two powers; Venice will cede Negroponte, Lemnos and Shkodër, and pay an annual sum of 10,000 gold ducats.source
- 1479March 26 – Matthias Corvinus, King of Hungary, concludes a treaty with the Swiss Confederacy hindering the recruitment of Swiss mercenaries by the Emperor.source
- 1479April 2 – The Peace of Olomouc is signed between King Matthias Corvinus of Hungary and King Vladislaus II of Bohemia, bringing the Bohemian–Hungarian War (1468–1478) to an end.source
- 1479June 1 – The University of Copenhagen is inaugurated by King Christian I of Denmark, seven months after he had issued a royal decree on October 4 establishing its creation.source
- 1479September 4 – The Treaty of Alcáçovas (also known as the Treaty or Peace of Alcáçovas-Toledo) is signed between the Catholic Monarchs of Castile and Aragon on one side, and the King of Portugal and his son on the other side, ending the four-year War of the Castilian Succession.source
- 1480February 4 – Pedro de Vera is appointed as the colonial Governor of Gran Canaria by the Spanish monarchs Ferdinand and Isabella, and directed to carry out the conquest of the Canary Islands and to end the fighting between the conquistadors who had taken the island in 1478.source
- 1480March 3 – The Treaty of Lucerne is signed between the Duchy of Milan and the Old Swiss Confederation, 15 months after the Battle of Giornico. Milan cedes the Leventina District to the Canton of Uri.source
- 1480March 6 – The Treaty of Toledo is signed as Ferdinand and Isabella of Spain recognize the African conquests of Afonso V of Portugal, and he cedes the Canary Islands to Spain.source
- 1480March 17 – Lorenzo the Magnificent, Lord of the Republic of Florence, and King Ferrante of Naples agree to an alliance between the two Italian nations, and to end the ongoing war that had started in 1479. Lorenzo had traveled to Naples in December to reach a treaty to end the war.source
- 1481August 29 – John II of Portugal starts to rule in his own right.source
- 1481December 22 – The Canton of Fribourg and the Canton of Solothurn are admitted as cantons of Switzerland by the Swiss Confedderationsource
- 1481The Constitució de l'Observança is approved by the Catalan Courts, establishing the submission of royal power to the laws of the Principality of Catalonia.source
- 1482June 11 – The Treaty of Fotheringhay is signed between King Edward IV of England, and Alexander Stewart, Duke of Albany, the younger brother of King James III of Scotland, with Alexander being promised the Scottish throne in return for swearing loyalty to England and participating in an English invasion of Scotland.source
- 1482November 15 – King Edward IV of England summons the members of the English House of Commons and the English House of Lords to assemble at Westminster on January 20.source
- 1482December 23 – The Treaty of Arras divides the Burgundian Netherlands between King Louis XI of France and Archduke Maximilian I of Habsburg.source
- 1483January 20 – The English Parliament, summoned by King Edward IV on November 15, assembles at Westminster.source
- 1483January – Upon the petition the Grand Inquistitor of Castile (now part of Spain) Tomás de Torquemada, the Jews are expelled from the Castilian-controlled portions of Andalusia.source
- 1483February 18 – King Edward IV gives royal assent to numerous acts passed by the English Parliament.source
- 1483June 9 – The Grand Duke Ivan IV of Ryazan signs a treaty with his uncle, Grand Duke Ivan III of Moscow, placing Ryazan under Moscow's control and ending Ryazan's independence.source
- 1483December 27 – (27th day of 11th month of Bunmei 14) The Ashikaga shogunate and Koga kubo Ashikaga Shigeuji agree to the Tohiwaboku peace treaty, ending the Kyotoku War after almost 29 years. that had been ongoing since 1455.source
- 1484January 23 – King Richard III of England assembles his first, and only Parliament, opening a 29-day session.source
- 1484February 20 – At the close of the English Parliament session, King Richard III gives royal assent to Titulus Regiussource
- 1484March 22 – The kingdoms of France and Scotland renew the Auld Alliance, with the Lord of Aubigny signing on behalf of France.source
- 1484August 7 – The Treaty of Bagnolo is signed, ending the War of Ferrara fought in Italy between the Republic of Venice and the Duchy of Ferrara after two years. Ferrara loses most of its territories which Venice had conquered north of the River Po, while Ferrara's Duke Ercole I d'Este regains his territories in Ariano nel Polesine, Corbola, Adria, Melara, Castelnovo Bariano and Ficarolo.source
- 1484September 21 – Treaty of Nottingham: A three-year truce between the kingdoms of England and Scotland is signed.source
- 1484November 23 – Louis, Duke of Orleans a contender for the French throne, signs a treaty with François II, Duke of Brittany, with an agreement for the marriage of the Duke's 7-year-old daughter, Anne of Brittany to Louis, with a goal of Louis having control of Brittany and of France. The proposed marriage, however, is contingent upon the annulment of Louis' existing marriage to Joan of France, Duchess of Berry.source
- 1485April 27 – King Charles VIII of France convenes a lit de justice, a special session of the Parlement de Paris at Rouen, confirms the Charter to the Normans, the French acknowledgment of the autonomy of the Duchy of Normandy within the Kingdom of France.source
- 1485May 26 – King James III of Scotland gives royal assent to numerous acts passed by the Scottish Parliament, including the England Act (regarding the peace between "betuix our soverane lord and Richard king of Ingland", and "the marriage and alliance appointed to be made and performed.")source
- 1485August 15– Henry Tudor's army begins crossing the border from Wales into England at Mathafarn, then marches towards London.source
- 1485November 7 – The first session of the English Parliament under King Henry VII is opened, with Lovell elected as the Speaker of the House of Commons.source
- 1485December 10 – Members of the House of Commons ask King Henry VII to marry Elizabeth of York.source
- 1486March 4 – The first English Parliament of King Henry VII is dissolved after more than four months.source
- 1486March 6 – John Morton is appointed by King Henry VII as the Lord Chancellor of England and chief justice of the Court of Chancery.source
- 1486March 10 – The government of the Free Imperial City of Köln (Cologne), now part of Germany, begins the removal of all prostitutes from the city.source
- 1486April 21 – The adoption of the Sentència Arbitral de Guadalupe ends the War of the Remences, in the Principality of Catalonia.source
- 1486August 10 – The Papal States, led by Pope Innocent VIII, sign a treaty with King Ferrante of Naples to avoid an invasion.source
- 1486October 14 – At Srinagar (now in India), Fateh Shah Miri becomes the new Sultan of Kashmir after defeating the Sultan Muhammad Shah Mir.source
- 1486November 5 – At Enniskillen, capital of the Kingdom of Fermanagh in what is now County Fermanagh on the Republic of Ireland's border with Northern Ireland, King Éamonn mac Thomáis Óig abdicates and is succeeded briefly by his brother Thomáis Óg mac Thomáis Óig, who is deposed by Seánn mac Pilib meic Thomáis Mhóir before the end of the year.source
- 1486Provence was legally incorporated into the French royal domain.source
- 1487June 5 – The rebel army led by Lambert Simnel, who has proclaimed himself as "King Edward VI" lands on Piel Island at Lancashire.source
- 1487August 18 – The Catholic Monarchs Ferdinand and Isabella make a triumphant entrance into the newly captured city of Malaga.source
- 1487October 1 – Royal assent is given by King James III of Scotland to acts passed by the Scottish Parliament, including the Royal Burghs Act 1487 (requiring annual meetings of the commissioners of Scotland's town governments); the annexation of Lochmaben Castle; the Sea Fishing Act (regulating the herring industry); and the Goods of Convicts Act (allowing the confiscation of possessions of persons arrested for trespassing).source
- 1487November 9 – The second parliament of King Henry VII assembles at Westminster with John Mondurant as Speaker of the House of Commons. The parliament lasts for slightly more than five weeks.source
- 1487December 18 – The second parliament of King Henry VII is dissolved in England after 39 days.source
- 1488January 8 – The Royal Netherlands Navy is formed by the Ordinance of Admiralty, issued by Archduke Maximilian of Austria, co-ruler of the Burgundian Netherlands.source
- 1488February 14 – The Swabian League is re-established at a ceremony in Esslingen am Neckar as a military alliance of the Electorate of the Palatinate, the Duchy of Bavaria, monarchies and archbishoprics in Bayreuth, Hesse, Ansbach, Baden, Tyrol, Württemberg, Mainz and Trier, as well as 22 other "free cities" in the Holy Roman Empire.source
- 1488March 21 – The Treaty of Valencia is signed in Spain between the Kingdom of Navarre and the "Catholic Monarchy" of Aragon and Castile.source
- 1488August 20 – The Treaty of Sablé is signed in Sablé-sur-Sarthe by Francois, Duke of Brittany and Charles VIII, King of France, ending the "Mad War". Under the terms of the treaty, Francois agrees for the Duchy of Brittany to be a vassal of King Charles, and cedes the Duchy's territories of Saint Malo, Dinan, Fougères and Saint-Aubin-du-Cormier to the French crown. Francois also agrees that before arranging his daughter, Anne of Brittany, to be married, he will seek the King's consent. In return, Charles removes the French Army troops from Brittany.source
- 1488October 17 – King James IV of Scotland gives royal assent to numerous laws approved by the Scottish Parliament during its 1488 session, including the France Act ("to renew the confideracioun betuix the realmez of France and Scotland") and the Rebel Officers of Law Act (disbarring and suspending any wardens, justices or other officials "who were in battle at Stirling against our sovereign Lord").source
- 1489January 13 – The English Parliament opens at Westminster, with Thomas Fitzwilliam as the Speaker of the House of Commons. The day after its opening, the Treason Act 1488 and the Collusive Actions Act 1488 go into effect on resolution of the English Parliament.source
- 1489February 10 – The Treaty of Redon is signed between the Duchy of Brittany and the Kingdom of England, with an agreement approved by King Henry VII for England to provide 6,000 soldiers, with the expense to be paid by Brittany.source
- 1489February 14 – Two alliance agreements are signed in the Austrian city of Dordrecht, with the Archduchy of Austria allying against France, with the Spanish Kingdom of Castile and the Kingdom of England. The tripartite agreement is completed with Castile and England reaching a mutual treaty on March 26.source
- 1489March 14 – The Queen of Cyprus, Catherine Cornaro, sells her kingdom to the Republic of Venice.source
- 1489March 26 – The Treaty of Medina del Campo is signed between England and the Spanish kingdom of Castile and Aragon, and includes provision for a marriage of King Henry's son and heir apparent Arthur, Prince of Wales, and Isabella's daughter Catherine of Aragon.source
- 1489July 17 – In India's Delhi Sultanate, Sikandar Lodi succeeds Bahlul Khan Lodi as the new Sultan of Delhi.source
- 1489December 3 – Austria and France agree to make a treaty to end the hostilities between the two nations. The Peace of Frankfurt is formally signed on July 22, 1490.source
- 1489King Henry VII of England gives a town charter to the port of Southwold.source
- 1489A gold coin equal to one pound sterling, called a sovereign, is issued for Henry VII of England.source
- 1490February 3 – The Scottish Parliament opens in Edinburgh to address matters of lands confiscated in the year before.source
- 1490February 15 – The Scottish Parliament passes an Act to restore lands forfeited by the losers in the war between the supporters of the late King James III against his son, the reigning King James IV, and nullifying transfers of land made to new owners after the forfeitures.source
- 1491January 2 – After his failed attempt to marry Anne, Duchess of Brittany, Breton General Alain I of Albret signs the Treaty of Moulins and pledges support to King Charles VIII of France in return for the rights to the Breton city of Nantes. The French–Breton War resumes.source
- 1491August 12 – King Henry VII of England summons the members of the English House of Lords and House of Commons to assemble on October 17 at Westminster.source
- 1491September 15 – King Charles VIII of France and the Duchess Anne of Brittany conclude a treaty at Rennes, leading to the breaking of Anne's engagement to Archduke Maximilian of Austria, and an agreement for the marriage of Anne to Charles. François Guizot (translated by Robert Black), The History of France from the Earliest Times to the Year 1789,source
- 1491October 17 – The English Parliament assembles at Westminster, and Richard Empson is elected as Speaker of the House of Commons.source
- 1491November 7 – Maximilian I, Holy Roman Emperor and King Vladislaus II of Bohemia and Hungary sign the Peace of Pressburg, formally ending the Austrian–Hungarian War.source
- 1491November 15 – To end the siege of Rennes, the remaining portion of the Duchy of Brittany still under control of the Breton royal family, the Duchess Anne signs the Treaty of Rennes and agrees to marry King Charles VIII.source
- 1491November 25 – Completing the Reconquista (the "reconquest"), The Granada War is effectively brought to an end (and the Siege of Granada extended for two months) with the signing of the Treaty of Granada between the Catholic Monarchs of Spain and the Moorish Emir of Granada.source
- 1491December 21 – The Truce of Coldstream secures a five-year peace between Scotland and England.source
- 1491In the Russian territory of Komi (the modern-day Komi Republic), annexed by Russia in 1478, copper and silver ores are discovered, and the territory gains importance as a mining and metallurgical center.source
- 1491In the Ayutthaya Kingdom the reign of Ramathibodi II begins.source
- 1492January 6 – Ferdinand and Isabella enter Granada.source
- 1492April 17 – The Capitulations of Santa Fe are signed between Christopher Columbus and the Crown of Castile, agreeing on arrangements for his forthcoming voyage.source
- 1492May 3 – In the Canary Islands, the Spanish conquistador Alonso Fernandez de Lugo finishes the conquest of the island of La Palma by capturing Tanausu, King of the native Guanches.source
- 1492October 28 – Christopher Columbus lands in what is now the Holguín Province of the island of Cuba.source
- 1492November 3 – The Peace of Étaples is signed between England and France, ending French support for Perkin Warbeck, the pretender to the English throne. All English-held territory in France (with the exception of Calais) is returned to France.source
- 1493January 19 – In the Treaty of Barcelona, King Charles VIII of France returns Cerdagne and Roussillon to King Ferdinand of Aragon.source
- 1493May 23 – The Treaty of Senlis is signed in France at the city of Senlis (in the modern Oise département) between King Charles VIII of France and Maximilian I, King of the Romans, ending the War of the Burgundian Succession between France and the Holy Roman Empire and dividing the Burgundian lands.source
- 1493July – In India, at Srinagar, Muhammad Shah Mir resumes his rule as the Sultan of Kashmir, replacing Fateh Shah Miri, who had ruled since 1486.source
- 1493Huayna Capac becomes emperor of the Inca Empire.source
- 1493James IV of Scotland seizes lands of John of Islay, Earl of Ross, putting an end to the Lord of the Isles.source
- 1494January 25 – Alfonso II becomes King of Naples.source
- 1494February 5 – The war between the Grand Duchy of Moscow and the Grand Duchy of Lithuania ends after almost seven years, with the Tsar Ivan III signing a "treaty of Eternal Peace" with Lithuania's Grand Duke Alexander Jagiellon. Lithuania is guaranteed its independence in return for ceding its territories captured by Moscow.source
- 1494June 7 – Treaty of Tordesillas: Spain and Portugal divide the New World between themselves.source
- 1494July 2 – Spain ratifies the Treaty of Tordesillas to divide the lands discovered outside of Europe between Spain (the Kingdoms of Castile and Aragon) and Portugal, essentially granting Spain almost all of the lands in the Americas and Portugal all of the lands in Africa.source
- 1494July 29 – Jan V Zatorski, ruler of the Duchy of Zator, sells the Duchy to King Jan I Olbracht of Poland for 80,000 florins, on condition that he retains his title and the right to continue to live in his castle for the rest of his life.source
- 1494September 5 – The Kingdom of Portugal ratifies its agreement with Spain, the Treaty of Tordesillas, conceding that Spain has jurisdiction of most of the New World, with the exception of what will eventually become the Portuguese colony of Brazil, initially a longitude of 42°30' W.source
- 1494September 11 – King Charles VIII of France and Ludovico Sforza, regent for the Duke of Milan, meet in Asti and conclude an alliance against King Alfonso II of Naples.source
- 1494October 13 – The British administrator assigned to Ireland, Sir Edward Poynings, arrives at Ireland with about 1,000 men and lands at Howth.source
- 1494December 1 – The Irish Parliament opens at Drogheda on the first Monday after Saint Andrew's Day as summoned by Sir Edward Poynings, to pass the two "Poynings' Laws" restricting Irish self-government. The more drastic of the two laws provides that laws already enacted in England apply to Ireland as well, while the other law directs that the Irish Parliament cannot be summoned without prior approval by the King of England.source
- 1494Charles VIII of France purchases the right to the Byzantine Empire from exiled pretender, Andreas Palaiologos.source
- 1495January 23 – King Alfonso II of Naples abdicates after almost a year on the throne as the army of King Charles VIII of France approaches the Neapolitan border. Alfonso's son becomes the new monarch as King Ferdinand II.source
- 1495March 26 – The inaugural session of the Diet of Worms (Wormser Reichstag), a gathering of the electors and princes of the Holy Roman Empire to discuss reforms of the government, is opened at Worms, Germany, by Maximilian I, the acting Holy Roman Emperor.source
- 1495September 15 – King Henry VII of England summons the English Parliament for the first time in more than three years, directing the members of the House of Commons and the House of Lords to assemble at Westminster on October 14.source
- 1495October 24 – The fifth parliament of England's King Henry VII opens at Westminster.source
- 1495December 22 – At the close of the 1495 Parliament, King Henry VII of England gives royal assent to numerous new laws, including the Treason Act 1495 (An Acte that noe person going with the Kinge to the Warres shalbe attaynt of treason); the Vagabonds and Beggars Act 1495 ("Vagabonds, idle and suspected persons shall be set in the stocks for three days and three nights and have none other sustenance but bread and water and then shall be put out of Town."); and the Suing in Forma Pauperis Act 1495 (allowing "such persons as are poor" to file suit without having to pay court costs).source
- 1495Poynings' Law comes into effect, placing the Parliament of Ireland under the authority of the Parliament of England.source
- 1496November 20 – King Henry VII of England summons the English Parliament to assemble starting on January 16.source
- 1497January 16 – At Westminster, King Henry VII opens his sixth English Parliament for a two-month session. The House of Commons elects Sir Thomas Englefield as its speaker.source
- 1497March 13 – King Henry VII of England gives royal assent to numerous acts passed as parliament adjourns, including the following:source
- 1497September 30 – The Treaty of Ayton establishes a seven-year peace between England and Scotland.source
- 1497October 6 – Sten Sture the Elder agrees to recognize Hans, King of Denmark and of Norway as the rightful King of Sweden and ends his 27-year term as the Swedish Regent.source
- 1497October 18 – The nobles of Sweden's estates formally elect King Hans of Denmark and Norway as King of Sweden, restoring the power of the Kalmar Union.source
- 1499February 9 – The Treaty of Blois is signed between the Kingdom of France and the Republic of Venice as a secret military alliance between the two nations to attack the Duchy of Milan.source
- 1499June 20 – Queen Isabella of Spain orders Christopher Columbus to liberate and repatriate Indians from the New World, declaring that nobody had authorized him to kidnap any of her subjects.source
- 1499September 22 – Treaty of Basel: Maximilian is forced to grant the Swiss de facto independence.source
- 1499Heinrich Cornelius Agrippa matriculates at Cologne University.source