1930 CE
The Salt March, led by Mahatma Gandhi, begins as nonviolent civil disobedience against the British salt monopoly, inspiring the Indian independence movement; the 1930 FIFA World Cup in Uruguay inaugurates the world’s premier international football tournament, with the host nation defeating Argentina; Clyde Tombaugh discovers Pluto at Lowell Observatory, expanding knowledge of the solar system; the Revolution of 1930 overthrows Brazilian President Washington Luís, bringing Getúlio Vargas to power; the 1930 Argentine coup d'état deposes President Hipólito Yrigoyen, starting the "Infamous Decade"; and the Musha Incident sees the Seediq people rise against Japanese colonial rule in Taiwan, resulting in a brutal suppression.
In the 1930s, the 20th century.
1930 at a glance
- World population
- about 2.07 billion Our World in Data
- United States
- Herbert Hoover (President) Wikipedia rev. 1377869146
- United Kingdom
- George V (King); Ramsay MacDonald (Prime minister) Wikipedia rev. 1377869146
- Soviet Union
- Joseph Stalin (General Secretary); Mikhail Kalinin (Chairman of the Central Executive Committee of the Congress of Soviets); Alexei Rykov, then Vyacheslav Molotov (Chairman of the Council of People's Commissars) Wikipedia rev. 1377869146
- Republic of China (1916–1949)
- Chiang Kai-shek (Chairmen); Tan Yankai, then T. V. Soong, then Chiang Kai-shek (Premier) Wikipedia rev. 1377869146
- French Third Republic
- Gaston Doumergue (President); André Tardieu, then Camille Chautemps, then Théodore Steeg (President of the Council of ministers) Wikipedia rev. 1377869146
- Weimar Republic of Germany
- Paul von Hindenburg (President); Hermann Müller, then Heinrich Brüning (Chancellor) Wikipedia rev. 1377869146
- $1 in 1930
- $20.18 in September 2026 dollars BLS CPI-U
Who led every country in 1930 →Born in 1930? What it cost, who led, what was No. 1 →
Geopolitics & Diplomacy
- 21 January – Domingos Oliveira becomes Prime MinisterPortugalsource
- January 26 – The Indian National Congress declares this date as Independence Day, or as the day for Purna Swaraj (Complete Independence).source
- 5 February – Women vote for the first time in Romanian elections.Romaniasource
- February 20 – 1930 Japanese general election: The Rikken Minseitō party, led by Prime Minister Osachi Hamaguchi, won an overall majority in the House of Representatives. Voter turnout was 83.34%.Japansource
- March 2 – André Tardieu begins his second term as Prime Minister of France.source
- March 28 – The government of Turkey requests the international community to adopt Istanbul and Ankara, as the official names for Constantinople and Angora. The U.S. State Department adopts the "Istanbul" form in May.source
- March 29 – Heinrich Brüning is appointed Chancellor of Germany.source
- April 22 – The United Kingdom, Japan and the United States sign the London Naval Treaty to regulate submarine warfare and limit naval shipbuilding.source
- 6 May — China signed tariff treaties with Japan. The Republic of China government obtained itself right of tariff autonomy. Some Japanese goods do not need to pay tariffs.Chinasource
- May 16 – Rafael Trujillo is elected president of the Dominican Republic.source
- June 7 – Carl Gustaf Ekman becomes Prime Minister of Sweden, for the second and final time.source
- 10 June – Agreement between Turkey and Greece concerning the population exchange problems in the 1920s.Turkeysource
- June 15 – Iceland held a parliamentary election to elect members to the Althing (Alþingi), Iceland's parliament.Icelandsource
- July 28 – R. B. Bennett defeats William Lyon Mackenzie King in federal elections and becomes the Prime Minister of Canada.source
- August 7 – R. B. Bennett takes office as the eleventh Prime Minister of Canada.source
- September 14 – 1930 German federal election: National Socialists win 107 seats in the German Parliament, the Reichstag (18.3% of all the votes), making them the second largest party.source
- September 27 – İsmet İnönü forms a new government in Turkey (6th government).source
- October 1 – British rule of Weihaiwei ends, as it is returned to China.source
- 21 October - Lord Passfield, the Secretary of State for the Colonies, issues a white paper, a formal statement of the British policy in Palestine, outlining a more restrictive british policy towards jewish immigration and land settlement.Mandatory Palestinesource
- October 27 – Ratifications are exchanged in London on the first London Naval Treaty signed in April, modifying the Washington Naval Treaty of 1922. Its arms limitation provisions go into effect immediately, hence putting more limits on the expensive naval arms race between its five signatories (the United Kingdom, the United States, the Empire of Japan, France and Italy.)source
- October – The Indochinese Communist Party is formed.source
- 1 November - Beginning of the Vargas Era: the ruling junta hands power and the presidential palace to Getúlio Vargas.Brazilsource
- November 3 – Getúlio Vargas becomes president of Brazil.source
- December 29 – Sir Muhammad Iqbal's presidential address in Allahabad introduces the two-nation theory, outlining a vision for the creation of Pakistan.source
- December – All adult Turkish women are given the right to vote in elections.source
Conflict & Security
- February 10 – The Việt Nam Quốc Dân Đảng launch the Yên Bái mutiny in the hope of ending French colonial rule in Vietnam.source
- March 2 – Mahatma Gandhi informs the British Viceroy of India that civil disobedience will begin the following week.source
- March - The Commission on the Palestine disturbances of August, 1929 presents the Shaw Report to the british parliament. The Report investigates the disturbances in 1929 and gives recommendations for preventing further disturbances and addresses the causes of the conflict.Mandatory Palestinesource
- April 18 – The Chittagong Rebellion begins in India with the Chittagong armoury raid.source
- May 17 – French Prime Minister André Tardieu decides to withdraw the remaining French troops from the Rhineland (they depart by June 30).source
- 8 June – In a coup d'état by parliament, King Carol II takes the throne.Romaniasource
- 26 June – 13 July – 16th Congress of the All-Union Communist Party (Bolsheviks).Soviet Unionsource
- July 3–10 – The First Eastern Women's Congress takes place in Damascus in Syria.source
- July 7 – The far-right Lapua Movement marches in Helsinki, Finland.source
- August 12 – Turkish troops move into Persia to fight Kurdish insurgents.source
- August 27 – A military junta takes over in Peru.source
- September 6 – 1930 Argentine coup d'état: José Félix Uriburu carries out a military coup, overthrowing Hipólito Yrigoyen, President of Argentina.source
- 6 September – 1930 Argentine coup d'état: José Félix Uriburu leads troops into Buenos Aires and carries out a military coup, ousting incumbent president Hipólito Yrigoyen.Argentinasource
- September 17 – The Kurdish Ararat rebellion is suppressed by the Turks.source
- September - The state capital of Paraíba, formerly Parahyba, is renamed João Pessoa, in memory of its assassinated governor.Brazilsource
- October 24 – Revolution of 1930: Getúlio Vargas overthrows Washington Luís.source
- 27 October – Start of Musha Incident.Taiwansource
- November 14 – Prime Minister Osachi Hamaguchi is shot inside Tokyo Station by Tomeo Sagoya in a failed assassination attempt. The wounds kept Hamaguchi hospitalized for several months.Japansource
- 23 December – Menemen Incident in which a group of reactionaries who opposed Atatürk's reforms killed Mustafa Fehmi Kubilay a young lieutenant.Turkeysource
Exploration & Expansion
- 3 May to 3 November – Exposition internationale held in Liège with simultaneous International Exhibition of Colonies, Shipping and Flemish Art held in Antwerp.Belgiumsource
- 13 May – Fridtjof Nansen, explorer, scientist and diplomat, awarded the Nobel Peace Prize in 1922 (born 1861)Norwaysource
- July 26 – Charles Creighton and James Hargis leave New York City for Los Angeles on a roundtrip journey, driving 11,555 km using only a reverse gear; the trip lasts the next 42 days.United Statessource
- October – First Round Table Conference opens in London.Indiasource
- 6 November – South West Africa – Witvlei to Gobabis, 31 mi 44 ch.South Africasource
- The Australia national rugby league team completed the 1929–30 Kangaroo tour of Great Britain.Australiasource
- The founding of the kibbutz Na'an by 42 members of the Noar HaOved youth group, on lands purchased from the Arabic village Al-Na'ani.Mandatory Palestinesource
- Bank for International Settlements was founded, based in BaselSwitzerlandsource
Religion & Belief
- 5 June – The papal bull Solemni conventione defines the boundaries of the Catholic Church in Romania,Romaniasource
- June 29 – Eight Jesuit martyrs become the first Canadian saintsCanadasource
- July 5 – The Seventh Lambeth Conference of Anglican bishops opens. This conference approves the use of birth control in limited circumstances, a move away from the Christian views on birth control expressed by the Sixth Conference a decade earlier.source
- 16 July - Our Lady of Aparecida is proclaimed the Patroness of Brazil, by decree of Pope Pius XI.Brazilsource
- 13 August – The Roman Catholic Archdiocese of Berlin is established.Germanysource
- September 20 – The Eastern Catholic Rite Syro-Malankara Catholic Church is formed.source
- 11 November – The Shrine of Remembrance in Brisbane is dedicated.Australiasource
- November 18 – the Buddhist religious movement Soka Gakkai is formed by educator Tsunesaburō Makiguchi.Japansource
- December 31 – The Papal encyclical Casti connubii, issued by Pope Pius XI, stresses the sanctity of marriage, prohibits Roman Catholics from using any form of artificial birth control, and reaffirms the Catholic prohibition on abortion.source
- Kowhai Gold, an anthology of New Zealand poetry edited by Quentin Pope published in London and New YorkNew Zealandsource
- The Education (Northern Ireland) Act restores 50% government funding to Voluntary (chiefly Catholic) schools and allows religious instruction in controlled schools.Northern Irelandsource
Economy & Finance
- 5 January - The left-wing political party Mapai is founded by the merger of the Hapoel Hatzair (founded by A. D. Gordon) and the original Ahdut HaAvoda (founded in 1919 from the more moderate, right-wing of the Marxist Zionist socialist Russian party Poale Zion, led by David Ben-Gurion).Mandatory Palestinesource
- June 17 – President Herbert Hoover signs the Smoot–Hawley Tariff Act into law, implementing protectionist trade policies in the United States. It has the incidental effect of defining an antique as older than 1830.source
- 9 July – SNNA (Serviciul Național de Navigație Aeriană, The National Air Navigation Service) becomes LANES (Liniile Aeriene Române Exploatate de Stat, Romanian State-Operated Air Lines) representing its status as a state enterprise.Romaniasource
- 20 November – Kjell Storvik, economist and former Governor of the Central Bank of NorwayNorwaysource
- December 21 – The First Gōdō Bank and Sanyō Bank were merged, that became name for Okayama Chūgoku Bank.Japansource
- Premier of Tasmania – John McPheeAustraliasource
- Economic Depression in Estonia.Estoniasource
- The Communist Party of Iceland is founded.Icelandsource
- Increase since previous 31 December 1929: 20,700 (1.39%).New Zealandsource
Technology & Infrastructure
- January 1 – The Ministry of Rail adopts the metric system for all of Japan's railways.Japansource
- January 28 – The first patent for a field-effect transistor is granted in the United States, to Julius Edgar Lilienfeld.source
- January 30 – Pavel Molchanov launches a radiosonde from Slutsk in the Soviet Union.source
- 21 March – The Chilean Air Force is established.Chilesource
- April 21 – The Turkestan–Siberia Railway is completed.source
- May 15 – Nurse Ellen Church becomes the world's first flight attendant, working on a Boeing Air Transport trimotor.source
- July 7 – Building of the Boulder Dam (later known as the Hoover Dam) is started on the Colorado River, in the United States.source
- 12 July – A streetcar accident occurs near Buenos Aires, when the vehicle's operator fails to notice that the moveable bridge for the tracks has been raised to allow a crossing of the Río de la Plata. The car plunges into the river and its passengers are drowned.Argentinasource
- 20 July – Louis Chiron wins the 1930 Belgian Grand Prix at Spa–Francorchamps.Belgiumsource
- 30 July – The Order of Aeronautical Virtue is established as a military order.Romaniasource
- September 8 – Scotch Tape, invented by Richard Gurley Drew, is sold by the 3M company in the United States for the first time.source
- 12 September – Sound newsreels appear for the first time in German cinemas.Germanysource
- The Icelandic State Radio named RUV begins broadcasting.Icelandsource
- One Class 8X 2-8-0 locomotive is rebuilt to a 4-8-0 configuration and reclassified to the only member of Class 8R.South Africasource
Science & Discovery
- January 6 – An early literary character licensing agreement is signed by A. A. Milne, granting Stephen Slesinger U.S. and Canadian merchandising rights to the Winnie-the-Pooh works.Canadasource
- January 15 – The Moon moves into its nearest point to Earth, called perigee, at the same time as its fullest phase of the Lunar Cycle. This is the closest moon distance at 356,397 km in recent history, and the next one will be on January 1, 2257, at 356,371 km.source
- February 18 – While studying photographs taken in January, Clyde Tombaugh confirms the existence of Pluto, a celestial body considered a planet until redefined as a dwarf planet in 2006.source
- 28 February - Sir C V Raman Received Nobel Prize in Physics.Indiasource
- 14 April – Cape – Fort Knokke to Woltemade no. 1, 4 mi 5 ch.South Africasource
- April 17 – Neoprene is invented by DuPont.source
- May 24 – Amy Johnson lands in Darwin, Australia, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight).source
- May 30 – Film director Sergei Eisenstein arrives in Hollywood to work for Paramount Pictures; they part ways by October.United Statessource
- 21 June – Trygve Reenskaug, computer scientistNorwaysource
- July 11 – Australian cricketer Don Bradman scores a world record 309 runs in one day, on his way to the highest individual Test innings of 334, during a Test match against England.source
- 26 July – The cargo schooner Nobiskrug is launched from Rendsburg harbour.Germanysource
- July 29 – British airship R100 sets out for a successful 78-hour passage to Canada.source
- December 24 – In London, inventor Harry Grindell Matthews demonstrates his device to project pictures on clouds.source
- Bernhard Schmidt invents the Schmidt camera.source
- NHK Science & Technology Research Laboratories was foundedJapansource
- 24,25,27 January Basin Reserve, Wellington. New Zealand (440 and 164/4dec.) drew with England (320 and 107/4).New Zealandsource
Health & Medicine
- 6 January – Don Bradman scores a record 452 not out in one cricket innings.Australiasource
- March 31 – The Motion Picture Production Code (Hays Code) is instituted by the studios in the United States, imposing strict guidelines on the treatment of sex, crime, religion and violence in films for the next 40 years.source
- March 31 – The Motion Pictures Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in motion pictures for the next 40 years.United Statessource
- April 6 – In an act of civil disobedience, Mahatma Gandhi breaks the salt laws of British India by making salt by the sea at the end of the Salt March.source
- 6 April – In an act of civil disobedience, Mahatma Gandhi breaks British law after marching to the sea and taking salt.Indiasource
- June 14 – The Federal Bureau of Narcotics is established under the United States Department of the Treasury, replacing the Narcotics Division of the Prohibition Unit.source
- June 19 – 1930 Alberta general election: Premier John Brownlee's United Farmers of Alberta win a third consecutive majorityCanadasource
- 3 October - Nationwide outbreak of the Revolution of 1930.Brazilsource
- October 20 – The British Passfield white paper demands restrictions on Jewish immigration into Mandatory Palestine.source
- 24 October – Johan Galtung, sociologistNorwaysource
- November 25 – Cecil George Paine, a pathologist at the Sheffield Royal Infirmary in England, achieves the first recorded cure (of an eye infection) using penicillin.source
- 29 December – The first and only census of Greater Romania reports that the population is 18,057,028, of which 28% are non-Romanian.Romaniasource
- Estimated population as of 31 December: 1,506,800.New Zealandsource
Crime & Justice
- April 11 – Anglo-Indian hunter Jim Corbett shot the second of the man-eating tigers of Chowgarh.source
- 13 April – Corneliu Zelea Codreanu forms the Iron Guard out of the far right Legion of the Archangel Michael as a larger paramilitary organisation.Romaniasource
- 9 May - An elephant from the Monmouth mop fair escapes, and wades in the River Monnow before recapture.Walessource
- 22 June – The growth of the Nazi Party continues as they become the second biggest party in the Landtag of SaxonyGermanysource
- August 7 – Lynching of Thomas Shipp and Abram Smith in Marion, Indiana. They are hanged; James Cameron survives. This will be the last recorded lynching of African Americans in the Northern United States.United Statessource
- October 14 – Ståhlberg kidnapping: The former and first President of Finland, Kaarlo Juho Ståhlberg, and his wife, Ester Ståhlberg, are kidnapped from their home by members of the far-right Lapua Movement but released unharmed.source
- 25 November – 7 December – The Industrial Party Trial is held.Soviet Unionsource
- 20 December – R v Betts and Ridley: a landmark case in English criminal law which establishes that it is not necessary for an accessory actually to be present when an offence is carried out in order to be convicted of a crime.United Kingdomsource
- 4–5 May – Mohandas Gandhi is arrested again.Indiasource
- New Zealand Trotting Cup – WracklerNew Zealandsource
Disasters & Accidents
- 22 January – SS Monte Cervantes struck a rock off Ushuia, Chile and sank with the loss of her captain.Germanysource
- 18 April – 118 people die in the Costești wooden church fire.Romaniasource
- April 21 – A fire in the Ohio Penitentiary in Columbus, United States kills 320 people.source
- April 21 – A fire in the Ohio Penitentiary near Columbus kills 320 people.United Statessource
- June 26 – John B. King ExplosionCanadasource
- October 5 – British airship R101, the world's largest flying craft, crashes in France en route to India, on its first overseas flight, resulting in the loss of 48 lives, with six survivors. Those killed include Britain's Air Minister, Christopher Thomson, 1st Baron Thomson.source
- 5 October – British airship R101 crashes in France en route to India on its maiden overseas voyage killing 48 of the 54 on board.United Kingdomsource
- 17 November – SCF dissolved itselfTurkeysource
- 21 November: A flying boat airliner I-RONY, operating on a passenger flight for Società Anonima Navigazione Aerea (SANA), disappears over the Mediterranean Sea during a flight from Barcelona, Spain, to Marseille, France; all six people on board are lost.Italysource
- Production begins at Cefn Coed Colliery, the world's deepest anthracite mine.Walessource
Climate & Environment
- March 6 – The first frozen foods of Clarence Birdseye go on sale in Springfield, Massachusetts.source
- May 7 – The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to 3000 people were killed.Iransource
- 7 May – The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of X (Extreme). Up to three-thousand people were killed.Turkeysource
- 13 August - 1930 Curuçá River event: The area of Curuçá River near latitude 5° S and longitude 71.5° W experiences a meteoric air burst (also known as the Brazilian Tunguska event).Brazilsource
- August – The volcanic island of Anak Krakatau begins to form permanently in the Sunda Strait.source
- September 3 – The huge 1930 San Zenón hurricane in the Caribbean demolishes most of the city of Santo Domingo in the Dominican Republic.source
- 21 October - The Hope Simpson Royal Commission publishes the Hope Simpson Report, following the widespread 1929 Palestine riots, which recommends limiting Jewish immigration, claiming a lack of agricultural land to support such immigration.Mandatory Palestinesource
- November 25 – An earthquake in the Izu Peninsula of Japan kills 223 people and destroys 650 buildings.source
- December 19 – Mount Merapi volcano in central Java, Indonesia, erupts, destroying numerous villages and killing 1,300 people.source
- George Moore publishes Aphrodite in Aulis and A Flood.Irelandsource
- 21,22,24 February at Eden Park: England (540 and 22/3) drew with New Zealand (387) – this fourth Test was arranged due to the rain washout of the third test.New Zealandsource
- 10,11,13 January Lancaster Park, Christchurch. New Zealand (112 and 131) lost by eight Wickets to England (181 and 66/2).New Zealandsource
- A record drought in the eastern part of the nation sees Upper Tract, West Virginia record only 9.50 in of precipitation for the year – the record lowest for a calendar year in the US east of the Mississippi. Averaged over the contiguous US the twelve months from July 1930 to June 1931 remains the driest such period on record.United Statessource
Culture & Society
- 3 March – The Romanian Society of Geology is founded with Ludovic Mrazek as president.Romaniasource
- March 6 – International Unemployment Day is observed in countries throughout the world.source
- 10 March – Goodbye Argentina (Adiós Argentina), the first Argentine film with a (musical) soundtrack, is released, giving Ada Cornaro her first starring role and Libertad Lamarque her film debut.Argentinasource
- March 12 – Mahatma Gandhi sets off on a 200-mile march towards the sea with 78 followers to protest against the British monopoly on salt in India; more will join them during the Salt March that ends on April 5.source
- April 6 – The International Left Opposition (ILO) is founded in Paris, France.source
- 12 April – FC Wangen bei Olten is foundedSwitzerlandsource
- April 19 - Football Association of Indonesia (PSSI) foundedsource
- May 10 – The National Pan-Hellenic Council is founded in Washington, D.C.source
- July 4 – The dedication of George Washington's sculpted head is held at Mount Rushmore, South Dakota.source
- July 13 – The inaugural FIFA World Cup begins: Lucien Laurent scores the first goal, for France against Mexico.source
- July 19 – Georges Simenon's detective character Inspector Jules Maigret makes his first appearance in print under Simenon's own name, when the novel Pietr-le-Letton (known in English as The Strange Case of Peter the Lett) begins serialization in a French weekly magazine.source
- July 30 – Uruguay beats Argentina 4–2 to win the first FIFA World Cup final in Association football, at Estadio Centenario in Montevideo.source
- August 9 – The cartoon character Betty Boop debut in the Fleischer Studios short film Dizzy Dishes.source
- 12 August – Liberal Republican Party (SCF) was foundedTurkeysource
- August 16 – The first British Empire Games open in Hamilton, Ontario, Canada.source
- October 3 – The German Socialist Labour Party in Poland – Left is founded, following a split in the DSAP in Łódź.source
- 18 October – The opening of Changhua Wude Hall in Taichū Prefecture.Taiwansource
- November 2 – Haile Selassie is crowned emperor of Ethiopia.source
- date unknown - The National Institute of Metrology Standardization and Industrial Quality (INMETRO) is founded.Brazilsource
- C.D. Titán, a Salvadoran football club, was established.El Salvadorsource
- The Technical University of Lisbon establishedPortugalsource
Births
- January 20 – Buzz Aldrin, American pilot, astronaut (Apollo 11), second person to set foot on the Moonsource
- 8 March – Douglas Hurd, seventh Secretary of State for Northern Ireland.Northern Irelandsource
- March 22 – Stephen Sondheim, American composer and lyricist (died 2021)source
- April 3 – Helmut Kohl, Chancellor of Germany (died 2017)source
- April 28 – James Baker, former United States Secretary of State and United States Secretary of the Treasurysource
- May 13 – Mike Gravel, American politician, former Senator of Alaska and Presidential candidate (died 2021)source
- May 22 – Harvey Milk, American politician and gay rights activist (died 1978)source
- May 31 – Clint Eastwood, American actor, director, and producersource
- 31 May – Uno Loop, Estonian singerEstoniasource
- June 11 – Charles Rangel, African-American politician (died 2025)source
- 13 July - Naomi Shemer, leading Israeli songwriter and composer (died 2004).Mandatory Palestinesource
- August 5 – Neil Armstrong, American astronaut, first human to set foot on the Moon, commander of Apollo 11 (died 2012)source
- August 12 – George Soros, Hungarian-born investorsource
- August 21 – Princess Margaret, Countess of Snowdon (died 2002)source
- August 30 – Warren Buffett, American billionaire entrepreneursource
- October 6 – Hafez al-Assad, President of Syria (died 2000)source
- October 14 – Mobutu Sese Seko, President of Democratic Republic of the Congo (died 1997)source
- 21 October – Ivan Silayev, politician (died 2023)Soviet Unionsource
Deaths
- 26 February – Ahmet Rıza (born in 1858), politicianTurkeysource
- March 2 – D. H. Lawrence, British writer (born 1885)source
- March 6 – Alfred von Tirpitz, German politician, admiral (born 1848)source
- March 8 – William Howard Taft, 27th President of the United States, 10th Chief Justice of the United States (born 1857)source
- March 19 – Arthur Balfour, British politician and statesman, 48th Prime Minister of the United Kingdom (born 1848)source
- April 1 – Cosima Wagner, wife and inspiration of Richard Wagner (born 1837)source
- April 14 – Vladimir Mayakovsky, Russian poet (born 1893)source
- 14 April – Vladimir Mayakovsky, poet (born 1893)Soviet Unionsource
- May 6 – The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey, with a maximum Mercalli intensity of IX (Violent); up to 3,000 people are killed.source
- May 13 – Fridtjof Nansen, Norwegian explorer, recipient of the Nobel Peace Prize (born 1861)source
- May 25 – Randall Davidson, English clergyman, Archbishop of Canterbury (born 1848)source
- July 7 – Sir Arthur Conan Doyle, British fiction writer (Sherlock Holmes) (born 1859)source
- 10 August – May Crommelin, novelist and travel writer (born 1849/1850).Northern Irelandsource
- August 12 – Sir Horace Smith-Dorrien, English general (born 1858)source
- August 26 – Lon Chaney, American actor (born 1883)source
- 28 November – Mona Rudao, Seediq chiefTaiwansource
- November – Alfred Wegener, German geophysicist, meteorologist (born 1880)source
- December 17 – Peter Warlock, British composer (born 1894)source