1946 CE
The Nuremberg Trials deliver landmark verdicts against top Nazi leaders, establishing precedents in international law; the Nuclear testing at Bikini Atoll begins as the United States detonates atomic bombs in the Pacific, ushering in the nuclear age; the Greek Civil War erupts, one of the first proxy conflicts of the Cold War; the First Indochina War begins as the Viet Minh fight French colonial rule in Vietnam; the launch of the ENIAC computer marks a milestone in modern computing; the King David Hotel bombing by Irgun targets British headquarters in Jerusalem, escalating tensions in Mandatory Palestine; the Iran crisis of 1946 tests Western resolve as Soviet troops delay withdrawal from northern Iran; Direct Action Day sparks deadly communal riots in Calcutta, intensifying tensions ahead of Partition; and the release of It's a Wonderful Life which becomes an enduring film classic.
Geopolitics & Diplomacy
- January 7 – The Allies of World War II recognize the Austrian republic with its 1937 borders, and divide the country into four occupation zones.source
- January 11 – Enver Hoxha declares the People's Republic of Albania, with himself as prime minister. He will remain effectively as a dictator of the country until his death in 1985.source
- January 16 – Charles de Gaulle resigns as head of the French provisional government.source
- January 22 – Iran crisis of 1946: Qazi Muhammad declares the independent people's Republic of Mahabad, at the Chahar Cheragh Square in the Kurdish city of Mahabad. He is the new president; Haji Baba Sheikh is the prime minister.source
- January 31 – The last session of the Permanent Court of International Justice occurs.source
- January 31 – Yugoslavia's new constitution, modeled on the Soviet Union, establishes 6 constituent republics (Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia and Slovenia).source
- February 1 – The Kingdom of Hungary becomes a republic, heavily influenced by the Soviet Union.source
- April 1 – The Malayan Union is formed on dissolution of the British Military Administration and Singapore becomes a Crown colony.source
- May 9 – King Victor Emmanuel III of Italy abdicates, and is succeeded by his son Umberto II.source
- June 1 – D'Argenlieu, French High Commissioner for Indo-China, recognizes an autonomous "Republic of Cochin-China" in violation of the March 6 Ho–Sainteny agreement, opening the way for conflict between the Viet Minh and France.source
- June 13 – Umberto II of Italy leaves the country and goes into exile in Portugal; Alcide De Gasperi becomes head of state.source
- June 17 – Formal ratification of the Treaty of London grants independence to the Hashemite Kingdom of Transjordan.source
- July 4 – After more than 48 years of American dominance, the Philippines attains full independence as the 3rd Republic; Manuel A. Roxas is 5th President of the Philippines. It marks the end of nearly 400 years of colonial era when the Viceroyalty of New Spain took control since April 27, 1565.source
- July 16 – The Bureau of Land Management (BLM) within the Department of the Interior is formed by the merger of the Grazing Service and United States General Land Office.source
- August 7 – The Soviet Union escalates the Turkish Straits crisis through a diplomatic demand to Turkey.source
- August 16 – The Kurdistan Democratic Party is founded in South Kurdistan.source
- September 2 – The Interim Government of India takes charge, with Jawaharlal Nehru as vice president, as part of the transition from the British Raj to full independence for India and Pakistan.source
- September 8 – Bulgaria is declared a People's Republic after a referendum; King Simeon II leaves.source
- October 11 – After a few days of vacancy, the Swedish premiership is taken over by Tage Erlander.source
- November 19 – 1946 Romanian general election: The Romanian Communist Party wins 79.86% of the vote, through widespread intimidation tactics and electoral fraud.source
- December 1 – Miguel Alemán Valdés takes office as President of Mexico.source
- December 14 – The International Labour Organization becomes a specialized agency of the United Nations.source
- December 14 – Proposed United States purchase of Greenland from Denmark: An offer is made through diplomatic channels.source
- December 20 – Film It's a Wonderful Life is released in the United States; it becomes an enduring classic.source
Conflict & Security
- January 19 – Expulsion of Germans of Hungary begins from Wudersch.source
- January 19 – General Douglas MacArthur establishes the International Military Tribunal for the Far East in Tokyo, to try Japanese war criminals.source
- February 15 – The Gouzenko Affair: Canada announces the discovery of a ring of Canadian communist spies based at the Soviet embassy in Ottawa, passing atomic bomb secrets to Russia.source
- March 5 – In a speech at Westminster College, in Fulton, Missouri, Winston Churchill talks about the Iron Curtain.source
- April 1 – The Battle of Määritsa takes place between Estonian partisans and Soviet forces in southeastern Estonia.source
- April 3 – Japanese Lt. General Masaharu Homma is executed outside Manila in the Philippines, for leading the Bataan Death March.source
- April 14 – Sh'erit ha-Pletah members of Nakam, the "Jewish Avengers", use arsenic to poison bread baked for SS prisoners of war held at Stalag XIII-D by the Americans.source
- April 18 – The League of Nations, in its last meeting, transfers its mission to the United Nations and disbands itself.source
- April 18 – The inaugural session of the International Court of Justice (ICJ) takes place at The Hague.source
- June 8 – In Indonesia, Sukarno incites his supporters to fight Dutch colonial occupation.source
- June 30 – The War Relocation Authority, which has administered the internment of Japanese Americans, is abolished.source
- July 4 – The Kielce Pogrom takes place in Poland.source
- July 21 – An Irgun bomb explodes in Jerusalem, during secretive talks between Jews and Britain to consolidate the state of Israel.source
- July 22 – King David Hotel bombing: The Irgun bombs the King David Hotel (headquarters of the British civil and military administration) in Jerusalem, killing 90.source
- August 16 – Direct Action Day: Violence between Muslims and Hindus in Calcutta begins "The Week of the Long Knives", which leaves 3,000 dead.source
- August 18 – The Vergarola explosion of ordnance in Croatia kills 70.source
- September 10 – Operation Black Tulip, the expulsion of Germans from the Netherlands, begins in Amsterdam.source
- October 10 – The Noakhali riots in Bengal begin: several hundred Hindus are massacred by Muslims.source
- October 24–November 11 – 1946 Bihar riots: Hindu mobs target Muslim families in the Indian state of Bihar, resulting in anywhere between 2,000 and 30,000 deaths.source
- November 23 – Vietnamese riot in Haiphong and clash with French troops. In the Haiphong incident, the French cruiser Suffren opens fire, killing 6,000 Vietnamese.source
- December 12 – Iran crisis of 1946: Iranian troops recapture the Azerbaijan province.source
- December 15 – Iran crisis of 1946: Iranian troops recapture the Kurdish Republic of Mahabad.source
- December 19 – Viet Minh forces begin a war against French occupying forces in Vietnam, succeeding in 1954 with France's surrender at the Battle of Dien Bien Phu.source
- The Chinese Civil War intensifies between the Kuomintang and the Chinese Communist Party.source
Exploration & Expansion
- January 28 – The Canadian schooner Bluenose founders on a Haitian reef.source
- April 28 – Kinderdorf Pestalozzi (Pestalozzi Children's Village) is established at Trogen, Switzerland to accommodate and educate orphans of World War II, according to Johann Heinrich Pestalozzi's principles.source
- July 5 – The bikini is first modeled in Paris.source
- November 12 – In Chicago, a branch of the Exchange National Bank (later part of the Bank of America) opens the first 10 drive-up teller windows.source
- December 14 – Aspen Skiing Company opens Aspen Mountain (ski area) in Colorado with Ski Lift No. 1, at 7980 ft km the world's longest chairlift at this time.source
- Eva Perón tours Spain, Italy and France on behalf of Argentina, a circuit called the Rainbow Tour.source
Religion & Belief
- January 10 – The first meeting of the United Nations is held, at Methodist Central Hall Westminster in London.source
- January 17 – The United Nations Security Council holds its first session, at Church House, Westminster in London.source
- September 19 – The idea of the Council of Europe is introduced in a speech by Winston Churchill at the University of Zurich.source
- December 10 – John Peters Humphrey, main author of the Universal Declaration of Human Rights, becomes Director of the United Nations Division of Human Rights.source
Economy & Finance
- May 7 – Tokyo Telecommunications Engineering (later renamed Sony) is founded, with about 20 employees.source
- August 1 – The Scandinavian Airlines System is founded as a consortium of the flag carriers of Sweden, Denmark and Norway.source
- September 7 – First devaluation in Turkey: the lira loses 40% of its value.source
- September 24 – Cathay Pacific Airways is founded in Hong Kong, by American Roy Farrell and Australian Sydney de Kantzow.source
- November 27 – Indian Prime Minister Jawaharlal Nehru appeals to the United States and the Soviet Union to end nuclear testing and start nuclear disarmament, stating that such an action would "save humanity from the ultimate disaster."source
Technology & Infrastructure
- January 19 – The Bell XS-1 is test flown for the first time (unpowered), with Bell's chief test pilot Jack Woolams at the controls.source
- February 14 – ENIAC (for "Electronic Numerical Integrator and Computer"), an early general-purpose electronic computer, is unveiled at the University of Pennsylvania; it weighs 60,000 pounds (over 27 tons), and occupies a big room.source
- March 8 – The Bell 47 becomes the first helicopter certified for civilian use in the United Statessource
- June 3 – Interpol is re-founded; the telegraphic address "Interpol" is adopted.source
- June 25 – The International Bank for Reconstruction and Development (IBRD) (World Bank) begins operations.source
- July 25 – In the last mass lynching in the United States, a mob of white men shoot and kill two African-American couples, near Moore's Ford Bridge in Georgia.source
- July 25 – Nuclear testing: In the first underwater test of the atomic bomb, the surplus is sunk near Bikini Atoll in the Pacific Ocean, when the United States detonates the Baker device during Operation Crossroads.source
- September 1 – 1946 Turin Grand Prix, the first official Formula One Grand Prix, is held in Italy.source
- October 14 – The International Organization for Standardization (ISO) is founded.source
- October 16 – The United Nations' first meeting in Long Island is held.source
- December 25 – The first artificial, self-sustaining nuclear chain reaction in Europe is initiated, within the Soviet (Russian) nuclear reactor F-1.source
- The Casio company is founded by engineer Tadao Kashio in Japan.source
Science & Discovery
- January 10 – Project Diana bounces radar waves off the Moon, measuring the exact distance between the Earth and the Moon, and proves that communication is possible between Earth and outer space, effectively opening the Space Age.source
- May 10 – The first V-2 rocket to be successfully launched in the United States is fired from White Sands Missile Range.source
- July 1 – Nuclear testing: Operation Crossroads, a series of nuclear weapon tests conducted by the United States at Bikini Atoll in Micronesia, is initiated by the detonation of Able at an altitude of 520 feet (158 m).source
- The 20 mm M61 Vulcan Gatling gun contract is released.source
- The Magic 8 Ball is invented by Albert C. Carter and Abe Bookman.source
Health & Medicine
- May 1 – At least 800 Indigenous Australian pastoral workers walk off the job in Northwest Western Australia, starting one of the longest industrial strikes in Australia.source
Crime & Justice
- January 22 – The National Intelligence Authority, and its operational arm, the Central Intelligence Group, are established in the United States; these become part of the Central Intelligence Agency in 1947.source
- April 29 – Trials against war criminals begin in Tokyo; the accused include Hideki Tojo, Shigenori Tōgō and Hiroshi Ōshima.source
- June 1 – Ion Antonescu, prime minister and "Conducator" (Leader) of Romania during World War II, is executed: he was found guilty of betraying the Romanian people for the benefit of Germany and sentenced to death by the Bucharest People's Tribunal.source
- October 15 – Nuremberg trials: Hermann Göring, founder of the Gestapo and recently convicted Nazi war criminal, poisons himself two hours before his scheduled execution.source
- October 16 – The remaining ten Nazi war criminals sentenced to death at the Nuremberg trials are executed by hanging, in a gymnasium in the Palace of Justice, Nuremberg.source
- December 22 – The Havana Conference begins between U.S. organized crime bosses in Havana, Cuba.source
- The first female police officers are hired in Korea and Japan.source
Disasters & Accidents
- February 20 – An explosion kills more than 400 coal miners in Bergkamen, West Germany.source
- April 5 – A British Fleet Air Arm Vickers Wellington crashes into a residential area in Rabat, Malta during a training exercise, killing all 4 crew members and 16 civilians on the ground.source
- April 25 – Naperville train disaster: The Chicago, Burlington & Quincy's Exposition Flyer crashes at speed into the rear of the Advance Flyer at Loomis Street in Naperville, Illinois; 45 are killed.source
- May 21 – Manhattan Project physicist Louis Slotin accidentally triggers a fission reaction at the Los Alamos National Laboratory in the United States and, although saving his coworkers, gives himself a lethal dose of ionizing radiation, making him the second victim of a criticality accident in history (the incident is initially treated as classified information).source
- December 7 – The Winecoff Hotel fire in Atlanta, United States, kills 119.source
Climate & Environment
- April 1 – The 8.6 Aleutian Islands earthquake shakes the Aleutian Islands, with a maximum Mercalli intensity of VI (Strong). A destructive tsunami reaches the Hawaiian Islands, resulting in many deaths, mostly in Hilo. Between 165 and 173 are killed.source
- May 23–24 – A two-day violent tornado outbreak occurs across the Central United States, with at least 15 significant tornadoes killing four people and injuring 42 others.source
- June 23 – 1946 French India municipal election: The National Democratic Front wins a landslide victory.source
- June 23 – The 7.5 Vancouver Island earthquake affects the island, with a maximum Mercalli intensity of VIII (Severe). Two people are killed.source
- August 4 – The 1946 Dominican Republic earthquake (magnitude 8.0) hits the northern Dominican Republic, killing 100 and leaving 20,000 homeless.source
- September 4 – Street violence between Muslims and Hindus erupts in Bombay.source
- November 10 – At least 1,400 people are killed when the 6.8–7.0 Ancash earthquake affects the Quiches District of Peru with a maximum Mercalli intensity of X (Extreme).source
- December 21 – 1946 Nankai earthquake: At least 1,362 people are killed in an earthquake and associated tsunami in Japan.source
Culture & Society
- March 7 – The 18th Academy Awards Ceremony is held. Best Picture goes to The Lost Weekend.source
- July 25 – At Club 500 in Atlantic City, New Jersey, Dean Martin and Jerry Lewis stage their first show as a comedy team.source
- August 3 – Santa Claus Land opens to the public at Santa Claus, Indiana. It becomes the first themed park, preceding Disneyland by 9 years, and is later renamed Holiday World.source
- August 16 – The All Hyderabad Trade Union Congress is founded in Secunderabad, India.source
- October 1 – Mensa, an international organization for people with a high intelligence quotient (IQ), is founded by Roland Berrill, an Australian-born lawyer, and Lancelot Ware, an English biochemist and lawyer, in Oxford.source
- October 23 – The United Nations General Assembly convenes for the first time, at an auditorium in Flushing, Queens, New York City.source
- November 4 – UNESCO (the United Nations Educational, Scientific and Cultural Organization) is established as a specialized agency of the United Nations.source
- November 23 – The Workers' Party of South Korea is founded.source
- November 29 – The Central All-Indonesian Workers Organization (SOBSI) is founded in Jakarta.source
- December 11 – UNICEF (the United Nations International Children's Emergency Fund) is founded.source
- Cancelled 1946 FIFA World Cup.source
Births
- January 5 – Diane Keaton, American actress, film director (Annie Hall) (d. 2025)source
- January 19 – Dolly Parton, American singer-songwriter, actress, businesswoman and philanthropist (d. 2026)source
- April 2 – Hamengkubuwono X, Sultan of the historic Yogyakarta Sultanate in Indonesia, Governor of Yogyakarta Special Regionsource
- April 22 – Allahverdi Baghirov, (d. 1992) Azerbaijani officer, leader of the Azerbaijani Popular Front Party of Agdam and head coach of Qarabağ FKsource
- July 6 – Sylvester Stallone, American actor, screenwriter and film director (Rocky)source
- July 9 – Mitch Mitchell, English drummer (The Jimi Hendrix Experience) (d. 2008)source
- July 15 – Linda Ronstadt, American singer, songwriter ("You're No Good")source
- September 1 – Barry Gibb, Manx-born Australian-British singer (Bee Gees)source
- September 5 – Freddie Mercury, British-Indian singer-songwriter, pianist and frontman of rock band Queen (d. 1991)source
- September 27 – Nicos Anastasiades, Cypriot businessperson and former president of Cyprussource
- October 4 – Chuck Hagel, American politician, 24 United States Secretary of Defensesource
- November 4 – Laura Bush, First Lady of the United Statessource
- December 22 – Kuwasi Balagoon, American political activist, anarchist and member of the Black Panther Party and Black Liberation Army (d. 1986)source
- December 24 – Jeff Sessions, American politician, United States Attorney Generalsource
Deaths
- January 10 – László Bárdossy, Hungarian diplomat, politician and 33rd Prime Minister of Hungary (executed) (b. 1890)source
- March 12 – Ferenc Szálasi, Hungarian military officer, Fascist politician and 37th Prime Minister of Hungary (executed) (b. 1897)source
- June 6 – Gerhart Hauptmann, German writer, Nobel Prize laureate (b. 1862)source
- June 9 – In Thailand, King Bhumibol Adulyadej (Rama IX) accedes to the throne after the death of his elder brother, King Ananda Mahidol (Rama VIII). He will reign until his death on October 13, 2016.source
- June 9 – Ananda Mahidol (Rama VIII), King of Thailand (assassinated) (b. 1925)source
- June 10 – Carruthers Beattie, first principal and Vice Chancellor of the University of Cape Town (b. 1866)source
- June 29 – Miroslav Filipović, Bosnian-Croatian Franciscan friar, Ustashe military chaplain and war criminal (executed) (b. 1915)source
- July 17 – Draža Mihailović, Yugoslav Serb general in WWIII and leader of Chetniks (executed) (b. 1893)source
- July 21 – Gualberto Villarroel, 39th President of Bolivia (lynched) (b. 1908)source
- July 28 – Alphonsa of the Immaculate Conception, Indian Syro-Malabar Catholic and Eastern Catholic religious sister and saint (b. 1910)source
- August 13 – H. G. Wells, British science fiction writer, historian (The Time Machine) (b. 1866)source
- October 5 – István Bethlen, Hungarian aristocrat, statesman and 28th Prime Minister of Hungary (b. 1874)source
- October 16 – Joachim von Ribbentrop, German Nazi foreign minister (b. 1893)source
- December 10 – Walter Johnson, American baseball player (Washington Senators), MLB Hall of Famer (b. 1887)source