1940

WORLD HISTORY · 1940 日本語

Events of 1940Showa 15 (Japan) · Year of the Dragon

159Events
Showa 15Japanese era
DragonChinese zodiac
86Age in 2026
Pages for every era, every decade and every year from 1910 to 2026

What happened in 1940?

In 1940, Konoe Fumimaro formed his second cabinet, and all of Japan's political parties dissolved and merged into the Imperial Rule Assistance Association. Abroad, Germany forced France to surrender, and Winston Churchill became British prime minister.

  1. Saito Takao gives antimilitary speech in DietAsia
  2. Germany invades Norway and DenmarkEurope
  3. Churchill becomes British prime ministerEurope
  4. France signs armistice with GermanyEurope
  5. Second Konoe cabinet formedAsia
  6. Parties dissolve into Imperial Rule Assistance AssociationAsia
  7. Japanese troops enter northern French IndochinaAsia
  8. Roosevelt wins historic third termNorth America

Tap an event to jump to it in the timeline below.

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1940 at a glance

Japanese eraShowa 15
Chinese zodiacYear of the Dragon
Age of people born in 1940Turn 86 in 2026
Previous / next year1939 (Showa 14) / 1941 (Showa 16)
Events159
AP World HistoryUnit 7 (Global Conflict)
AP U.S. HistoryPeriod 7

Famous people born in 1940

Our birthday pages list 661 people born in 1940. Here are some of them.

  • Bruce LeeBorn November 27 · turns 86 this year · American-born martial artist and actor who made kung fu films a worldwide craze…
  • John LennonBorn October 9 · turns 86 this year · English singer and songwriter who co-led the Beatles with Paul McCartney and la…
  • Chuck NorrisBorn March 10 · turns 86 this year · American martial arts champion and actor known for action movies and the TV ser…
  • PeléBorn October 23 · turns 86 this year · Brazilian soccer legend who led Brazil to three World Cup titles and helped pop…
  • Al PacinoBorn April 25 · turns 86 this year · American actor famous for playing Michael Corleone in The Godfather and winning…
  • Jack NicklausBorn January 21 · turns 86 this year · American golfer nicknamed the Golden Bear who holds the record of 18 profession…
  • Smokey RobinsonBorn February 19 · turns 86 this year · American singer, songwriter, and Motown executive who led the Miracles and wrot…
  • John LewisBorn February 21 · turns 86 this year · American civil rights leader who chaired SNCC, marched at Selma, and represente…
  • Mario AndrettiBorn February 28 · turns 86 this year · Italian-born American race car driver who won the Daytona 500, the Indianapolis…
  • John HavlicekBorn April 8 · turns 86 this year · Hall of Fame basketball player who won eight NBA championships with the Boston…
  • Herbie HancockBorn April 12 · turns 86 this year · American jazz pianist and composer behind Watermelon Man, Chameleon, and the 19…
  • Kip ThorneBorn June 1 · turns 86 this year · American physicist who shared the 2017 Nobel Prize in Physics for his key role…
Show 28 more
  • Wilma RudolphBorn June 23 · turns 86 this year · American sprinter who became the first U.S. woman to win three track-and-field…
  • Ringo StarrBorn July 7 · turns 86 this year · English drummer and singer of the Beatles who went on to a successful solo care…
  • Patrick StewartBorn July 13 · turns 86 this year · English actor of stage and screen best known as Captain Jean-Luc Picard in Star…
  • Alex TrebekBorn July 22 · turns 86 this year · Canadian-born American television host best known for presenting the quiz show…
  • Brian De PalmaBorn September 11 · turns 86 this year · American film director known for stylish suspense films including Carrie, Scarf…
  • Richard PryorBorn December 1 · turns 86 this year · American comedian, actor, and writer known for fearless stand-up and hit films…
  • Frank ZappaBorn December 21 · turns 86 this year · American composer, guitarist, and satirist who led the Mothers of Invention and…
  • Tarō AsōBorn September 20 · turns 86 this year
  • Anthony FauciBorn December 24 · turns 86 this year
  • Don NelsonBorn May 15 · turns 86 this year
  • Prathia HallBorn January 1 · turns 86 this year
  • Jim BakkerBorn January 2 · turns 86 this year
  • Saud bin Faisal bin Abdulaziz Al SaudBorn January 2 · turns 86 this year
  • Bernard BlautBorn January 3 · turns 86 this year
  • Leo de BerardinisBorn January 3 · turns 86 this year
  • Brian JosephsonBorn January 4 · turns 86 this year
  • Gao XingjianBorn January 4 · turns 86 this year
  • Athol GuyBorn January 5 · turns 86 this year
  • Pim de la ParraBorn January 5 · turns 86 this year
  • Van McCoyBorn January 6 · turns 86 this year
  • Cristy LaneBorn January 8 · turns 86 this year
  • Barbara BuczekBorn January 9 · turns 86 this year
  • Ruth DreifussBorn January 9 · turns 86 this year
  • Godfrey HewittBorn January 10 · turns 86 this year
  • K. J. YesudasBorn January 10 · turns 86 this year
  • Andres TarandBorn January 11 · turns 86 this year
  • Bob HewittBorn January 12 · turns 86 this year
  • Dick MotzBorn January 12 · turns 86 this year

Events of 1940 (timeline · 159)

Tip: the PC view is best for studying

On a computer, each region has its own vertical line, so you can follow the flow of events and see what was happening in different parts of the world at the same time.

1940

Jan 7, 1940Showa 15

Winter War: Battle of Raate Road: The Finnish 9th Division finally defeat the numerically superior Soviet forces on the Raate-Suomussalmi road.

Europe

Jan 8, 1940Showa 15

World War II: Britain introduces food rationing.

Europe

Jan 29, 1940Showa 15

Three trains on the Nishinari Line; present Sakurajima Line, in Osaka, Japan, collide and explode while approaching Ajikawaguchi Station. One hundred and eighty-one people are killed.

Asia

Feb 7, 1940Showa 15

The second full-length animated Walt Disney film, Pinocchio, premieres.

North America

Feb 10, 1940Showa 15

The Soviet Union begins mass deportations of Polish citizens from occupied eastern Poland to Siberia.

Europe

Feb 15, 1940Showa 15

Paul Creston's Saxophone Sonata is officially premiered at the Carnegie Chamber Hall by saxophonist Cecil Leeson, who had commissioned it, and the composer.

North America

Feb 16, 1940Showa 15

World War II: Altmark incident: The German tanker Altmark is boarded by sailors from the British destroyer HMS Cossack. A total of 299 British prisoners are freed.

Europe

Feb 27, 1940Showa 15

Martin Kamen and Sam Ruben discover carbon-14.

North America

Feb 29, 1940Showa 15

For her performance as Mammy in Gone with the Wind, Hattie McDaniel becomes the first African American to win an Academy Award.

North AmericaAfrica

Feb 29, 1940Showa 15

Finland initiates Winter War peace negotiations.

Europe

Feb 29, 1940Showa 15

In a ceremony held in Berkeley, California, physicist Ernest Lawrence receives the 1939 Nobel Prize in Physics from Sweden's consul general in San Francisco.

North AmericaEurope

Mar 3, 1940Showa 15

Five people are killed in an arson attack on the offices of the communist newspaper Flamman in Luleå, Sweden.

Europe

Mar 5, 1940Showa 15

Six high-ranking members of the Soviet politburo, including Joseph Stalin, sign an order for the execution of 25,700 Polish intelligentsia, including 14,700 Polish POWs, in what will become known as the Katyn massacre.

Europe

Mar 12, 1940Showa 15

Winter War: Finland signs the Moscow Peace Treaty with the Soviet Union, ceding almost all of Finnish Karelia.

Europe

Mar 12, 1940Showa 15

The most destructive train accident in Finnish history kills 39 and injures 69 people in Turenki, Janakkala.

Europe

Mar 13, 1940Showa 15

The Winter War between Finland and the Soviet Union officially ends after the signing of the Moscow Peace Treaty.

Europe

Mar 18, 1940Showa 15

World War II: Adolf Hitler and Benito Mussolini meet at the Brenner Pass in the Alps and agree to form an alliance against France and the United Kingdom.

Europe

Mar 23, 1940Showa 15

The Lahore Resolution (Qarardad-e-Pakistan or Qarardad-e-Lahore) is put forward at the Annual General Convention of the All-India Muslim League.

Asia

Mar 30, 1940Showa 15

Second Sino-Japanese War: Japan declares Nanking capital of a new Chinese puppet government, nominally controlled by Wang Jingwei.

Asia

Apr 7, 1940Showa 15

Booker T. Washington becomes the first African American to be depicted on a United States postage stamp.

North AmericaAfrica

Apr 8, 1940Showa 15

The Central Committee of the Mongolian People's Revolutionary Party elects Yumjaagiin Tsedenbal as General Secretary, marking the beginning of his 44-year-long tenure as de facto leader of Mongolia.

Asia

Apr 9, 1940Showa 15

World War II: Operation Weserübung: Germany invades Denmark and Norway.

Europe

Apr 9, 1940Showa 15

Vidkun Quisling seizes power in Norway.

Europe

Apr 14, 1940Showa 15

World War II: Royal Marines land in Namsos, Norway, preceding a larger force which will arrive two days later.

Europe

Apr 23, 1940Showa 15

The Rhythm Club fire at a dance hall in Natchez, Mississippi, kills 198 people.

North America

May 5, 1940Showa 15

World War II: Norwegian campaign: Norwegian squads in Hegra Fortress and Vinjesvingen capitulate to German forces after all other Norwegian forces in southern Norway had laid down their arms.

Europe

May 6, 1940Showa 15

John Steinbeck is awarded the Pulitzer Prize for his novel The Grapes of Wrath.

North America

May 7, 1940Showa 15

World War II: The Norway Debate in the British House of Commons begins, and leads to the replacement of Prime Minister Neville Chamberlain with Winston Churchill three days later.

Europe

May 10, 1940Showa 15

World War II: Winston Churchill is appointed Prime Minister of the United Kingdom following the resignation of Neville Chamberlain. On the same day, Germany invades France, The Netherlands, Belgium and Luxembourg. Meanwhile, the United Kingdom occupies Iceland.

Europe

May 10, 1940Showa 15

World War II: German fighters accidentally bomb the German city of Freiburg.

Europe

May 13, 1940Showa 15

World War II: Germany's conquest of France begins, as the German army crosses the Meuse. Winston Churchill makes his "blood, toil, tears, and sweat" speech to the House of Commons.

Europe

May 14, 1940Showa 15

World War II: Rotterdam, Netherlands, is bombed by the Luftwaffe of Nazi Germany despite a ceasefire, killing about 900 people and destroying the historic city center.

Europe

May 15, 1940Showa 15

World War II: The Battle of the Netherlands: After fierce fighting, the poorly trained and equipped Dutch troops surrender to Germany, marking the beginning of five years of occupation.

Europe

May 15, 1940Showa 15

Richard and Maurice McDonald open the first McDonald's restaurant.

North America

May 15, 1940Showa 15

USS Sailfish is recommissioned. It was originally the USS Squalus.

North America

May 17, 1940Showa 15

World War II: Germany occupies Brussels, Belgium.

Europe

May 20, 1940Showa 15

The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.

Europe

May 24, 1940Showa 15

Acting on the orders of Soviet leader Joseph Stalin, NKVD agent Iosif Grigulevich orchestrates an unsuccessful assassination attempt on exiled Russian revolutionary Leon Trotsky in Coyoacán, Mexico.

Latin AmericaEurope

May 24, 1940Showa 15

Igor Sikorsky performs the first successful single-rotor helicopter flight.

North America

May 25, 1940Showa 15

World War II: The German 2nd Panzer Division captures the port of Boulogne-sur-Mer; the surrender of the last French and British troops marks the end of the Battle of Boulogne.

Europe

May 26, 1940Showa 15

World War II: Operation Dynamo: In northern France, Allied forces begin a massive evacuation from Dunkirk, France. The Battle of Dunkirk begins simultaneously as Allied defenders fight to slow down the German offensive.

Europe

May 26, 1940Showa 15

World War II: The Siege of Calais ends with the surrender of the British and French garrison.

Europe

May 27, 1940Showa 15

World War II: In the Le Paradis massacre, 99 soldiers from a Royal Norfolk Regiment unit are shot after surrendering to German troops; two survive.

Europe

May 28, 1940Showa 15

World War II: Norwegian, French, Polish and British forces recapture Narvik in Norway. This is the first Allied infantry victory of the War.

Europe

May 28, 1940Showa 15

World War II: Belgium surrenders to Nazi Germany to end the Battle of Belgium.

Europe

Jun 3, 1940Showa 15

Franz Rademacher proposes plans to make Madagascar the "Jewish homeland", an idea that had first been considered by 19th century journalist Theodor Herzl.

Africa

Jun 3, 1940Showa 15

World War II: During the Battle of France, the Luftwaffe bombs Paris.

Europe

Jun 4, 1940Showa 15

World War II: The Dunkirk evacuation ends: The British Armed Forces completes evacuation of 338,000 troops from Dunkirk in France. To rally the morale of the country, Winston Churchill delivers, only to the House of Commons, his famous "We shall fight on the beaches" speech.

Europe

Jun 5, 1940Showa 15

World War II: After a brief lull in the Battle of France, the Germans renew the offensive against the remaining French divisions south of the River Somme in Operation Fall Rot ("Case Red").

Europe

Jun 7, 1940Showa 15

King Haakon VII, Crown Prince Olav and the Norwegian government leave Tromsø and go into exile in London. They return exactly five years later.

Europe

Jun 8, 1940Showa 15

World War II: The completion of Operation Alphabet, the evacuation of Allied forces from Narvik at the end of the Norwegian campaign.

Europe

Jun 10, 1940Showa 15

World War II: Fascist Italy declares war on France and the United Kingdom, beginning an invasion of southern France.

Europe

Jun 10, 1940Showa 15

World War II: U.S. President Franklin D. Roosevelt denounces Italy's actions in his "Stab in the Back" speech at the graduation ceremonies of the University of Virginia.

North AmericaEurope

Jun 10, 1940Showa 15

World War II: Military resistance to the German occupation of Norway ends.

Europe

Jun 11, 1940Showa 15

World War II: The Siege of Malta begins with a series of Italian air raids.

Europe

Jun 12, 1940Showa 15

World War II: Thirteen thousand British and French troops surrender to General Erwin Rommel at Saint-Valery-en-Caux.

Europe

Jun 14, 1940Showa 15

World War II: The German occupation of Paris begins.

Europe

Jun 14, 1940Showa 15

Seven hundred and twenty-eight Polish political prisoners from Tarnów become the first inmates of the Auschwitz concentration camp.

Europe

Jun 14, 1940Showa 15

The Soviet Union presents an ultimatum to Lithuania, resulting in Lithuanian loss of independence.

Europe

Jun 15, 1940Showa 15

World War II: Operation Aerial begins: Allied troops start to evacuate France, following Germany's takeover of Paris and most of the nation.

Europe

Jun 16, 1940Showa 15

The Soviet Union occupies Lithuania, which will eventually become the Lithuanian Soviet Socialist Republic (SSR).

Europe

Jun 16, 1940Showa 15

World War II: Marshal Henri Philippe Pétain becomes Chief of State of Vichy France (Chef de l'État Français).

Europe

Jun 17, 1940Showa 15

World War II: The British Army's 11th Hussars assault and take Fort Capuzzo in Libya from Italian forces.

EuropeAfrica

Jun 17, 1940Showa 15

The three Baltic states of Estonia, Latvia and Lithuania fall under the occupation of the Soviet Union.

Europe

Jun 17, 1940Showa 15

World War II: RMS Lancastria is attacked and sunk by the Luftwaffe near Saint-Nazaire, France. At least 3,000 are killed in Britain's worst maritime disaster.

Europe

Jun 18, 1940Showa 15

World War II: Appeal of 18 June by Charles de Gaulle.

Europe

Jun 18, 1940Showa 15

World War II: The "Finest Hour" speech is delivered by Winston Churchill.

Europe

Jun 21, 1940Showa 15

World War II: Italy begins an unsuccessful invasion of France.

Europe

Jun 22, 1940Showa 15

World War II: France is forced to sign the Second Compiègne armistice with Germany, in the same railroad car in which the Germans signed the Armistice in 1918.

Europe

Jun 23, 1940Showa 15

Henry Larsen begins the first successful west-to-east navigation of Northwest Passage from Vancouver, British Columbia, Canada.

North AmericaEurope

Jun 24, 1940Showa 15

World War II: Operation Collar, the first British Commando raid on occupied France, by No 11 Independent Company.

Europe

Jun 25, 1940Showa 15

World War II: The French armistice with Nazi Germany comes into effect.

Europe

Jun 26, 1940Showa 15

World War II: Under the Molotov–Ribbentrop Pact, the Soviet Union presents an ultimatum to Romania requiring it to cede Bessarabia and the northern part of Bukovina.

Europe

Jun 28, 1940Showa 15

Romania cedes Bessarabia and Northern Bukovina to the Soviet Union after facing an ultimatum.

Europe

Jul 3, 1940Showa 15

World War II: The Royal Navy attacks the French naval squadron in Algeria, to ensure that it will not fall under German control. Of the four French battleships present, one is sunk, two are damaged, and one escapes back to France.

EuropeAfrica

Jul 5, 1940Showa 15

World War II: Foreign relations of Vichy France are severed with the United Kingdom.

Europe

Jul 6, 1940Showa 15

Story Bridge, a major landmark in Brisbane, as well as Australia's longest cantilever bridge is formally opened.

Oceania

Jul 10, 1940Showa 15

World War II: Six days before Adolf Hitler issues his Directive 16 to the combined Wehrmacht armed forces for Operation Sea Lion, the Kanalkampf shipping attacks begin against British maritime convoys in the leadup to initiating the Battle of Britain.

Europe

Jul 10, 1940Showa 15

World War II: The Vichy government is established in France.

Europe

Jul 11, 1940Showa 15

World War II: Vichy France regime is formally established. Philippe Pétain becomes Chief of the French State.

Europe

Jul 19, 1940Showa 15

Field Marshal Ceremony: First occasion in World War II that Adolf Hitler appoints field marshals due to military achievements.

Latin America

Jul 19, 1940Showa 15

World War II: Army order 112 forms the Intelligence Corps of the British Army.

Europe

Jul 19, 1940Showa 15

World War II: Battle of Cape Spada: The Royal Navy and the Regia Marina clash; the Italian light cruiser Bartolomeo Colleoni sinks, with 121 casualties.

Europe

Jul 20, 1940Showa 15

Denmark leaves the League of Nations.

Europe

Jul 20, 1940Showa 15

California opens its first freeway, the Arroyo Seco Parkway.

North America

Jul 23, 1940Showa 15

The United States' Under Secretary of State Sumner Welles issues a declaration on the U.S. non-recognition policy of the Soviet annexation and incorporation of three Baltic states: Estonia, Latvia and Lithuania.

North AmericaEurope

Jul 25, 1940Showa 15

General Henri Guisan orders the Swiss Army to resist German invasion and makes surrender illegal.

Europe

Jul 27, 1940Showa 15

The animated short A Wild Hare is released, introducing the character of Bugs Bunny.

North America

Aug 3, 1940Showa 15

World War II: Italian forces begin the invasion of British Somaliland.

EuropeAfrica

Aug 5, 1940Showa 15

World War II: The Soviet Union formally annexes Latvia.

Europe

Aug 6, 1940Showa 15

Estonia is annexed by the Soviet Union.

Europe

Aug 8, 1940Showa 15

The "Aufbau Ost" directive for the mobilization of German forces for the invasion of the Soviet Union is signed by Wilhelm Keitel.

Europe

Aug 13, 1940Showa 15

World War II: The German Luftwaffe launches an air operation, codenamed Adlertag, during the Battle of Britain in an attempt to destroy the British Royal Air Force.

Europe

Aug 15, 1940Showa 15

An Italian submarine torpedoes and sinks the Greek cruiser Elli at Tinos harbor during peacetime, marking the most serious Italian provocation prior to the outbreak of the Greco-Italian War in October.

Europe

Aug 18, 1940Showa 15

World War II: The Hardest Day air battle, part of the Battle of Britain, takes place. At that point, it is the largest aerial engagement in history with heavy losses sustained on both sides.

Europe

Aug 19, 1940Showa 15

First flight of the B-25 Mitchell medium bomber.

North America

Aug 20, 1940Showa 15

World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few".

Europe

Aug 20, 1940Showa 15

In Mexico City, exiled Russian revolutionary Leon Trotsky is fatally wounded with an ice axe by Ramón Mercader. He dies the next day.

Latin AmericaEurope

Aug 20, 1940Showa 15

World War II: The Eighth Route Army launches the Hundred Regiments Offensive, a successful campaign to disrupt Japanese war infrastructure and logistics in occupied northern China.

Asia

Aug 25, 1940Showa 15

World War II: The first Bombing of Berlin by the British Royal Air Force.

Europe

Aug 26, 1940Showa 15

World War II: Chad becomes the first French colony to join the Allies under the administration of Félix Éboué, France's first black colonial governor.

EuropeAfrica

Aug 30, 1940Showa 15

The Second Vienna Award reassigns the territory of Northern Transylvania from Romania to Hungary.

Europe

Aug 31, 1940Showa 15

Pennsylvania Central Airlines Trip 19 crashes near Lovettsville, Virginia. The CAB investigation of the accident is the first investigation to be conducted under the Bureau of Air Commerce act of 1938.

North America

Sep 6, 1940Showa 15

King Carol II of Romania abdicates and is succeeded by his son Michael. General Ion Antonescu becomes the Conducător of Romania.

Europe

Sep 7, 1940Showa 15

World War II: The German Luftwaffe begins the Blitz, bombing London and other British cities for over 50 consecutive nights.

Europe

Sep 7, 1940Showa 15

Romania returns Southern Dobruja to Bulgaria under the Treaty of Craiova.

Europe

Sep 9, 1940Showa 15

George Stibitz pioneers the first remote operation of a computer.

North America

Sep 9, 1940Showa 15

Treznea Massacre in Transylvania.

Europe

Sep 12, 1940Showa 15

The Hercules Powder plant disaster in the United States kills 51 people and injures over 200.

North America

Sep 12, 1940Showa 15

Cave paintings are discovered in Lascaux, France.

Europe

Sep 14, 1940Showa 15

Ip massacre: The Hungarian Army, supported by local Hungarians, kill 158 Romanian civilians in Ip, Sălaj, a village in Northern Transylvania, an act of ethnic cleansing.

Europe

Sep 15, 1940Showa 15

World War II: The climax of the Battle of Britain, when the Luftwaffe launches its largest and most concentrated attack of the entire campaign.

Europe

Sep 16, 1940Showa 15

World War II: Italian troops conquer Sidi Barrani.

Europe

Sep 17, 1940Showa 15

World War II: Due to setbacks in the Battle of Britain and approaching autumn weather, Hitler postpones Operation Sea Lion.

Europe

Sep 19, 1940Showa 15

World War II: Witold Pilecki is voluntarily captured and sent to Auschwitz concentration camp to gather and smuggle out information for the resistance movement.

Europe

Sep 27, 1940Showa 15

World War II: The Tripartite Pact is signed in Berlin by Germany, Japan and Italy.

AsiaEurope

Sep 29, 1940Showa 15

Two Avro Ansons collide in mid-air over New South Wales, Australia, remain locked together, then land safely.

OceaniaEurope

Oct 1, 1940Showa 15

The Pennsylvania Turnpike, often considered the first superhighway in the United States, opens to traffic.

North America

Oct 7, 1940Showa 15

World War II: The McCollum memo proposes bringing the United States into the war in Europe by provoking the Japanese to attack the United States.

AsiaNorth AmericaEurope

Oct 14, 1940Showa 15

World War II: The Balham underground station disaster kills sixty-six people during the London Blitz.

Europe

Oct 15, 1940Showa 15

President Lluís Companys of Catalonia is executed by the Francoist government.

Europe

Oct 16, 1940Showa 15

Holocaust in Poland: The Warsaw Ghetto is established.

Europe

Oct 17, 1940Showa 15

The body of Communist propagandist Willi Münzenberg is found in South France, starting a never-resolved mystery.

Europe

Oct 21, 1940Showa 15

The first edition of the Ernest Hemingway novel For Whom the Bell Tolls is published.

North America

Oct 23, 1940Showa 15

Adolf Hitler and Francisco Franco meet at Hendaye to discuss the possibility of Spain entering the Second World War.

Europe

Oct 25, 1940Showa 15

Benjamin O. Davis Sr. is named the first African American general in the United States Army.

North AmericaAfrica

Oct 28, 1940Showa 15

World War II: Greece rejects Italy's ultimatum. Italy invades Greece through Albania a few hours later.

Europe

Oct 31, 1940Showa 15

World War II: The Battle of Britain ends, causing Germany to abandon Operation Sea Lion.

Europe

Nov 2, 1940Showa 15

World War II: First day of Battle of Elaia–Kalamas between the Greeks and the Italians.

Europe

Nov 5, 1940Showa 15

World War II: The British armed merchant cruiser HMS Jervis Bay is sunk by the German pocket battleship Admiral Scheer.

Europe

Nov 5, 1940Showa 15

Franklin D. Roosevelt is the first and only President of the United States to be elected to a third term.

North America

Nov 7, 1940Showa 15

In Tacoma, Washington, the original Tacoma Narrows Bridge collapses in a windstorm, a mere four months after the bridge's completion.

North America

Nov 8, 1940Showa 15

Greco-Italian War: The Italian invasion of Greece fails as outnumbered Greek units repulse the Italians in the Battle of Elaia–Kalamas.

Europe

Nov 9, 1940Showa 15

Warsaw is awarded the Virtuti Militari by the Polish government-in-exile.

Europe

Nov 10, 1940Showa 15

The 1940 Vrancea earthquake strikes Romania killing an estimated 1,000 and injuring approximately 4,000 more.

Europe

Nov 11, 1940Showa 15

World War II: In the Battle of Taranto, the Royal Navy launches the first all-aircraft ship-to-ship naval attack in history.

Europe

Nov 11, 1940Showa 15

World War II: The German auxiliary cruiser Atlantis captures top secret British mail from the Automedon, and sends it to Japan.

AsiaEurope

Nov 12, 1940Showa 15

World War II: The Battle of Gabon ends as Free French Forces take Libreville, Gabon, and all of French Equatorial Africa from Vichy French forces.

EuropeAfrica

Nov 12, 1940Showa 15

World War II: Soviet Foreign Minister Vyacheslav Molotov arrives in Berlin to discuss the possibility of the Soviet Union joining the Axis Powers.

Europe

Nov 13, 1940Showa 15

Walt Disney's animated musical film Fantasia is first released at New York's Broadway Theatre, on the first night of a roadshow.

North America

Nov 14, 1940Showa 15

World War II: In England, Coventry is heavily bombed by German Luftwaffe bombers. Coventry Cathedral is almost completely destroyed.

Europe

Nov 16, 1940Showa 15

World War II: In response to the leveling of Coventry by the German Luftwaffe two days before, the Royal Air Force bombs Hamburg.

Europe

Nov 16, 1940Showa 15

The Holocaust: In occupied Poland, the Nazis close off the Warsaw Ghetto from the outside world.

Europe

Nov 16, 1940Showa 15

New York City's "Mad Bomber" George Metesky places his first bomb at a Manhattan office building used by Consolidated Edison.

North America

Nov 17, 1940Showa 15

The Tartu Art Museum is established in Tartu, Estonia.

Europe

Nov 18, 1940Showa 15

World War II: German leader Adolf Hitler and Italian Foreign Minister Galeazzo Ciano meet to discuss Benito Mussolini's disastrous Italian invasion of Greece.

Europe

Nov 20, 1940Showa 15

World War II: Hungary becomes a signatory of the Tripartite Pact, officially joining the Axis powers.

Europe

Nov 22, 1940Showa 15

World War II: Following the initial Italian invasion, Greek troops counterattack into Italian-occupied Albania and capture Korytsa.

Europe

Nov 23, 1940Showa 15

World War II: Romania becomes a signatory of the Tripartite Pact, officially joining the Axis powers.

Europe

Nov 24, 1940Showa 15

World War II: The First Slovak Republic becomes a signatory to the Tripartite Pact, officially joining the Axis powers.

Europe

Nov 27, 1940Showa 15

In Romania, the ruling Iron Guard fascist party assassinates over 60 of arrested King Carol II of Romania's aides and other political dissidents.

Europe

Nov 27, 1940Showa 15

World War II: At the Battle of Cape Spartivento, the Royal Navy engages the Regia Marina in the Mediterranean Sea.

Europe

Nov 30, 1940Showa 15

World War II: Signing of the Sino-Japanese Treaty of 1940 between the Empire of Japan and the newly formed Wang Jingwei-led Reorganized National Government of the Republic of China. This treaty was considered so unfair to China that it was compared to the Twenty-One Demands.

Asia

Dec 9, 1940Showa 15

World War II: Operation Compass: British and Indian troops under the command of Major-General Richard O'Connor attack Italian forces near Sidi Barrani in Egypt.

AsiaMiddle EastEurope

Dec 14, 1940Showa 15

Plutonium (specifically Pu-238) is first isolated at Berkeley, California.

North America

Dec 19, 1940Showa 15

Risto Ryti, the Prime Minister of Finland, is elected President of the Republic of Finland in a presidential election, which is exceptionally held by the 1937 electoral college.

Europe

Dec 20, 1940Showa 15

Captain America Comics #1, containing the first appearance of the superhero Captain America, is published.

North America

Dec 22, 1940Showa 15

World War II: Himara is captured by the Greek army.

Europe

Dec 29, 1940Showa 15

World War II: in the Second Great Fire of London, the Luftwaffe fire-bombs London, England, killing almost 200 civilians.

Europe

EventNameFamous birthEvent in more than one region

Source: Wikipedia date pages ("January 1" … "December 31") / CC BY-SA 4.0. Regions are assigned by the site editors.

FAQ

What year was 1940 in the Japanese calendar?

1940 was Showa 15 in the Japanese era system.

What Chinese zodiac animal is 1940?

1940 is the Year of the Dragon.

How old is someone born in 1940?

They turn 86 on their birthday in 2026.

What happened in 1940?

In 1940, Konoe Fumimaro formed his second cabinet, and all of Japan's political parties dissolved and merged into the Imperial Rule Assistance Association. Abroad, Germany forced France to surrender, and Winston Churchill became British prime minister.

Born in 1940?See who shares your birthday and your birth year

Dates and events are based on Wikipedia and other references. Summaries and regions are written by the site editors.

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