What Happened in 1940

1940 — year

1940s — decade of the Gregorian calendar (1940–1949)

Battle of Britain — air battle waged between German and British air forces in 1940

Katyn massacre — Soviet mass murder of ca. 22,000 Poles in several parts of European Russia, including in the Katyn forest, which became a pars pro toto name for the whole massacre

1948 Palestine war — first war of the Arab–Israeli conflict

1940 Summer Olympics — Games of the XII Olympiad, firstly scheduled in Tokyo, Japan, rescheduled in Helsinki, Finland, finally canceled due to World War II

Operation Weserübung — 1940 code name for Germany's assault on Denmark and Norway during the Second World War

1948 Arab–Israeli War — second and final stage of the 1947–1949 Palestine war

1940 Winter Olympics — edition of the Winter Olympics, scheduled in Sapporo, Japan, canceled due to World War II

Bombing of Tokyo — 1940s air raids by the United States Air Force in WWII

1947–1948 Civil War in Mandatory Palestine — civil war between the Jewish and Arab communities of Palestine which is the first phase of the 1948 Palestine War

1940 in film — overview of the events of 1940 in film

The Holocaust in Poland — genocide of Jews in Nazi-occupied Poland during World War II

German AB-Aktion in Poland — 1940 military operation

Operation Felix — German military operation

Tripartite Pact — treaty establishing the Axis Powers of World War Two

Operation Sea Lion — cancelled Nazi German plan for invading Britain

Japanese invasion of French Indochina — 1940 battle

Treaty of Craiova — 1940 territorial settlement between the kingdoms of Romania and Bulgaria

German invasion of the Netherlands — Nazi invasion of the Netherlands in 1940

Rotterdam Blitz — aerial bombardment of Rotterdam by the Luftwaffe (German air force) on 14 May 1940, during the German invasion of the Netherlands in World War II

German invasion of Luxembourg — German invasion of Luxembourg in WWII

Battle of Arras — 1940 World War II event

Battle of Sedan — battle which took place in the Second World War during the Battle of France in 1940.

blood, toil, tears, and sweat — political catchphrase

Armistice of 22 June 1940 — armistice between France and Nazi Germany in World War II

We shall fight on the beaches — Common title given to a speech delivered by Winston Churchill

Appeal of 18 June — 1940 speech by Charles de Gaulle

Moscow Peace Treaty — peace treaty signed by Finland and the Soviet Union on 12 March 1940

Second Vienna Award — 1940 border agreement

Italian invasion of British Somaliland — part of the East African Campaign (1940–1941)

12th Academy Awards — American Motion Picture Academy film award

Altmark Incident — 1940 WW II naval incident between British and German ships

German invasion of Denmark — German attack on Denmark on 9 April 1940

Attack on Mers-El-Kebir — 1940 battle

Action off Calabria — 1940 naval battle

1940 United States presidential election — 39th quadrennial U.S. presidential election

Meeting at Hendaye