100 events found for 1940
King Carol II of Romania abdicates and is succeeded by his son Michael. General Ion Antonescu becomes the Conducător…
Romania returns Southern Dobruja to Bulgaria under the Treaty of Craiova.
World War II: The German Luftwaffe begins the Blitz, bombing London and other British cities for over 50 consecutive…
George Stibitz pioneers the first remote operation of a computer.
Cave paintings are discovered in Lascaux, France.
The Hercules Powder plant disaster in the United States kills 51 people and injures over 200.
Ip massacre: The Hungarian Army, supported by local Hungarians, kill 158 Romanian civilians in Ip, Sălaj, a village in…
World War II: The climax of the Battle of Britain, when the Luftwaffe launches its largest and most concentrated…
World War II: Italian troops conquer Sidi Barrani.
World War II: Due to setbacks in the Battle of Britain and approaching autumn weather, Hitler postpones Operation Sea…
World War II: Witold Pilecki is voluntarily captured and sent to Auschwitz concentration camp to gather and smuggle…
World War II: The Tripartite Pact is signed in Berlin by Germany, Japan and Italy.
Two Avro Ansons collide in mid-air over New South Wales, Australia, remain locked together, then land safely.
The Pennsylvania Turnpike, often considered the first superhighway in the United States, opens to traffic.
World War II: The McCollum memo proposes bringing the United States into the war in Europe by provoking the Japanese…
World War II: The Balham underground station disaster kills sixty-six people during the London Blitz.
President Lluís Companys of Catalonia is executed by the Francoist government.
Holocaust in Poland: The Warsaw Ghetto is established.
The body of Communist propagandist Willi Münzenberg is found in South France, starting a never-resolved mystery.