Timeline of World War II (1940)
| 1940 in the Second World War | |||||
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← 1939 1941 → | |||||
1940, clockwise from top left: IJA troops advance to Lạng Sơn during the Japanese occupation of French Indochina, a London Tube station serves an air-raid shelter during the Battle of Britain, German paratroopers arrive for the Battle of the Hague, mass grave of Katyn Massacre victims | |||||
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| Belligerents | |||||
| Allies |
Axis Vichy France | Soviet Union | Others Finland Estonia Latvia Lithuania Romania | ||
| China | Japan | ||||
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This is a timeline of World War II events that took place in 1940, the first full year of the second global war of the 20th century.