WHAT ALL HAPPENED FEBRUARY TO SEPTEMBER 1940
Find out what all happened February to September 1940

World War II: Marshal Henri Philippe Pétain becomes Chief of State of Vichy France (Chef de l'État Français). (16. June 1940)

World War II: Italy declares war on France and the United Kingdom. (10. June 1940)

Franz Rademacher proposes plans to make Madagascar the "Jewish homeland", an idea that had first been considered by 19th century journalist Theodor Herzl. (3. June 1940)

First flight of the B-25 Mitchell medium bomber. (19. August 1940)

King Haakon VII, Crown Prince Olav and the Norwegian government left Tromsø and went into exile in London. (7. June 1940)

World War II: Norwegian refugees form a government-in-exile in London (5. May 1940)

World War II: Operation Ariel begins – Allied troops start to evacuate France, following Germany's takeover of Paris and most of the nation. (15. June 1940)

Indian independence leader Subhas Chandra Bose is arrested and detained in Calcutta. (2. July 1940)

Doodlebug Disaster: A doodlebug train in Cuyahoga Falls, Ohio collides with a multi-car freight train heading in the opposite direction, killing 43 people. (31. July 1940)

General Henri Guisan orders the Swiss Army to resist German invasion and makes surrender illegal. (25. July 1940)

World War II: Invasion of Iceland by the United Kingdom. (10. May 1940)

World War II: The Siege of Calais ends with the surrender of the British and French garrison. (26. May 1940)

The Russo-Finnish Winter War ends. (13. March 1940)

World War II: Belgium surrenders to Nazi Germany to end the Battle of Belgium. (28. May 1940)

World War II: Norwegian, French, Polish and British forces recapture Narvik in Norway. This is the first allied infantry victory of the War. (28. May 1940)

Finland initiates Winter War peace negotiations (29. February 1940)

The Soviet Union begins mass deportations of Polish citizens from occupied eastern Poland to Siberia. (10. February 1940)

A group of 728 Polish political prisoners from Tarnów become the first residents of the Auschwitz concentration camp. (14. June 1940)

World War II: Italian troops conquer Sidi Barrani. (16. September 1940)

Appeal of June 18 by Charles de Gaulle. (18. June 1940)