World War II Timeline
March 12, 1940
Finland surrenders to the USSR, ending the brief Russo-Finnish war that began when the Soviets invaded Finland on November 30, 1939.
April 9, 1940
Denmark surrenders to Germany. Germany invades Norway.
May 10, 1940
Winston Churchill becomes the new Prime Minister of Britain, replacing Chamberlain.
Germany invades the Netherlands (Holland); it surrenders four days later. Germany invades Belgium.
May 26, 1940
Operation Dynamo begins, the evacuation of the British Expeditionary Force from Dunkirk on the Belgian coast.
May 28, 1940
Belgium surrenders to Germany.
June 10, 1940
Norway surrenders to Germany.
Italy declares war on Britain and France.
June 14, 1940
German troops enter Paris.
June 18, 1940
The USSR invades the Baltic states.
June 22, 1940
France surrenders to Germany.
June 30, 1940
Germany invades the Channel Islands. This will be the only part of Britain to be occupied by the Germans.
July 3, 1940
The British sink the French fleet at Oran.
July 10, 1940
The Battle of Britain begins. Germany bombs Britain, and the British defend themselves from the air in what Winston Churchill would call their "finest hour."
August 3, 1940
Italy invades British Somaliland, marking the beginning of World War II in Africa.
September 13, 1940
Italy invades Egypt.
September 27, 1940
Germany, Italy, and Japan sign the Tripartite Pact, making Japan part of the Axis.
October 7, 1940
Germany invades Romania.
October 28, 1940
Italy invades Greece, but fails to conquer it.
October 31, 1940
- The Battle of Britain ends. The powerful German Luftwaffe fails to crush British morale.
November 14, 1940
Greece repels the Italian invasion.
November 20, 1940
Hungary and Romania sign the Tripartite Pact, becoming part of the Axis.
December 3, 1940
Greece invades Italian-held Albania.
December 11, 1940
British troops capture the Egyptian cities of Sidi Barrani (December 11) and Sollum (December 17) from the Italians.