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The United States declares war on Germany and Italy. -
Nazis Invaded Poland, and the declarations of War agaisnt Germany made by Britain, and France -
Germany takes control of most Western Europe, including France
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Germany launches an air war, known as the Battle of Britain, against the United Kingdom. -
Germany, Italy and Japan sign the Tripartite Pact. -
Japan’s naval air force attacks military bases on Oahu, Hawaii. -
The U.S. declares war agaisnt Japan -
The U.S. Navy defeats the Japanese Navy at the Battle of Midway.
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Allied forces invade Sicily. -
Italy surrenders to the Allies, but German forces occupy northern Italy.