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September 1, 1939- World War II begins when Germany invades Poland.
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June 22, 1940- France surrenders to Germany.
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3
1940–1941- Adolf Hitler controls most of Western Europe.
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4
December 7, 1941 – Attack on Pearl Harbor brings the U.S. into the war.
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1943 – Allies decide to open a second front in Western Europe which was the Eastern front
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6
1943 – Planning begins for Operation Overlord which was the codename for D-Day
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