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Germany invades Poland
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Great Britain and France declare war on Germany
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Germany invades Denmark and Norway
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Period: to
Battle of Britain
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Germany invades Greece and Yugoslavia
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Germany invades the Soviet Union
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Germany and Italy declare war on the U.S.
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Period: to
Battle of Stalingrad (turning point of the war)
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Allies invade Normandy (D-Day)
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Germany surrenders and WWII ends