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  Mao Zedong leads the Communists away from the Nationalists into the mountains where they can regroup.
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  As Germany invades Poland, the French and the British consider Hitler a threat and declare war on Germany.
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  Japan attacks Pearl Harbor in Hawaii, destoying most of the Pacific Fleet.
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  After Hitler commits suicide, German forces surrender on all fronts.
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  The United States B-29 bomber "Enola Gay" drops nuclear bombs on Hiroshima and Nagasaki.