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  FDR signs the Neutrality Act.
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  WWII officially starts with the German invasion of Poland
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  Japanese planes led a surprise attack on the Hawaiian base of Pearl harbor.
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  America decalred itself in a state of war, the day after Pearl Harbor was attacked,
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  the USSR army defeats the Germans at the Battle of Stalingrad
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  Germany surrenders from WWII
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  The United States drops atomic bombs on Hiroshima and Nagasaki
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