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September 10,1939, Canada declares war on Germany; Battle of the Atlantic begins.
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September 29, 1939, Nazis and Soviets divide up Poland.
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November 30, 1939, Soviets attack Finland.
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December 14, 1939, Soviets Union expelled from the League of Nations.
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November 8, 1939, Assassination attempt on Hitler fails.
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August 25, 1939, British and Poland sign a Mutual Assistance Treaty.