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World War II Begins
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Great Britain and France Declare War on Germany
To honor their guarantee of Poland's borders. -
Soviet Union Invades Poland
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Warsaw Surrenders
The Polish government flees into exile. -
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The Winter War
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Germany Invades Denmark and Norway
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The Soviet Union Occupies the Baltic States
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Germany Sends Afrika Korps to North Africa
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The Dismemberment of Yugoslavia
Germany, Italy, Hungary, and Bulgaria invade and dismember Yugoslavia. -
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The Invasion of the Soviet Union
Nazi Germany and the Axis Powers invade the Soviet Union. -
The Bombing of Pearl Harbor
Japanese planes bomb Pearl Harbor, Hawaii. -
The United States Declares War on Japan
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Germany and its Allies Declare War on the U.S.
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Allied Troops Liberate Rome
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D-Day
Allied troops land on the beaches of Normandy. -
Hitler Commits Suicide
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The US. Drops An Atomic Bomb on Hiroshima
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The U.S. Drops An Atomic Bomb on Nagasaki
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Japan Formally Surrenders: WW II Ends