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  This day marked the beginning of the war in Europe
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  Warsaw, Poland surrendering to the Germans
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  Paris surrenders to the German forces
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  The Battle of Britain begins with Britain and Germany
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  Churchill and Roosevelt come together and make an alliance
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  Japan attack on America
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  Japanese forces take over Singapore
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  General Doolittle bombers attack Japan
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  German troops can't overcome the winter and are forced to surrender
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  Americans and British try to retake Italy occupied by Germany
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  Rome is freed by the Allies
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  Normandy Invasion, the battle to end that war in Europe
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  Germany surrenders to the United States
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  The first atomic bomb is dropped on Hiroshima