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Europe invaded Poland
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Britain and France responded by declaring war on Germany
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Germany began its attack on western Europe by invading the Low Countries (Netherlands, Belgium, and Luxembourg).
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Japan bombed Pearl Harbor, Hawaii
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The United States immediately declared war on Japan
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Germany and Italy declared war on the United States as the military conflict widened.
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The British Royal Air Force carried out a raid on Cologne with a thousand bombers.
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Axis military units in Africa surrendered
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The Germans mounted one more offensive at Kursk
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Hitler committed suicide by shooting himself
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German troops continued to hold northern Italy until surrendering
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The war in the Pacific ended soon after the US dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki.
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Japan formally surrendered