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World War II began on September 1st 1939 when Germany invaded Poland. On September 3rd, Great Britain and France declared war on Germany, but didn't fight until the spring of 1940 when Germany invaded France. The period of inactivity of England and France was called the 'Phony War'.
1 September 1939
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What month day did the world war 2 start?
September 1 1939.
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16
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== ==
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World war 2 started on 1st September 1939
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