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Word War II begins
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Britain, France, Australia and New Zealand declare war on Germany.
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Nazis invade Denmark and Norway.
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German U-boats attack merchant ships in the Atlantic.
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Battle of Britain begins.
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United States military conscription bill passed.
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President Roosevelt signs the Lend-Lease Act.
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Japanese bomb pearl harbor
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Untied States and Britain declare war on Japan.
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Declaration of the United Nations signed by 26 Allied nations.
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Germans begin a U-boat offensive along east coast of USA.