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The US entered World War 1 on April 6, 1917. The war ended about one and a half years later.

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9y ago
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13y ago

United States entered World War 1 (WWI) in 1917 after the Lusitania was sinked

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Q: In which year did America enter World War 1?
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Related questions

What year did America enter World War and in what year did World War end?

in 1914 and it ended in 1918


What year did America officially enter World War 1?

April 6th 1917


What was the great catylist that compelled America to enter the world war two.?

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What year did thew US enter world war 1?

1914