How long was World War II?


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World War II About 6 years. World War 2 began in 1939 when Germany invaded Poland and ended in 1945 when Japan surrendered to US. Thanks!

Answered by Christy H. -

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5 years. On September 1st 1939, Germany invaded Poland.The war officially ended with Japan's surrender on September 2, 1945.ChaCha

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World War 2 began in 1939 when Germany invaded Poland and ended in 1945 when Japan surrendered to US. 6 years!

Answered by Sabria W. -

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