World War II QUIZ: The Deadliest War In History

Which one of these is not common belief as to when WWII started?

Retry Correct Incorrect The correct answer would be when the Allies were formed. The other options are all agreed upon by historians.

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Keystone/Getty Images

Keystone/Getty Images

Which one of these is not common belief as to when WWII started?

• September 1, 1939, after Nazi Germany invaded Poland
• When the Allies were formed
• It is actually a continuation of WWI, with a break in between
• September 18, 1931, after Japan invaded Manchuria