Question

when world war 2 occurred?​

Answer 1

Explanation:

September 1, 1939

On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II.

Answer 2

Answer:

On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War .