Question

When did world war 2 started? ​

Answer 1

On 1 September 1939, Germany invaded Poland after having staged several false flag border incidents as a pretext to initiate the attack. The Battle of Westerplatte is often described as the first battle of the war.

Answer 2

1 September 1939 – 2 September 1945

Step-by-step explanation:

It began in 1939.

Ended in 1945.