When world war two occur?

Answer 1

WW2 was fought from September 1, 1939 - September 2, 1945 .
It officially started in 1939 when Germany invaded Poland and the United Kingdom and all empires of the UK declared war on Germany.
Most historians accept that the Second World War began when Adolf Hitler ordered the invasion of Poland on September 1, 1939.

The war officially ended when the Nazis signed a surrender document on May 8th, 1945.

This means it lasted for a period of about 6 years. These 6 years were marked by death, fighting, and genocide. Between 50-70 million soldiers, on both sides, were killed.

Answer 2

The war in Asia began in '31; the war in Europe began in '39; the global war began in '41. For school purposes, instructors will want you to use the '39 date; until that can be corrected to reflect actual fact, by the newer generations.

Answer 3

1939 when Germany invaded Poland.