World war 2 began because Germany invaded Poland
No war 'began when the Holocaust began'. The Holocaust took place during World War 2 but was not one of the causes of the war.
Research it!
When World War II began, Japan sided with Germany and Italy.
World War 2 began when Germany invades Poland in 1939.
Korean War??
When World War II began, Japan sided with Germany and Italy.
World War 2
September
it started in 1832
2008
No, World War 1 began on 28 July 1914. World War 2 began on 1 September 1939.