September 1st, 1939.
Hitler's country, which was actually Austria, got involved in World War 2 in 1939, the year the war started.
Germany started world war 2 when they invaded poland
In world war 1,germany started the war,but in world war 2,japan started it and usa ended the war
world war 1 started July 28th 1914 and world war 2 started 3rd September 1939
The German Invasion of Poland started World War 2.
chamberland Alternative view: actually it was Neville Chamberlain.
Adolf Hitler started world war two when crowned chancellor of germany and invaded country
Nazism started World War 2
World War 2 was started in 1939
It started on 1st of September 1939.
The First World War ended in 1918, World War 2 started in 1939, so there was 21 years between them.
The world war 2 started on September 1, 1939 to September 2, 1945.