You basically have to invade a country and then have another country declare war on you...If you were talking about the WWII, Germany began it. On September 1st,1939, Germany invaded Poland. Two days later, Great Britain and France declared war on Germany which began WWII.
The Holocaust was during World War 2
because they had 2 start with1 be for 2
World War 2 began when Germany invades Poland in 1939.
1950s
Germany
1940
World War Two began in 1939.
In the book A Seperate Peace when did World War 2 begin
WW1 1914 WW2 1939
The World War 2
1940
world war 1 started July 28th 1914 and world war 2 started 3rd September 1939