World War 1 began on July 28, 1914 due to the assassination of Archduke Ferdinand.
1775
Start: August 1, 1914 End: November 11, 1918
june 18 1812
World War Two
It began in the year 1939 it is sooooooooooooooooooooooooo obvious.it started in the place called... uummm called...uuuhhhhhhhhhhhhhhhhhhhhh the place in the world on 1937.
Europe
June 11
1950s
World War One started 28 July 1914.
The Holocaust was during World War 2
World War Two began in 1939.
The accepted starting date was 1 September 1939 although there had been fighting going on in various countries from 1936 onwards.