It didn't start at 1939 as in time but the year it started on was in 1939.
1939
World War 2 was started in 1939
1939
1939
1939
1939 and ended in 1945
11 am 1939
September 1939.
1939
No, it began in 1939.
September 1939 x
on the 1st September 1939 Germany invaded Poland Britain declared war 2 days later on the 3rd September 1939