World War One ended in 1918, and World War 2 started in 1939.So that would 21 years.
There have been two world wars in the history of the Earth. The first world war lasted between 1914 to 1918 and the second world war lasted from 1939 to 1945.
Queens, New York
1939-1945
World War II, the conflict between the Allied forces and those of Germany and Japan, took place between 1939 and 1945. The US declared war on Japan on December 8, 1941, the day after the Japanese attack on Pearl Harbor. The war ended in May, 1945 in Europe and in August, 1945 in the Pacific. This was the largest armed conflict in human history to date.World War II was from 1939 to 1945.See the related link below for more information.
There were 73 countries involved in World War II between 1939 and 1945.
1939 - 1945
Between 1939 - 1945.
World War 2
World War II
if you look at it as starting in 1939 then six years passed
When did what happen? My best guess is sometime between 1939 and 1945.
WW2 was fought between the years of 1939 to 1945 .
1939-1944
WWI happened between 1914-1918, WWII happened between 1939-1945.
The 1920s were a period of relative peace between World War I, which ended in 1918, and World War II, which started in 1939.
World war 2 began in 1939 between Hitler and Britain. The war finally ended in 1945.