unless you are an American the answers is WTF? The war was from 1914-1919 (the US entered in Fall 1917)
World War 2 was about two years longer than World War 1.
two years.
World War I ended with the Treaty of Versailles on November 11, 1918. World War II is generally considered to have started on 1 September 1939. So a bit (two months and ten days) under 21 years.
1939 to 1945
There are four years in between two World Cups.
There are four years in between two World Cups.
there were many changes between the weapons in world war one and world war two, in world war two we now have the atoimic bomb, also the guns were better and have longer range.
Protestants and Catholics.
It was 21 years between the two.
About twenty years.
Hitler and Mussolini
In Europe World War I started in 1914 and ended in 1918. 11 November. World War II started in Europe in 1939 and finished in 1945 world war I ended in November 1918 and world war II started in September 1939, so there are just under 21 years between them