World war 1 lasted for 4 years (1914-1918).
From 1st September 1939 until 8th May 1945.
World War 1 lasted for about 4 years and 3 months. WW1 started in August of 1914 and ended in November of 1918, however, the last peace treaties were not signed until 1923.
The second World War started in September 1939 and ended in March 1940.
3 months, between 1 July 1916 till the middle ofNovember 1916
1 second
How long does a nanosecond last, a millionth of a second or a billionth of a second?A nanosecond lasts a billionth of a second.
1 second
0.1 second
20 years
6 years
6 years
1730-1760
1730-1760
1/4 of a second
it lasted 1 second
2 bagillion years