August 1914 to November 1918
World war 1 was going on
No, seeing as World War I ended in 1918, two years before the twenties began.
World War 1 went on for about 4 years.
No
NO it wasnt that long it was about 10-15 years when world war 2 started AFTER world on 1 . :)
world war one fought from the years of 1914-1918
27 years
World War 2 lasted longer, six years compared to the four years of World War 1.
21 years.
World War 2 was about two years longer than World War 1.
The years after ww1
20 years