World War 2, because World War 1 lasted 4 years (1914~1918) and world war 2 lasted 6 years (1939~1945).
there is none. the longest war in world war 1 is world war 1. it would have to be the longest battle. :)*
world war 1 lasted longer
World War I lasted from 1914 - 1918, and World War II was from 1939 - 1945, so WWII continued for a longer time period.
no
no
japanese and australia
World war
The world war one was located in hungary but was then continued to britain
It is important because it is the longest war in the world.
World War 2 lasted longer, six years compared to the four years of World War 1.
japanese and Australia
WW2