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
World War 2 lasted longer, six years compared to the four years of World War 1.
It is important because it is the longest war in the world.
japanese and Australia
WW2