World War one was the first great war. It was the biggest war the world had seen and involved many countries.
123 countries involved in the war
9
Europeans (APEX)
Pretty much anyone involved in the war.
yes
There were not only two countries.
World War I was also called 'The Great War'. It was given that name because it involved all of the world's great powers or most influential and important countries.
Because most of the major countries of the world were involved in the fighting.
Switzerland, Turkey, Portugal, Sweden, and Spain were neutral countries in World War 2.
Most Asian countries were involved in World War 2
786
1
poland
clue less
clue less
japan