The war in 1914, originally called the Great War, was later called a world war as it was fought by more countries and on a larger scale than any war before.
Chat with our AI personalities
It began in 1914 and ended in 1918
1914
Germany inveded the rhineland
World War I began in 1914 to 1918, it lasted a total of 4 years.
Most of the world fought in it.