What was World War 1 originally called?

World War 1 was originally called the Great War

World War I (often abbreviated as WWI or WW1), also known as the First World War or the Great War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918 ... In response, on 23 July, Austria-Hungary issued an ultimatum to Serbia.

End date: 11 November 1918

Start date: 28 July 1914

Combatants: German Empire, Kingdom of Roman