Question

5. The First world war (last) for four
years​

Answer 1

Answer:

first world war lasted for 4 years

Answer 2

Answer:

World War I (often abbreviated as WWI or WW1), also known as the First World War or the Great War, was a global war that lasted from 28 July 1914 to 11 November 1918.

Start date: 28 July 1914

End date: 11 November 1918