Which country started the first world war
- Which country won the first world war
- Which country initiated the first world war
- Which country withdrew the first world war and why
- Which country involved in the first world war
- Which country has started the first world war
- Which country the first world war
- Which country fought the first world war
- Which country caused the first world war
- Which country won the first world war 1
- Which country entered the first world war late in 1917
- Which country declared the first world war
- Which country lost first world war
- Which country did the first world war
- Which country began the first world war
- Which country start the first world war