What year did first world war end
- What year first world war ended
- What did first world war end
- What date did first world war end
- What time did first world war end
- What year first world war end
- What year did the first world war finally end
- What day did first world war end
- What year did the first world war start and end
- What year did the first world war begin and end
- What year respectively did the first world war start and end
- In what year did both the first and second world war end