What is the deadliest event in human history?

Related questions

1. How many American soldiers died in ww1?
2. When did the last soldier from ww1 die?
3. How many soldiers drowned on D Day?
4. What has killed the most humans throughout history?
5. How many ww1 soldiers are still missing?
6. What was the deadliest day?
7. What is the weakest gun in the world?
8. Did more soldiers died in ww1 or ww2?
9. How many Russian soldiers were killed in ww1?
10. What was the worst weapon used in ww1?

Tags

1. #offensive
2. #casualties
3. #those
4. #france
5. #somme
6. #world
7. #november
8. #occurred
9. #fought
10. #between
11. #battle
12. #british
13. #against
14. #forces
15. #germans
16. #million
17. #french