When did ww1 start and why?

Related questions

1. Why are medals worn on the left side?
2. Was Gavrilo Princip a member of the Black Hand?
3. How many people were killed by guns in ww1?
4. Why did they kill Archduke?
5. Who decided ww1 end?
6. Why did the Black Hand kill the Archduke?
7. Do you wear military medals to a funeral?
8. What side do I wear my father's medals?
9. How did World war1 end?
10. Should Germany be blamed for ww1?

Tags

1. #ferdinand
2. #events
3. #triggered
4. #demands
5. #harsh
6. #after
7. #assassination
8. #austria
9. #threatened
10. #franz
11. #chain
12. #world
13. #resulted
14. #serbia
15. #archduke
16. #sarajevo
17. #hungary