What are the ten most significant events of World War I?

1. assassination of archduke franz ferdinand.

2. invasion of togoland by britain and france, ww1 begins in africa.

3. japan declares war germany, ww1 begins in asia.

4.  allies stop the german invasion of paris.

5. long stalemate on the western front.

6. allies attack turkey in the gallipoli campaign.

7. the arab revolt in ottoman empire.

8. the united states enters ww1.

9. german spring offensive.

10. the central powers surrender.

can you give more details