Across
- 2. Ship sunk in 1915
- 5. The treaty that ended the war (1918)
- 9. The telegram that made the USA join the war (1917)
- 10. The country Germany wanted to 'bleed white' (1916)
- 11. Assassinated Arch Duke (1914)
- 13. Battle that began on 1st of July (1916)
Down
- 1. Campaign to secure a sea route to Russia (1915)
- 3. The plan to defeat France (1914)
- 4. The month the war ended (1918)
- 6. The name of the type of flu epidemic (1918)
- 7. One of the first countries to declare war (1914)
- 8. The type of warfare on the Western Front (1915)
- 12. The name of the Russian king (1917)