Across
- 3. Failed attack on Turkey in 1915
- 5. German gunboat in the Second Moroccan (Agadir) Crisis (7)
- 9. Assassin who shot Archduke Franz Ferdinand (7)
- 10. The Kaiser on a white horse (7)
- 13. British PM at the end of WWI (5,6)
- 15. Australian and New Zealand troops (6)
- 16. British volunteers (4,10)
- 17. Britain, France and Russia together (6,7)
- 18. First used by the Germans in 1915 (8,3)
- 20. Plan to avoid a war on two fronts (10)
- 21. Mutiny of German sailors (4)
- 23. First World War battle in 1916 (5)
- 24. Only major sea battle of WWI (7)
- 25. Troublesome area of Austro-Hungarian Empire (7)
Down
- 1. Led to food shortages in Germany (5,8)
- 2. Joined the war in 1917 (7)
- 4. Passenger Liner sunk in 1915 (9)
- 6. Germany, Austria-Hungary and Italy (6,8)
- 7. City where Archduke Franz Ferdinand was murdered (8)
- 8. Battleship before WWI (11)
- 11. Germany's 'world policy' before WWI (11)
- 12. Third Battle of Ypres in 1917 (13)
- 14. German general (10)
- 17. Whale oil rubbed on to prevent this (6,4)
- 19. British Army commander in 1916 (4)
- 22. Austria-Hungary annexed here in 1908 (6)