Across
- 5. Franz Ferdinand Assassination that sparked the war
- 6. British ship sunk by a German U-boat
- 12. Treaty that ended the war
- 14. Agreement that ended fighting on November 11, 1918
- 16. Wilson American President during WWI
- 17. Coalition including France, Britain, and the U.S.
- 18. Plan Code name for German military plan to invade France
- 19. Man's Land Dangerous area between trenches
- 20. Gas Chemical weapon first used in WWI
Down
- 1. von Richthofen Elite German fighter pilot nicknamed the "Red Baron"
- 2. Nickname for U.S. infantrymen in WWI
- 3. German submarine used in naval blockades
- 4. Long ditches soldiers lived in
- 7. Major WWI battle fought on the Western Front in 1916
- 8. Wilhelm Leader of Germany during the war
- 9. Payment demanded from Germany after the war
- 10. of Nations International group formed after the war to promote peace
- 11. Site of a brutal battle between France and Germany
- 13. Australian and New Zealand Army Corps
- 15. Russian revolutionaries who overthrew the government during WWI