World War I Crossword

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Across
  1. 3. Failed naval invasion of Ottoman Empire
  2. 5. Nation with the largest navy at the time
  3. 6. His assassination was the catalyst of WWI
  4. 8. The first nation attacked
  5. 9. Tsar of Russia until 1917
  6. 11. Most fighting occurred here or France
  7. 12. Last major to join the war
Down
  1. 1. Kaiser of Germany during the war
  2. 2. The only middle eastern nation in the Central Powers
  3. 3. Strongest and leader of the Central Powers
  4. 4. First communist dictator, overthrew tsar
  5. 7. First battle with tanks
  6. 10. The battle here was the largest of the war