WW1 Puzzle

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Across
  1. 4. britain enters ____
  2. 5. Germans defeated the Russian army on its way to invade Germany.(Battle-of-____)
  3. 12. ___ OF ARCHDUKE FRANZ FERDINAND AND HIS WIFE IN SARAJEVO
  4. 13. ALLIES STOP THE GERMAN INVASION OF ____
  5. 15. ___is overthrown, and a German Republic is made.
  6. 16. Mihiel General Pershing leads the American Army to Victory.
  7. 17. ______ STUMBLES IN ITS SERBIA CAMPAIGN
  8. 21. JUL 28, 1914 Austrian-Hungarian Empire Declares war on ____
Down
  1. 1. An indecisive naval battle between German and British fleets.(a battle of ___)
  2. 2. ____ in africa
  3. 3. The __ Royal Air Force is formed at 1918 April 1
  4. 6. _____’S EARLY SUCCESS ON BOTH FRONTS
  5. 7. ARMY JOINS WW1 at October, 1914
  6. 8. ___ at July 28, 1914
  7. 9. INVASION OF TOGOLAND BY ____
  8. 10. ____ of the Lusitania
  9. 11. of Germany, Austria-Hungary, the Ottoman Central-Powers Empire, and Bulgaria, this was one of the two main factions during World War I
  10. 14. July ___ begins at July 1914
  11. 18. NOV 10, 1917 ___ withdraws from the War
  12. 19. Apr. 2, 1917 ____ declares War
  13. 20. ____ DECLARES WAR ON GERMANY, WW1 BEGINS IN ASIA