The battle of Verdun

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Across
  1. 3. The month when the battle started
  2. 4. slogan "Ils ne passeront pas" means "They shall not ____"
  3. 8. The defensive line in this type of warfare
  4. 9. The main weapon used for bombardment
  5. 10. Verdun was a battle of _______
  6. 11. The German strategy was to "______" the French army
  7. 13. Verdun was a major _____ for the French
  8. 14. The Battle of Verdun took place in this country
Down
  1. 1. One side in the battle
  2. 2. The river near the battlefield
  3. 4. French General at Verdun
  4. 5. This explosive device was thrown by hand
  5. 6. This weapon fired hundreds of bullets per minute
  6. 7. The battle lasted almost ____ months
  7. 12. "No man's _____"