It's Been Year(s)!

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Across
  1. 5. First spacecraft to land on mars
  2. 7. The peanut farming U.S. President
  3. 9. Horror franchise based on Ronald DeFeo's crimes
  4. 10. First-aid procedure for upper airway obstructions
  5. 14. Jim Henson's cast of characters
  6. 16. 70's and 80's heartthrob
  7. 17. Antiquated format for movies and home videos
  8. 18. 3D puzzle originally called a magic cube
Down
  1. 1. Weekly U.S. pop culture magazine
  2. 2. Comăneci who scored the first perfect 10 in gymnastics
  3. 3. Fighter who won the famous Rumble in the Jungle
  4. 4. Hit Sylvester Stallone drama
  5. 6. Power pitcher Ryan who played for the Angels
  6. 8. Two-hundred year anniversary celebration
  7. 11. Hank who broke Babe Ruth's homerun record
  8. 12. Electronics company started in a garage
  9. 13. U.S. President who pardoned Nixon
  10. 15. Dungeons and ____; Tabletop role playing game
  11. 19. Stray dog who befriends Cindy and Paul
  12. 20. "___ me!" (checkers cry)