Jaron's Super Difficult Roman Numeral Crossword

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Across
  1. 2. Seconds in one day
  2. 3. 87
  3. 6. current number of billionaires
  4. 8. Dolphins first Super Bowl win
  5. 11. Current Year
  6. 13. 9000+100-26
  7. 14. what you say in the morning
  8. 18. How many hours in one year
  9. 19. 450
  10. 20. 3800
  11. 21. what year did the Civil War End
Down
  1. 1. 48
  2. 4. 45014
  3. 5. What year did the Titanic Sink
  4. 7. 64 Squared
  5. 9. When was the last time the White Sox won the WS
  6. 10. 1204
  7. 12. what year did America Gain Independence
  8. 15. 56715
  9. 16. 6459
  10. 17. 550