21th one

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Across
  1. 2. - Resurrection day
  2. 8. - Honoring elders
  3. 9. - Explorers' commemoration
  4. 10. - National freedom celebration
  5. 14. - December 31st celebration
  6. 20. - Festive song
  7. 21. - Honoring military service
  8. 23. - Worker protection legislation
  9. 24. - Honoring American leaders
Down
  1. 1. - Remembering the fallen
  2. 3. - Tree-planting holiday
  3. 4. - Festive time of year
  4. 5. - Explorers' commemoration
  5. 6. - Weather-predicting critter
  6. 7. - Employment opportunities
  7. 9. - Festive decorations
  8. 11. - Springtime procession
  9. 12. - Honoring elders
  10. 13. - School break
  11. 15. - Resurrection day
  12. 16. - Irish heritage celebration
  13. 17. - Lodging chain
  14. 18. - Seinfeld holiday
  15. 19. - Time for discounted drinks
  16. 22. - Workers' collective