Across
- 3. 1969 music festival
- 4. Underground Railroad conductor
- 6. Light bulb inventor
- 8. Japanese internment case
- 12. Bloodiest Civil War day
- 16. Ended Cold War
- 18. Four-term president
- 19. Interstate highways
- 21. Space Race start
- 22. Island immigration station
- 23. Express mail service
- 24. Dropped atomic bomb
- 25. Lost Colony
Down
- 1. WWII battle
- 2. Rides for civil rights
- 5. Railroad for slaves
- 7. Evolution trial
- 9. Revolution turning point
- 10. Act colonial protest
- 11. Turning point battle
- 13. Established judicial review
- 14. First moonwalker
- 15. First political party
- 17. Vietnam peace talks
- 20. Post-WWII alliance