Across
- 1. 1969 festival
- 4. 1956 conflict
- 6. Civil War battle
- 10. First airplane
- 11. Ancient battle
- 13. Project creation
- 15. Fall of
- 19. Genocide tragedy
- 21. Waterloo defeat
- 23. Bombed city
- 24. Spain-Portugal pact "Treaty of ..."
- 25. End of slavery
Down
- 2. Nuclear disaster
- 3. Reformation
- 5. Women's vote
- 7. First satellite
- 8. Armstrong's step
- 9. Cold War divide
- 12. Cultural revival
- 14. Beach landing
- 16. Japanese attack
- 17. Medieval plague
- 18. Artistic boom
- 20. WWI ceasefire
- 22. Modern revival