Across
- 3. Ancient Greek city-state known for its military prowess
- 8. Renaissance artist who painted the Mona Lisa
- 10. Author of the "Communist Manifesto"
- 12. War fought between Britain and its American colonies
- 13. Famous Roman gladiator who led a slave revolt
- 14. Policy of extending a nation's power and influence
- 15. Ancient wonder located in present-day Iraq
- 17. Ancient civilization in South America known for its mountain city of Machu Picchu
- 18. The "Sun King" of France
- 19. The "Iron Chancellor" who unified Germany
- 20. Ancient civilization known for its pyramids and pharaohs
Down
- 1. System of government with a hereditary ruler
- 2. Ideology advocating for a classless society
- 4. The first human to walk on the moon
- 5. Famous explorer who "discovered" America
- 6. Religious movement that began in the 16th century
- 7. Global conflict that ended in 1945
- 9. Conflict fought between the North and South in the US
- 11. Philosopher whose ideas influenced the French Revolution
- 16. Period of European history following the Middle Ages
- 18. Leader of the Russian Revolution
