Across
- 2. Ancient defensive fortification
- 5. Devastating pandemic in the 14th century
- 8. Civilization along the Nile River
- 10. Napoleon's final defeat in 1815
- 12. Scandinavian seafarers and warriors
- 14. Ancient Mediterranean superpower
- 15. Invention revolutionizing printing
- 17. Overthrow of the Russian monarchy
- 19. Severe worldwide economic downturn
- 21. Ancient Mesoamerican civilization
- 22. Policy of acquiring and ruling foreign territories
- 25. Pre-Columbian civilization in South America
- 26. Conflict over slavery in the US
- 28. Period between ancient and modern times
- 29. Period of global maritime expansion
- 30. Ancient trade route connecting East and West
- 31. Overthrow of the Tsarist regime
- 32. Successor to the Eastern Roman Empire
- 35. Civilization known for democracy and philosophy
- 36. Series of conflicts led by Napoleon
- 39. Period of radical social and political change in France
- 40. Cultural rebirth in Europe
- 41. Colonial witchcraft hysteria in Massachusetts
Down
- 1. Ancient Babylonian legal code
- 3. Global conflict from 1914 to 1918
- 4. social and economic system
- 6. Political tension between the US and USSR
- 7. Mongol conqueror and founder of the empire
- 9. Japanese attack on US naval base
- 11. Fight for equality and justice
- 13. Era of mechanization and urbanization
- 16. Legends of ancient Greek gods
- 18. Period of economic and technological change
- 20. Epidemic disease causing widespread death
- 23. Mesoamerican civilization in Mexico
- 24. 1215 document limiting royal power
- 27. Global conflict from 1939 to 1945
- 33. Colonial revolt against British rule
- 34. Cradle of civilization between the Tigris and Euphrates
- 37. Military city-state in ancient Greece
- 38. Genocide of Jews during World War II