Across
- 2. - Person who vigorously supports their country (7 letters, seven)
- 5. - Fortress in Paris, stormed during the French Revolution (8 letters, eight)
- 6. - Monumental structure in ancient Egypt (7 letters, seven)
- 7. - Ancient Incan city in Peru (11 letters, eleven)
- 10. - Holder of land by feudal tenure on conditions of homage and allegiance (6 letters, six)
- 12. - Astronomer who supported the heliocentric theory (7 letters, seven)
- 14. - Participant in one of the medieval Crusades (8 letters, eight)
- 15. - Mesoamerican culture in central Mexico (6 letters, six)
Down
- 1. - Disease that caused the Black Death in Europe (6 letters, six)
- 3. - Member of the medieval Christian military order (7 letters, seven)
- 4. - Volcano that erupted and destroyed Pompeii (8 letters, eight)
- 8. - Explorer who made four voyages to the Americas (8 letters, eight)
- 9. - Estate of land held on condition of feudal service (7 letters, seven)
- 11. - Warriors of an ancient Greek city-state known for their discipline (8 letters, eight)
- 13. - Ancient civilization known for its calendar and writing system (6 letters, six)