Across
- 1. Historic Central Asian city that became an important center of Islamic scholarship and trade.
- 4. Ancient empire centered in modern-day Iran.
- 6. Fighter who entertained crowds in ancient Rome.
- 7. Armored warrior serving a lord in medieval Europe.
Down
- 2. A sudden major change in a country's political or social system.
- 3. Scandinavian warrior, trader, and explorer of the Middle Ages.
- 4. The title given to the rulers of ancient Egypt.
- 5. Famous ship that sank in 1912.
- 8. First city to experience an atomic bomb attack.