Across
- 5. grandson of Princess Olga, he made all the citizens of Kiev convert to Christianity
- 6. prince of Moscow who openly challenged Mongol rule
- 8. Byzantine nobleman who succeeded his uncle to the throne of the Eastern Empire
- 10. alphabet invented by Cyril and Methodius for the Slavic languages
- 12. the greatest of the Seljuk sultans
- 13. single uniform code set up by a panel of legal experts
- 14. Turkish group that converted to Islam and migrated to the Abbasid Empire
- 15. Novgorod's prince and military leader
- 16. term that means "the leading bishop"
Down
- 1. groups that inhabited the forests north of the Black Sea
- 2. religious images used by Eastern Christians to aid their devotion
- 3. rebuilt by Justinian, the most splendid church in the christian world
- 4. the son of Vladimir who led Kiev to even greater glory and forged important trading alliances
- 7. another name for prime minister
- 9. the act of outcasting someone from the church
- 11. Russian version of Caesar