Across
- 2. An alphabet used in Russia
- 6. An action that created the two largest denominations in Christianity
- 8. A church in the East split off from another big church
- 10. Colorful rock, glass, or other painted material used to create art
- 11. A legal code made by the ruler of the Byzantine Empire
- 12. A large area of flat unforested grassland
Down
- 1. The highest-ranking bishops in Eastern Orthodoxy
- 3. Built as a Greek Orthodox church
- 4. Believed that they had a divine right to rule Russia
- 5. The capitol of the Roman Empire
- 7. Called itself the "Great state"
- 9. Large people in history, being very well known