Across
- 5. A title in ancient Russia referring to the supreme leader
- 6. An ancient city now known as Istanbul
- 9. Sacred images relating to Christianity
- 10. Western part of the Mongol Empire
- 11. Dry, grassy plain
- 12. A biblical figure regarded as a father of the human race
Down
- 1. Legal code of the Byzantine Empire
- 2. The art of creating images with colored glass
- 3. An alphabet closely related to Greece's, is now used in Russia
- 4. Christianity's original church
- 7. Built as a church but is now a mosque in Turkey
- 8. Split main faction of Christianity in 2 divisions