Across
- 4. The ruler of Russia until the 1917 revolution.
- 7. The representative and leader of the eastern orthodox Christians worldwide.
- 10. A dry, grassy plain.
- 11. The art of creating images with small pieces of colored glass, stone, or other materials.
- 12. The established church of Greece.
Down
- 1. First written in Russia, it is very similar to the Greek alphabet.
- 2. An ancient city in Turkey.
- 3. A body of Mongols who overran eastern Europe.
- 5. The splitting of Christianity into 2 divisions.
- 6. A legal code with various sets of laws under the Byzantine Empire.
- 8. A church in Constantinople.
- 9. Sacred images representing Christianity.