Across
- 3. A body of Mongols that overran eastern Europe in the 13th century and dominated Russia until 1486
- 7. A city founded by the Roman emperor Constantine the Great as capital of the eastern part of the Roman Empire
- 8. The last of three church buildings to be successively erected on the site by the Eastern Roman Empire
- 12. The alphabet based principally on the Greek uncials that was originally used for writing Old Church Slavonic
Down
- 1. A collection of laws and legal interpretations developed under the sponsorship of the Byzantine emperor Justinian
- 2. The name applied to the Christian Church that grew and flourished in the eastern, predominantly Greek speaking regions of the late Roman Empire
- 4. any of those biblical figures regarded as fathers of the human race
- 5. The ongoing break of communion between the Roman Catholic and Eastern Orthodox churches that began in 1054
- 6. A large area of flat unforested grassland in southeastern Europe or Siberia
- 9. A painting of Jesus Christ or another holy figure, venerated and used as an aid to devotion in the Byzantine and other Eastern Churches
- 10. A picture or pattern produced by arranging together small colored pieces of hard material, such as stone, tile, or glass
- 11. the ruler of Russia until the 1917 revolution
