Across
- 2. a series of religious wars between Christians and Muslims
- 3. System, a system of agricultural estates in the Middle Ages
- 8. the head of the five major sees
- 10. a landed estate or territorial unit
- 12. , the capital of the eastern Roman Empire
Down
- 1. a medieval emperor who ruled much of Western Europe
- 4. , head of the Roman Catholic Church.
- 5. Alphabet, used for writing Old Church Slavic and for Russian and a number of other languages of eastern Europe and Asia
- 6. the prevailing economic and social system throughout much of Europe during the Middle Ages
- 7. trade city in southern Russia
- 9. empress who married Emperor Justinian I
- 11. a person who served his lord as a mounted and heavily armed soldier.
