| A | B |
|---|
| autocrat | sole ruler with complete authority |
| patriarch | highest Church official in Constantinople |
| icon | holy image |
| schism | permanent split of the Church |
| Hagia Sophia | "Holy Wisdom" |
| Corpus Juris Civilis | Justinian's Code |
| Procopius | historian "Secret History" |
| boyar | great landowning noble |
| czar | Russian word for "Caesar" |
| ethnic group | group of people who share the same language and culture heritage |
| Theodora | Justinian's wife |
| Justinian | Ruled from 527-565 |
| Istanbul | Region of the empire |
| Byzantine Empire | Famous empire |
| Kiev | center of the first Russian state |
| Ivan the Great | Ivan III |
| Ivan the Terrible | Ivan IV |
| Yaroslav the Wise | he issueda written law code |
| Genghiz Khan | "World Emperor" |
| Mongols | called Tatars by the Russians |
