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| 10552501612 | Hagia Sophia | New church constructed in Constantinople during reign of Justinian | 0 | |
| 10552501613 | Belisarus | One of Justinian's most important military commanders during period of reconquest of Western Europe,commanded in N. Africa and Italy | 1 | |
| 10552501614 | Greek Fire | Byzantine weapon consisting of mixture of chemicals that ignited when exposed to water; utilized to drive back the Arab fleets that attacked Constantinople | 2 | |
| 10552501615 | Bulgaria | Slavic kingdom established in northern portions of Balkan peninsula; constant source of pressure on Byzantine Empire; defeated by Emperor Basil II in 1014 | 3 | |
| 10552501616 | Cyril | Along with Methodius, missionary sent by Byzantine government to eastern Europe and the Balkans; converted southern Russia and Balkans to Orthodox Christianity; responsible for creation of written script for Slavic known as Cyrillic. | 4 | |
| 10552501617 | Methodius | Along with Cyril, missionary sent by Byzantine government to eastern Europe and the Balkans; converted southern Russia and Balkans to Orthodox Christianity; responsible for creation of written script for Slavic known as Cyrillic. | 5 | |
| 10552501618 | Kiev | Trade city in southern Russia established by Scandinavian traders in 9th century; became focal point for kingdom of Russia that flourished to 12th century. | 6 | |
| 10552501619 | Rurik | Legendary Scandinavian, regarded as founder of the first kingdom of Russia based in Kiev in 855 C.E. | 7 | |
| 10552501620 | Kievan Rus' | the predecessor to modern Russia; a medieval state that existed from the end of the 9th to middle of the 13th century; its territory spanned parts of modern Belarus, Ukraine, and Russia | 8 | |
| 10552501621 | Vladimir 1 | Ruler of Russian kingdom of Kiev from 980 to 1015; converted kingdom to Christianity | 9 | |
| 10552501622 | Russian Orthodoxy | Russian form of Christianity imported from Byzantine Empire and combined with local religion; king characteristically controlled major appointments | 10 | |
| 10552501623 | Yaroslav | (978-1054) Last of great Kievan monarchs; issued legal codification based on formal codes developed in Byzantium | 11 | |
| 10552501624 | Boyars | Russian aristocrats; possessed less political power than did their counterparts in western Europe | 12 | |
| 10552501625 | Tatars | Mongols; captured Russian cities and largely destroyed Kievan state in 1236; left Russian Orthodoxy and aristocracy intact | 13 | |
| 10552501626 | Byzantine Empire | (330-1453) The eastern half of the Roman Empire, which survived after the fall of the Western Empire at the end of the 5th century C.E. Its capital was Constantinople, named after the Emperor Constantine. | 14 | |
| 10552501627 | Balkans | geopolitical and cultural region of southeastern Europe. Greece and the region North of Greece. | 15 | |
| 10552501628 | Constantinople | Capital of the Byzantine Empire | 16 | |
| 10552501629 | Rurik | Legendary Scandinavian, regarded as founder of the first kingdom of Russia based in Kiev in 855 C.E. | 17 | |
| 10552501630 | Basil 2 | (976-1025) by the end of his reign the Byzantine empire was the largest it had been since the beginning of the seventh century. | 18 | |
| 10552501631 | Justinian | Byzantine emperor in the 6th century A.D. who reconquered much of the territory previously ruler by Rome, initiated an ambitious building program , including Hagia Sofia, as well as a new legal code | 19 | |
| 10552501632 | Theodora | the wife of Justinian, she helped to improve the status of women in the Byzantinian Empire and encouraged her husband to stay in Constntinople and fight the Nike Revolt. | 20 | |
| 10552501633 | Cyrillic | relating to the Slavic alphabet derived from the Greek and traditionally attributed to St. Cyril; in modified form still used in modern Slavic languages | 21 | |
| 10552501634 | Orthodox Christianity | A branch of Christianity developed in the Byzantine Empire, after its split from the Roman Empire. It spread throughout the eastern Mediterranean and Russia. | 22 | |
| 10552501635 | Clerical Celibacy | The requirement that all members of the clergy remain unmarried and celibate | 23 | |
| 10552501636 | Hellenism | the diffusion of Greek culture throughout the Mediterranean world after the conquest of Alexander the Great | 24 | |
| 10552501637 | Iconoclasm | Opposing or even destroying images, especially those set up for religious veneration in the belief that such images represent idol worship. | 25 |
