Islam, Byzantine, Russia, Turkey
| 7738301277 | Byzantine | empire based in the city of Constantinople | 0 | |
| 7738312134 | caesaropapism | the doctrine that the state is supreme over the church in ecclesiastical matters (Byzantium) | 1 | |
| 7738335342 | Code of Justinian | Body of civil laws in Constantinople used for 900 years | 2 | |
| 7738345017 | Crusades | holy wars | 3 | |
| 7738379273 | Great Schism (1054) | split between the roman Christian (catholic) and the Byzantine religion (Greek Orthodox) | 4 | |
| 7738386606 | Hagia Sophia | beautiful byzantine church destroyed in riots and rebuilt later | 5 | |
| 7738394331 | Hajj | Islamic pilgrimage to Mecca once in the lifetime | 6 | |
| 7738401680 | Hijrah | Muhammad moves from Mecca to Medina (official name) | 7 | |
| 7738413089 | Iconoclasm | the social belief in the importance of the destruction of usually religious icons and other images or monuments, most frequently for religious or political reasons | 8 | |
| 7738429635 | Mamluks | Arabic/Muslim slaves | 9 | |
| 7738442540 | Mongols | nomadic people who entered Russia and forced tribute for 200 years | 10 | |
| 7738459168 | Seljuk Turks | Turkish people who captured Baghdad, Anatolia, and Byzantine | 11 | |
| 7738487882 | Slavs | People living in Eastern Russia who were converted to Christianity | 12 | |
| 7738511690 | Rus | Viking people who merged with the Slavs | 13 | |
| 7738522231 | Third Rome | Moscow under rule of Ivan III | 14 | |
| 7738527851 | Muhammad | prophet/founder of Islam | 15 | |
| 7738527852 | Justinian | Byzantine emperor | 16 | |
| 7738527853 | Theodora | wife of Byzantine emperor | 17 | |
| 7738531493 | Saint Methodius/Saint Cyril | instigators of christian faith to the slavs | 18 |

