| A | B |
| Charlemagne | Holy Roman Emperor |
| Aachen | Charlemagne's Court |
| Missi Dominici | Lord's Messengers |
| Treaty of Verdun | division of Charlemagne's empire into 3 parts |
| Vikings | invaders from the North |
| Muslims / Saracens | attacked Southern Europe |
| Magyars | attacked Eastern Europe |
| Eric the Red | founded colony in Greenland |
| Danegeld | payment made to keep Vikings from attacking |
| Lief Ericson | discovered and explored North American |
| William the Conqueror | Duke of Normandy who defeated English king to become ruler of England |
| Domesday Book | survey of English kingdom |
| Magna Carte | Great Charter signed by King John |
| King John | descendent of William who was a very bad king |
| Thomas Becket | advisor to King Henry II, killed at Canterbury |
| Pope Urban II | called for the First Crusade |
| Nicea | capital of the Turks, claimed by the Crusaders |
| Jerusalem | holy place of the Muslims because Mohammed had ascended to heaven there |
| Feudalism | a system of lords and vassals |
| manor | system of land ownership which included a house for the lord, village, fields, mill, etc |
| Joan of Arc | teenage girl who led the French army |