| A | B |
| Aachen | capital of Charlemagne's Frankish empire |
| Scandinavia | consist of Norway, Sweden, and Denmark in northern Europe |
| Holy Roman Empire | Otto's territory that included Germany and northern Italy |
| Clovis | became catholic in A.D. 496 |
| Charles Martel | the most powerful mayor |
| Charlemagne | Charles' nickname; Charles the Great |
| Otto 1 | fought the Magyars and sent troops into Italy to protect the pope |
| Gregory the Great | wanted all of Europe to become Christians |
| fjord | steep sided valleys that are inlets of the sea |
| missionary | people who are sent out to teach their religion |
| excommunicate | to exclude a person from church membership |
| concordat | agreement between the pope and the ruler of a country |