| A | B |
| Middle Ages | A time period from 400-1400 |
| Feudalism | System of King, lord, vassal, & serf. |
| Black Death | Epidemic that struck Europe during the Middle Ages. |
| Muhammad | Prophet and founder of Islam. |
| Qur'an | Islamic holy bible |
| Crusades | Series of religious wars during the Middle Ages. |
| Charlemagne | Second King of France who united his country under one church. |
| Richard the Lion heart | King of England who fought in the Crusades. |
| Saladin | Arab leader and general who captured the city of Jerusalem. |
| Joan of Arc | French girl who led France against the English during the Middle Ages. |
| Hundred Years War | Series of wars fought between France and England during the Middle Ages. |