| A | B |
| Leif Erikkson | Norse explorer who visited North America and led people to Vinland |
| manor | land belonging to a lord |
| Greenland | Leif Erikkson's home |
| Crusades | wars which Western European Christians fought to capture the Holy Land |
| Marco Polo | Italian who wrote a book about his travels to Asia |
| Renaissance | time of great creativity, art, literature, and learning in Europe |
| Middle Ages | period of European history after the fall of the Roman Empire |
| Black Death | disease that killed more than one-fourth of Europe's population |
| monarch | king or queen of a country |
| serf | peasant who lived and worked on a manor |
| middle class | social class between wealthy nobles and poor workers |
| Michelangelo | Italian artist of the Renaissance |
| feudal system | method for managing land during the middle ages |
| saga | legend telling about adventures |