| A | B |
| Vikings | first European people known to have visited the Americas |
| Leif Ericsson | leader of first Europeans to visit the Americas |
| Vinland | name of the first European settlement in the Americas |
| Martin Behaim | first European to make a globe |
| Marco Polo | European whose descriptions of the riches of China made traders want to go to Asia |
| Constantinople | city captured by the Turks, closing off trade routes between Europe and Asia |
| Prince Henry | Portuguese leader who started a school for navigators |
| Bartholomeu Dias | Portuguese explorer who was the first European to sail around the southern tip of Africa |
| Vasco da Gama | Portuguese explorer who found a sea route to Asia by sailing around Africa |
| San Salvador | name for the island on which Columbus first landed |
| John Cabot | Italian explorer who landed on present-day Newfoundland but told people he had found Cathay |
| Amerigo Vespucci | Italian explorer who figured out that Columbus had not reached Asia |
| Pacific Ocean | body of water reached by Spanish explorer Vasco Nunez de Balboa |
| Ferdinand Magellan | European who proved it was possible to reach Asia by sailing west from Europe because his ship sailed around the world |