- Christopher Columbus italian name was Cristoforo Colombo. He was a citizen of the Republic of Genoa.
- Leif Erikson is regarded as the first European to land in North America, nearly 500 years before Columbus.
- There's a direct descendant of Christopher Columbus alive today. He's a Spanish noble.
- No one knows what Christopher Columbus looked like. No authentic contemporary portraits of him were found. Most just reconstructed his appearance from written descriptions.
- Christopher Columbus thought that the world was shaped like a woman's breast.
- Machu Picchu was built around 1450 CE, less than 50 years before Christopher Columbus sailed to the New World.
- Christopher Columbus brought the first lemon seeds to America.
- Christopher Columbus thought he saw mermaids in 1493, but from his description, they were probably manatees.
- Some historians believe that Columbus visited Iceland's Snaefellsnes Peninsula in 1477 and there learned of Viking explorations of the New World.