Definition
Amerigo Vespucci was an Italian explorer and cartographer who lived in the late 15th and early 16th centuries. He is most famous for realizing that the lands discovered by Columbus were not part of Asia, but a new continent. Think of him as the guy who said, "Wait a minute, this isn't Kansas anymore!" His detailed accounts and maps helped shape European understanding of the world. Ultimately, his insights led to the naming of America in his honor. He was a true pioneer of discovery.