...unt of his four voyages to the New World, in which was given the date of May 29, 1497, as the time when he sailed on his first voyage. That was a year earlier than the discovery of the continent of South America by Columbus and of North America by Cabot, and made it appear that Vespucius was the first discoverer. After the death of Columbus, in 1506, a friend of Vespucius proposed to the Academy of Cosmogr...