Amerigo Vespucci was born March 9, 1451 in Florence Italy. On may 10, 1497 he discovered todays Rio de la Plata. Believing that he discovered a new continent, he called it south America in the new world. America was named after him. His first voyages was in may 10, 1497, he sailed through the west indies and made his way to the mainland of Central America within five weeks. This meant that Vespucci discovered Venezuela a year before Christopher Columbus did. Vespucci and his fleet arrived back in Cadiz in October 1498.
Research found from, history.com, biography.com and exploration.marinersmuseum.org