The fourth, and final, voyage taken by Christopher Columbus in 1502 Overview of the events of 1502 in science
The year 1502 in science and technology included many events, some of which are listed below.
- January 1 – Portuguese explorers, led by Pedro Álvares Cabral, sail into Guanabara Bay, Brazil, mistaking it for the mouth of a river, which they name Rio de Janeiro.
- May 11 – Christopher Columbus leaves Cadiz, Spain for his fourth and final voyage to the New World.[1]
- May 21 – Portuguese navigator João da Nova discovers the uninhabited island of Saint Helena.[1]
- August 14 – Columbus lands at Trujillo and names the country 'Honduras'.[1]
- September 18 – Columbus lands in Costa Rica.
- Amerigo Vespucci, on his return to Lisbon from a voyage to the New World, writes a letter, Mundus Novus, to Lorenzo de' Medici indicating that South America must be an independent continent.[1]
- The Cantino planisphere is the first known world map showing Portuguese discoveries.
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