Portuguese explorers were the first European nation to sponsor voyages of exploration, with Prince Henry the Navigator leading the way by sending ships to explore the West African coast and search for a sea route to the East
Ferdinand Magellan, a Portuguese explorer sailing for Spain, led the first circumnavigation of the world from 1519 to 1522, proving the Earth was round
Other notable explorers include Francisco di Almeida, the first Viceroy of Portuguese India; Alfonso de Albuquerque, a Portuguese general and empire builder; and Marco Polo, a Venetian trader and explorer who spent 17 years in China