During the first half of the 15th century, the Portuguese were encouraged by Prince Henry the Navigator to explore the coasts of Africa.
In 1492 Christopher Columbus sailed further west into the Atlantic Ocean and discovered islands that he thought were close to Asia.
A few years later, Vasco de Gama reached India by sailing around Southern Africa.
In 1522, one of the ships in Magellan’s fleet returned to Europe and brought proof that it was possible to circumnavigate the Earth.
In a few decades, the way that Europeans saw the world had been completely transformed.