When did Columbus discover the New World?

1492 On August 3rd, Christopher Columbus set out from Spain and began his first voyage. After more than two months' voyage, he first arrived in America on June 3rd, 1492, 10, 12. He thought it was India, but it was actually the Bahamas.

Christopher Columbus's discovery of the new continent was the most important navigation activity of western European navigators in the15th century. Christopher Columbus, an Italian navigator, was born in Genoa and moved to Portugal in 1476. He once proposed to the Portuguese king to sail westward and explore sea routes to East India and China, but it was not adopted. 1485 immigrated to Spain.