Portuguese discovery of the sea route to India of the "São Gabriel" and its sister ship, the "São Rafael" that were used by Vasco da Gama to sail past the Cape of Good Hope and continue to India. One of the sailors, Bartolomeu Dias passed the southernmost point of Africa known as the Cape of Good Hope in 1488. He declared it possible to travel to India by going around Africa. The Portuguese were then able to make an immense profit by using their own ships to retrieve the spices. This global expedition was launched on 8 July 1497. It concluded two years later with the entry of
Portuguese discovery of the sea route to India Constantinople by the Ottomans, the trade of Venice and Genoa reduced to a great degree. The advantage of the Portuguese to establish a sea route therefore virtually free of assault – however, covered in perils in the sea – showed itself rewarding and outlined a large income to the Crown in the future. Portugal directly linked the spice producing regions to their markets in Europe. Around the year 1481, João Afonso of Aveiro attempted to undertake an exploration of the kingdom of Benin, and gathered information about an almost legendary prince Ogané, whose kingdom was located far to the east