The search for trade routes
Vasco da Gama's pioneering sea voyage to India is one of the defining moments in the history of exploration. Apart from being one the greatest pieces of European seamanship of that time - a far greater achievement than Christopher Columbus's crossing of the Atlantic - his journey acted as a catalyst for a series of events that changed the world.
By the middle of the 15th century, Portugal was the leading maritime nation in Europe, thanks largely to the legacy of Prince Henry the Navigator, who had brought together a talented group of mapmakers, geographers, astronomers and navigators at his school of seamanship at Sagres, in southern Portugal.
'Henry sponsored voyages of exploration south along the west African coast... but the southern extent of the continent remained unknown to Europeans.'
Henry's intention had been to find a sea route to India that would give Portugal access to the lucrative trade in spices from the Far East. He had hoped to be aided by an alliance with the elusive Prester John, whose Christian empire was thought to exist somewhere in Africa and who might have provided assistance to Christians in any fight to overcome Muslim dominance of the Indian Ocean trade. For 40 years, Henry sponsored voyages of exploration south along the west African coast, resulting in a lucrative trade in slaves and gold - but the southern extent of the continent remained unknown to Europeans, and the Prince's dream was not realised.
It was not until 1487 that Bartholomew Diaz set off on the voyage that finally reached the southern tip of Africa. By rounding the Cape of Good Hope, Diaz proved that the Atlantic and Indian Oceans were not landlocked, as many European geographers of the time thought, and rekindled the idea that a sea route to India might indeed be feasible.
To complement the sea voyages of Diaz, the Portuguese monarch King John II also sent Pedro da Covilha, a fluent Arabic speaker, out on a dangerous overland journey to India. Disguised as an Arab, Covilha gathered vital information on the ports of the east African and Indian coasts during his three-year journey.
It would, however, be a further ten years before the Portuguese were able to organise a voyage to exploit the discoveries of these two explorers. In the meantime, Christopher Columbus, sponsored by the Spanish, had returned to Europe in 1493 to announce that he had successfully found a route to the Orient by sailing west across the Atlantic.
Published: 2002-09-04
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