Origins & Early Life

Diogo Cão (European Portuguese pronunciation: [diˈoɣu ˈkɐ̃w]; c. 1452 – 1486), also known as Diogo Cam, was a Portuguese mariner and one of the most notable explorers of the fifteenth century. He made two voyages along the west coast of Africa in the 1480s, exploring the Congo River and the coasts of present-day Angola and Namibia. Little is known about the early life of Diogo Cão.

Pivotal Works & Achievements

According to tradition, he was born in Vila Real, Portugal, around 1452. His grandfather, Gonçalo Cão, had fought for Portuguese independence at the Battle of Aljubarrota. By 1480, Cão was sailing off the coast of Africa in the service of João II. There is a record that he returned to Portugal with captured Spanish ships. When the Treaty of Alcáçovas (1480) confirmed Portugal's monopoly on trade and exploration along Africa's west coast, João II moved quickly to secure and expand his hold on the region.

Enduring Legacy & Impact

In 1481, a fleet of ten ships was dispatched to the Gold Coast to construct a fortress known as São Jorge da Mina. The fort would serve as a commercial center for trade (including in slaves) and an important point of resupply for Portuguese voyages. João II also...

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