Covilha: Pedro Da

Returning to Cairo in 1490, Covilhã received two pieces of devastating news: Afonso de Paiva had died of plague. And second, two Portuguese Jewish agents (Rabbi Abraham of Beja and Joseph of Lamego) arrived with a message from King John II: "The sea route is being explored [Dias had reached the Indian Ocean]. Now find Prester John, for we have no other man who can do it."

Initially honored, Covilhã was soon informed of the Ethiopian law of the guardians : no foreigner of value was allowed to leave, lest they reveal the kingdom’s weakness to hostile Muslims. He was given lands, a wife, and high office. He would never see Portugal again. Returning to Cairo in 1490, Covilhã received two

In the late 15th century, Portugal was a nation obsessed with breaking the Venetian and Mamluk monopolies on the spice trade. The dream was to reach India by sea, circumnavigating Africa. However, the interior of Africa and the layout of the Indian Ocean were cartographic voids. King John II, known as the "Perfect Prince," understood that naval power without intelligence was blind. Thus, he revived the medieval plan of contacting Preste João (Prester John)—a mythical Christian king believed to rule a powerful nation in Africa or Asia, who could become an ally against the Muslims controlling the Red Sea and Persian Gulf. He was given lands, a wife, and high office

In 1487, while Bartolomeu Dias prepared to round the Cape of Good Hope, the King launched a simultaneous, secretive overland mission. He chose two men: Afonso de Paiva, a fluent Arabic speaker, and Pêro da Covilhã, a squire with a reputation for languages, loyalty, and an eidetic memory.