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Diogo Alfonso was a Portuguese navigator of séc. Image File history File links Wiki_letter_w. ...
Together with Antão Gonçalves and Garci'a Man, discovered the region of Arguim. A regal letter of 29th of October, 1462 attributed to it discovered of seven islands of to it Verde Handle. Antão Gonçalves was a 15th century Portuguese explorer and slave trader who was the first European to take Africans as slaves. ... Arguin is an island off the west coast of Mauritania in the Bay of Arguin, at 20° 36 N., 16° 27 W. It is 6 km long by 2 broad. ... Look up October in Wiktionary, the free dictionary. ... Events Settlers from Portugal begin to settle the Cape Verde islands. ...
These were men of daring who were led by the resourceful Afonso de Albuquerque, who was chivalrous, presented himself with dignity and believed in tearing down Mosques and cutting off the noses and ears as a way of punishing his enemies.
King Afonso participated in the slave trade for the sake of revenue, but he was angered by the rapacity of the Portuguese slavers and their taking profits that he believed should be his.
Afonso sent friendly letters to the king of Portugal, Manoel, complaining of the immorality and of the depredations created by Portuguese slave traders from São Tomé - letters that were confiscated in São Tomé.
Although Afonso V was not particularly interested in overseas exploration, more than 2000 miles of unknown coastline were mapped during the middle years of his reign.
Afonso died shortly thereafter and was succeeded by João II in 1481.
João decided that Mina needed to be fortified and sent a fleet commanded by Bartolomeu Dias and João Afonso de Aveiro with the new governor for Mina, D. Diogo de Azambuja, to build a warehouse in the form of a castle and a church.