Cunha, Tristão da

Cunha, Tristão da

(trēshtouN` dä ko͞o`nyə), c.1460–1514?, Portuguese navigator. His most important voyage was undertaken in 1506, when he set out with 15 ships for India. He discovered three volcanic islands in the S Atlantic, one of which is named for him. After taking Socotra off Arabia, in the hope of establishing control over the Red Sea, he went on to India, while Afonso de AlbuquerqueAlbuquerque, Afonso de
, 1453–1515, Portuguese admiral, the effective founder of the Portuguese Empire in the East. He first went to India in 1503, and in 1506 he set out for India again, to assume command from Francisco de Almeida in command.
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, under secret royal orders, detached part of the fleet. On his return to Portugal, Tristão da Cunha carried out a diplomatic mission at the papal court. A son, Nuno da Cunha, 1487–1539, was governor of India and captured Basra in 1529.