The slave ship NS da Graça e S João Nepomuceno departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: NS da Graça e S João Nepomuceno; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Livramento, Manoel da Graça do; Investor: Livramento, Manoel da Graça do. The voyage began at Bahia, place unspecified on 8 July 1778. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded outcome: Arrived in Africa, subsequent fate unknown.