The slave ship S João Batista e Proteção began acquiring enslaved Africans for transportation to Brazil.

Vessel: S João Batista e Proteção; rig: Bergantim. People recorded in connection with the voyage: Captain: Viana, José Fernandes da Cunha; Investor: Viana, José Fernandes da Cunha. The voyage began at Lisbon on 30 March 1788. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Bahia, place unspecified. Recorded outcome: Arrived in Africa, subsequent fate unknown.