The slave ship D João de Castro began acquiring enslaved Africans for transportation to Brazil.

Vessel: D João de Castro; flag: Portugal / Brazil; rig: Brig; estimated standardized tonnage: 294. People recorded in connection with the voyage: Captain: Serpa, Vicente de Freitas. The voyage began at Rio de Janeiro on 1839. Principal recorded place where captives were acquired: Mozambique (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Ilha de Marambaia. Recorded outcome: Court of Mixed Commission, Rio de Janeiro, condemned.