The slave ship Dezenove de Março arrived with enslaved Africans in Brazil. About 638 people had been taken aboard and approximately 541 arrived.

Vessel: Dezenove de Março; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Investor: Almeida, João Rodrigues Pereira de; Captain: Falcão, José Moreira. The voyage began at Rio de Janeiro. Principal recorded place where captives were acquired: Lourenço Marques (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 68 days. Estimated mortality during the crossing: 15.0%. Recorded outcome: Voyage completed as intended.