The slave ship Duque de Bragança arrived with enslaved Africans in Brazil. About 508 people had been taken aboard and approximately 270 arrived.

Vessel: Duque de Bragança; flag: Portugal / Brazil; rig: Galera. People recorded in connection with the voyage: Captain: Gomes, Manoel José. The voyage began at Rio de Janeiro on 4 June 1820. Principal recorded place where captives were acquired: Mozambique (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 82 days. Estimated mortality during the crossing: 47.0%. Recorded outcome: Voyage completed as intended.