The slave ship Patrocínio arrived with enslaved Africans in Brazil. About 554 people had been taken aboard and approximately 194 arrived.

Vessel: Patrocínio; flag: Portugal / Brazil; rig: Schooner. People recorded in connection with the voyage: Investor: Carvalho, Manoel Gonçalves de; Captain: SIlva, Manoel Francisco da. The voyage began at Rio de Janeiro on 28 June 1820. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 84 days. Estimated mortality during the crossing: 65.0%. Recorded outcome: Voyage completed as intended.