The slave ship Triunfo do Rio arrived with enslaved Africans in Brazil. About 522 people had been taken aboard and approximately 495 arrived.

Vessel: Triunfo do Rio; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Investor: Tavares, João Inácio; Captain: Jaques, Malaquias Lisandro. The voyage began at Southeast Brazil, port unspecified. 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: 49 days. Estimated mortality during the crossing: 5.0%. Recorded outcome: Voyage completed as intended.