The slave ship Triunfo da União left the African coast carrying enslaved Africans toward Brazil. About 504 people had been taken aboard.

Vessel: Triunfo da União; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Chaves, Domingos Pires dos Santos; Captain: Franco, Luís Pereira; Investor: Franco, Luís Pereira. The voyage began at Bahia, place unspecified on 25 February 1812. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 28 days. Estimated mortality during the crossing: 3.0%. Recorded outcome: Voyage completed as intended.