The slave ship Triunfo da União arrived with enslaved Africans in Brazil. About 523 people had been taken aboard and approximately 514 arrived.

Vessel: Triunfo da União; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Ferreira, Miguel Gonçalves; Captain: Miles, Vicente Ferreira. The voyage began at Bahia, place unspecified on 10 May 1809. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 33 days. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.