The slave ship Ulisses arrived with enslaved Africans in Brazil. About 631 people had been taken aboard and approximately 418 arrived.

Vessel: Ulisses; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Barroso, João Gomes; Captain: Viana, Pedro José Correa. The voyage began at Rio de Janeiro on 14 June 1821. 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: 59 days. Estimated mortality during the crossing: 34.0%. Recorded outcome: Voyage completed as intended.