The slave ship Conde dos Arcos arrived with enslaved Africans in Brazil. About 402 people had been taken aboard and approximately 345 arrived.

Vessel: Conde dos Arcos; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Porto, Antônio Alves da Silva; Investor: Porto, Antônio Alves da Silva; Captain: Pederneira, Manoel Pereira. The voyage began at Rio de Janeiro on 12 July 1822. Principal recorded place where captives were acquired: Quilimane (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 63 days. Estimated mortality during the crossing: 14.0%. Recorded outcome: Voyage completed as intended.