The slave ship Mercúrio arrived with enslaved Africans in Brazil. About 502 people had been taken aboard and approximately 490 arrived.

Vessel: Mercúrio; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Rego, Lourenço Antonio do; Captain: Ferreira, José Nicolau; Captain: Paiva, João Martins de. The voyage began at Rio de Janeiro on 25 June 1822. Principal recorded place where captives were acquired: Benguela (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 41 days. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.