The slave ship Seis de Fevereiro arrived with enslaved Africans in Brazil. About 450 people had been taken aboard and approximately 449 arrived.

Vessel: Seis de Fevereiro; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Ribeiro, José de Carvalho; Captain: Cruz, José Joaquim da; Investor: Cruz, José Joaquim da. The voyage began at Rio de Janeiro on 28 February 1821. Principal recorded place where captives were acquired: Ambriz (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 48 days. Recorded outcome: Voyage completed as intended.