The slave ship S João Americano arrived with enslaved Africans in Brazil. About 578 people had been taken aboard and approximately 547 arrived.

Vessel: S João Americano; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Silva, Antônio José da. The voyage began at Rio de Janeiro on 18 December 1810. 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: 43 days. Estimated mortality during the crossing: 5.0%. Recorded outcome: Voyage completed as intended.