The slave ship S João Americano arrived with enslaved Africans in Brazil. About 620 people had been taken aboard and approximately 562 arrived.

Vessel: S João Americano; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Teodoro, Teotônio José; Investor: Lopes, Elias Antônio. The voyage began at Rio de Janeiro on 22 July 1815. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 45 days. Recorded outcome: Voyage completed as intended.