The slave ship General Silveira arrived with enslaved Africans in Brazil. About 405 people had been taken aboard and approximately 391 arrived.

Vessel: General Silveira; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Figueiredo, João Macário da Silva; Investor: Vieira, José Inácio Vaz; Captain: Serra, Vicente Nunes da. The voyage began at Rio de Janeiro on 28 November 1817. 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: 26 days. Estimated mortality during the crossing: 3.0%. Recorded outcome: Voyage completed as intended.