The slave ship S Francisco de Assis departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: S Francisco de Assis; flag: Portugal / Brazil; rig: Schooner; estimated standardized tonnage: 73. People recorded in connection with the voyage: Investor: Alves, João Esteves; Captain: Ribeiro, Antônio Justiniano; Captain: Abreu, João Gregório de. The voyage began at Lisbon on 13 July 1820. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Pernambuco, place unspecified. Recorded outcome: Voyage completed as intended.