The slave ship Constante arrived with enslaved Africans in Brazil. About 572 people had been taken aboard and approximately 517 arrived.

Vessel: Constante; flag: Portugal / Brazil; rig: Barqua; estimated standardized tonnage: 153. People recorded in connection with the voyage: Captain: Guimarães, F M. The voyage began at Southeast Brazil, port unspecified. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 34 days. Recorded outcome: Voyage completed as intended.