The slave ship Desunião arrived with enslaved Africans in Brazil. About 273 people had been taken aboard and approximately 250 arrived.

Vessel: Desunião; flag: Portugal / Brazil; rig: Curveta. People recorded in connection with the voyage: Investor: Guimarães, José Antônio da Costa; Captain: Lemos, Domingos da Fonseca. The voyage began at Rio de Janeiro. 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: 37 days. Recorded outcome: Voyage completed as intended.