The slave ship Mariana Dáfne began acquiring enslaved Africans for transportation to Brazil.

Vessel: Mariana Dáfne; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Machado, Justino Pedro. The voyage began at Rio de Janeiro on 24 December 1809. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Estimated mortality during the crossing: 23.0%. Recorded outcome: Voyage completed as intended.