The slave ship Dois Corações Unidos departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: Dois Corações Unidos; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Silva, José Joaquim da; Investor: Silva, José Joaquim da. The voyage began at Bahia, place unspecified on 4 July 1806. Principal recorded place where captives were acquired: São Tomé or Princes Island (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Bahia, place unspecified. Recorded outcome: Left home port, no further record.