The slave ship NS do Rosario S Antônio e Almas began acquiring enslaved Africans for transportation to Brazil.

Vessel: NS do Rosario S Antônio e Almas; flag: Portugal / Brazil; rig: Curveta. People recorded in connection with the voyage: Captain: Costa, Inocêncio José da; Investor: Costa, Inocêncio José da; Captain: Vale, Francisco da Costa. The voyage began at Bahia, place unspecified on 15 July 1791. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 45 days. Estimated mortality during the crossing: 9.0%. Recorded outcome: Voyage completed as intended.