The slave ship NS de Belém Monte Alegre departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: NS de Belém Monte Alegre; flag: Portugal / Brazil; rig: Curveta. People recorded in connection with the voyage: Captain: Fróes, Manoel José; Investor: Fróes, Manoel José; Captain: Rocha, José Caetano da. The voyage began at Bahia, place unspecified on 12 February 1791. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded outcome: Arrived in Africa, subsequent fate unknown.