The slave ship Conceição Aliança departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: Conceição Aliança; flag: Portugal / Brazil; rig: Bergantim; estimated standardized tonnage: 184. People recorded in connection with the voyage: Investor: Ortigueira, João Leite Pitar; Investor: Ferreira, Basilio Gonçalves; Captain: Palmeira, Joaquim Epifânio Lopes. The voyage began at Pernambuco, place unspecified on 12 August 1819. Principal recorded place where captives were acquired: Mozambique (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Maranhão. Estimated mortality during the crossing: 23.0%.