The slave ship Relâmpago left the African coast carrying enslaved Africans toward Brazil. About 490 people had been taken aboard.

Vessel: Relâmpago; flag: Portugal / Brazil; rig: Brig; estimated standardized tonnage: 157. People recorded in connection with the voyage: Captain: Santos, Manoel dos; Investor: Santos, Manoel dos; Captain: Amaral, Laurentino Cândido do. The voyage began at Rio de Janeiro on 16 June 1845. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Rio de Janeiro. Recorded outcome: Arrived in Africa, subsequent fate unknown.