The slave ship Mercury began acquiring enslaved Africans for transportation to Saint Vincent and the Grenadines.

Vessel: Mercury; flag: Great Britain; rig: Ship; estimated standardized tonnage: 236. People recorded in connection with the voyage: Investor: Collow, William; Captain: Bell, John. The voyage began at London on 9 November 1791. Principal recorded place where captives were acquired: Gold Coast, port unspecified. Principal recorded disembarkation place: St Vincent, port unspecified. Recorded outcome: Returned direct to Africa after bringing enslaved people to the Americas.