The slave ship Diligence left the African coast carrying enslaved Africans toward Barbados. About 178 people had been taken aboard.

Vessel: Diligence; flag: Great Britain; rig: Sloop; estimated standardized tonnage: 55. People recorded in connection with the voyage: Investor: Beatson, William; Investor: Beatson, John; Investor: Smyth, George; Captain: Downs, Michael; Captain: Smith. The voyage began at London on 28 March 1799. Principal recorded place where captives were acquired: Sierra Leone estuary. Principal recorded disembarkation place: Barbados, place unspecified. Recorded outcome: Sold in the Americas after disembarking enslaved people.