The slave ship Diana departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Jamaica.

Vessel: Diana; flag: Great Britain; rig: Ship; estimated standardized tonnage: 275. People recorded in connection with the voyage: Investor: Benson, Moses; Captain: Brancker, P; Investor: Brancker, P; Captain: Ainsworth, John; Investor: Ainsworth, John. The voyage began at Liverpool on 17 July 1799. Principal recorded place where captives were acquired: Bonny (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Kingston. Recorded outcome: Voyage completed as intended.