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

Vessel: Diana; flag: Great Britain; rig: Ship; estimated standardized tonnage: 237. People recorded in connection with the voyage: Investor: Hughan; Investor: Miles; Investor: Taylor, Robert; Captain: Vaughan, Richard. The voyage began at London on 25 April 1804. Principal recorded place where captives were acquired: Lagos, Onim (Bight of Benin). Principal recorded disembarkation place: Barbados, place unspecified. Recorded outcome: Voyage completed as intended.