The slave ship Windsor Castle departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Suriname.

Vessel: Windsor Castle; flag: Great Britain; rig: Ship; estimated standardized tonnage: 316. People recorded in connection with the voyage: Investor: Case, George; Investor: Gregson, John; Investor: Aspinall, John B; Investor: Gregson, James; Captain: Apsinall, James; Investor: Apsinall, James; Captain: Jones, Thomas. The voyage began at Liverpool on 7 May 1800. Principal recorded place where captives were acquired: Calabar (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Suriname, place unspecified. Recorded outcome: Voyage completed as intended.