The slave ship Roy Nègre began acquiring enslaved Africans for transportation to Haiti.

Vessel: Roy Nègre; flag: France; estimated standardized tonnage: 272.3. People recorded in connection with the voyage: Investor: Deridelière Le Roux; Captain: Cazal, Mathurin. The voyage began at Nantes on 19 April 1771. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Cap Français. Recorded duration of the captives' Atlantic crossing: 186 days. Estimated mortality during the crossing: 27.0%. Recorded outcome: Voyage completed as intended.