The slave ship Union left the African coast carrying enslaved Africans toward Haiti. About 230 people had been taken aboard.

Vessel: Union; flag: France; estimated standardized tonnage: 128.3. People recorded in connection with the voyage: Investor: Braudan; Captain: Baugin, Louis; Captain: Le Beau; Captain: Chevert. The voyage began at Nantes on 20 February 1764. Principal recorded place where captives were acquired: Africa, port unspecified (Other Africa). Principal recorded disembarkation place: Léogane. Recorded duration of the captives' Atlantic crossing: 30 days. Estimated mortality during the crossing: 13.0%. Recorded outcome: Voyage completed as intended.