The slave ship Ariadne arrived with enslaved Africans in Uruguay. About 20 people had been taken aboard and approximately 18 arrived.

Vessel: Ariadne; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 132. People recorded in connection with the voyage: Captain: Penny, James; Investor: Penny, James; Captain: McBride, William. The voyage began at Liverpool on 28 July 1803. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Montevideo. Recorded outcome: Captured by the French - after embarkation of enslaved people.