The slave ship Britannia departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Puerto Rico.

Vessel: Britannia; flag: Great Britain; rig: Ship; estimated standardized tonnage: 343.1. People recorded in connection with the voyage: Captain: Wilkinson, John. The voyage began at London on 11 August 1766. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Puerto Rico, port unspecified. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.