In 1749, a Suplican priest, Abbé Picquet, built a mission fort named Fort de La Présentation, or Fort Oswegatchie, near the junction of the Oswegatchie River and the St Lawrence River.

Fort Oswegatchie

In 1749, a Suplican priest, AbbĂ© Picquet, built a mission fort named Fort de La PrĂ©sentation, or Fort…