Robert de la Salle (1643-1687) was a French explorer who claimed land in the Mississippi Valley for King Louis XIV in the late seventeenth century. He named the Mississippi basin “Louisiana” in honor of his king.

Robert de la Salle (1643-1687) was a French explorer who claimed land in the Mississippi Valley for King Louis XIV in the late seventeenth century. He named the Mississippi basin “Louisiana” in honor of his king.