La Salle was the first Frenchmen to reach the mouth of the great river, the Mississippi. After four years of exploration, Ren-Robert Cavelier de la Salle became the first Frenchman to reach the ...
April 9: French explorer Robert Cavelier, Sieur de La Salle, and a small party arrive at the mouth of the Mississippi River. La Salle claims the region and names it Louisiana in honor of King ...