René-Robert Cavelier, Sieur de La Salle
|Died||March 19, 1687 (aged 43)|
|Known for||exploring the Great Lakes,|
and the Gulf of Mexico
René-Robert Cavelier, Sieur de La Salle, or Robert de La Salle (November 21, 1643 – March 19, 1687) was a French explorer. He explored the Great Lakes region of the United States and Canada, the Mississippi River, and the Gulf of Mexico. La Salle claimed the entire Mississippi River basin for France. He was attacked by Joseph-Antoine le Fèbvre, sieur de La Barre, as they were rivals.