René-Robert Cavelier, Sieur de La Salle
In North America, major explorers included Henry Hudson (156?–1611), who explored the Hudson Bay in Canada; Samuel de Champlain (1574–1635), who explored St. Lawrence River and the Great Lakes (in Canada and northern United States); and René-Robert Cavelier, Sieur de La Salle (1643–1687), who explored the Great Lakes region of the United States and Canada, and the entire length of the Mississippi River.