The French.
Louis Jolliet
French explorers who led the first French expedition down the Mississippi River.
Jacques MARQUETTE and Louis JOLLIET
Marquette and Joliet explored the upper Mississippi River for France. Previously, La Salle claimed the Mississippi River Valley for France.
French-Canadian explorers Louis Jolliet and Jacques Marquette explored the Mississippi River from the Wisconsin River to the Arkansas River in 1673.
Louis Joiliet , a fur trader and Jacques Marquette a priest
Pierre Le Moyne explored the Mississippi river at July 9, 1708that was Marquette and Joliet.
Louis Jolliet, along with Jacques Marquette, explored the Mississippi River in 1673. They found that the river flowed into the Gulf of Mexico, and they also established that the Mississippi River basin was not the Northwest Passage they had been searching for.
The Mississippi River's upper reaches were sighted by French-Canadian explorer Louis Jolliet and French Jesuit missionary Jacques Marquette. They traveled downriver by canoe to a point near the mouth of the Arkansas River.
1556
Jacques Marquette found the Mississippi River ,Arkansas River and the Chicago River .
French Jesuit Jacques Marquette explored the Mississippi River in 1673.