Marquette
Marquette
France
La Salle
France
Marco polo
la salle
Robert La Salle, if u want to remember who explored it, you can use this tip: Salle (Robert's last name) sounds like sally (in a way) so u can say, Sally went to the Valley, and you'll remember it :)
Louis xlv of France
A french explorer who explored the mississippi river valley. He claimed the land for his king.
Ponce De Leon did not explore the Mississippi river valley
Louis xlv of France
In 1682 Sieur de La Salle explored the Mississippi River and declared that the Mississippi Valley belonged to France.