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 :)
la salle
La Salle
Marquette
Marquette
Marco polo
Marquette and Joliet explored the upper Mississippi River for France. Previously, La Salle claimed the Mississippi River Valley for France.
In 1682 Sieur de La Salle explored the Mississippi River and declared that the Mississippi Valley belonged to 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
explored Mississippi river and was an explorer
There have been about 15 billion who haven't explored the Mississippi.
they explored the Mississippi river in the year 1670.