That would have been an ancient Native American, and as we have no recorded history for these people, we do not know who the first person was.
However, the discovery is credited to Hernando Desoto on May 8th, 1541.
René-Robert Cavelier, Sieur de La Salle was the French explorer that was killed while exploring the mouth of the Mississippi.
hernando cortes
Sieur de La Salle
it was the french explorer Jacques Cartier, On April 20th, 1534.
jacques cartier
A sea explorer is a person who explores the sea. looking for clues under the sea
Mississippi river
What was Bartolomeu Dias looking for ? he was an explorer, so he was looking for all different types of things.
The 7 cities of gold
jacques cartier
The magnolia grandiflora. Hope this is the answer you are looking for.
looking for henery foote
he was looking for south America. the name came from the explorer Amerigo Vespucci
You can get affordable maps of Mississippi from its visitor centers, the rest areas close to the state, and by looking online at sites like the official website of Mississippi state.
Rene Robert de la salle was looking for the Mississippi river.