The discovery of the Mississippi? Never. He died on the expedition and his crewmates stuffed his body in a dead log and floated it downriver.
1539
1534 to 1543
February 18, 1519
It says online his exact birth date was unknown. He was born around 1500.
Sometime in 1540, actual date unknown.
He was either 45 or 46. No one is absolutely sure of his date of birth, which is given as either 1496 or 1497.
Hernando De Soto died on May 21, 1542 near the Mississippi River around Memphis. He was born either in 1496 or 1497. It is impossible to be more precise than this, as all records of his birth have been lost.
On May 21, 1542 from a fever while exploring present-day Louisiana
It is impossible to give you a precise date, as all records of his birth have been lost. Nor can we give you a precise year, the nearest estimate/guess is 1496 or 97.
Hernando Cortes died in 1547.
The date of exploration is 1541.
The discovery and date of aluminum