When did Hernando de soto explore southeastern US?
He started out to the new world in 1514, he then explored Florida which is part of the southern US.
In 1541 who crossed the Mississippi River as part of a three year exploration of the present-day southeastern US?
Hernando De Soto (1496-1542) was a Spanish explorer, a conquistador who gained riches as part of Pizarro's conquest of the Incas of Peru in 1533. He was rewarded with the governorship of Cuba and a royal charter to colonize North America. His expedition traveled to Florida from Cuba in 1539, and explored much of the Gulf Coast and what is now the southeastern US, from the Carolinas west into Texas. He died in southern Arkansas…