When did Hernando de Soto go through Alabama?

Hernando de Soto traveled through Alabama during his expedition in the southeastern United States from 1539 to 1542. He entered present-day Alabama in 1540, exploring the region as part of his quest for gold and other riches. De Soto's journey included interactions with various Native American tribes and significant encounters in the area. His expedition ultimately ended in 1542 when he died near the Mississippi River.