- de Soto,Hernando
de So·to (dĭ sōʹtō, dĕ), Hernando or Fernando 1496?-1542.
Spanish explorer who landed in Florida in 1539 with 600 men and set out to search for the fabled riches of the north. For the next three years he explored much of southern North America, discovering and crossing the Mississippi River in 1541.
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