The search for Gold and Silver attracted De Soto to the Mississippi river.
He was a Spanish conquistador and was one of the Explorers to get to this river. While on this conquest, he attacked and killed lots of American natives. Luck ran out on him when the Americans decided to fight back.
The attack from the Native Americans made him to flee with his army to continue his search for riches in the Northwest. While on the journey in 1541, they came across the river and crossed it.
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