How Sioux Falls came to be
From Wikipedia’s history of Sioux Falls.
Sioux Falls's history revolves around the cascades of the Big Sioux River. The falls were created about 14,000 years ago during the last ice age. The lure of the falls has been a powerful influence. Ho-Chunk, Ioway, Otoe, Missouria, Omaha (and Ponca at the time), Quapaw, Kansa, Osage, Arikara, Sioux, and Cheyenne people first inhabited the region. Numerous burial mounds remain on the high bluffs near the river and are spread throughout the vicinity. Indigenous people maintained an agricultural society with fortified villages, and later arrivals rebuilt on many of the sites that were previously settled. Lakota still populate urban and reservation communities in the state and many Lakota, Dakota, and numerous other Indigenous Americans reside in Sioux Falls.
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