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In 1862 the Dakota Sioux were known as the Dakota/Dakotah or the Sioux or the Dakota Sioux.
Sioux Falls is in South Dakota
The Sioux were and are located in all areas of North Dakota and South Dakota.
The current Native American tribes in North Dakota are the Turtle Mountain Chippewa, the Standing Rock (Dakota and Lakota) Sioux, the Spirit Lake (Dakota) Sioux, the Hidatsa, the Mandan, and the Arikara. In the past, Native American tribes that lived in North Dakota included the Ojibwa, the Assiniboine, the Chippewa, the Hidatsa, the Mandan, and the Dakota, Lakota, and Nakota Sioux.
North Dakota is known as the "Sioux State" to recognize the Sioux or Dakota tribes of North Dakota. North Dakota's official state nickname is "The Peace Garden State".
The village of Sioux Falls, South Dakota was incorporated in 1856 by the 12th legislative assembly of the Dakota Territory. Sioux Falls was granted a city charter by the Dakota Territorial legislature on March 3, 1883.
Sioux Falls Hospital opened in 1894 in Sioux Falls, South Dakota. The Sioux Valley Association was organized in 1894 and built the Sioux Valley Hospital in 1930.
in the Dakota territory
The University of Sioux Falls is located in the state of South Dakota.
"Sioux State" is not a nick name for the US state of North Dakota. "Peace Garden State" is the official nickname of North Dakota as adopted by the state legislature in 1957. Other, unofficial, nicknames for North Dakota are "The Flickertail State" and "The Roughrider State".
South Dakota
Siux Falls, Rapid City, and Aberdeen are all located in the US state of South Dakota.