Spotted Tail (born Sinte Gleska) (c. 1833-c. 181)

American Indian Brûlé Sioux leader. A signatory of the Fort Laramie Treaty of 1868 - in which the US government accepted the territorial claims of the Sioux in exchange for peace - he travelled often to Washington, DC, as the government-appointed chief of the agency Sioux.

He was born along the White River in present-day South Dakota or near present-day Laramie, Wyoming.