Custer was commander of U.S. Seventh Cavalry, who were defeated in Battle of Little Big Horn. The Lakota call Custer Pahuska, which is the Lakota word for “Long Hair.” In the summer of 1874, Custer led an expedition into the Black Hills which resulted in the discovery of gold, which led to an influx of illegal Wasichu mining activity in an area that had been allotted to the Sioux in the Fort Laramie Treaty in 1868.