Fort Custer (Montana) Fort Custer (Montana) Fort Custer was established during the Indian wars in the Department of Dakota by the U.S. Army to subjugate the Sioux, Cheyenne and Crow Indians near present-day Hardin, Montana. The post was named for General George Armstrong Custer who died at the Battle of the Little Big Horn. In April and May, 1877, three companies (C, F and G) were moved from Cheyenne Agency, and three companies ( A, B and H) from Fort Yates in the Standing Rock Agency to the Little Big Horn, Montana, under the command of Lieut.-Colonel G. P. Buell, 11th Infantry, where
George Armstrong Custer of the Potomac reorganized under the command of Major General Philip Sheridan, Custer (now commanding the 3rd Division) led his "Wolverines" to the Shenandoah Valley where by the year's end they defeated the army of Confederate Lieutenant General Jubal Early in the Valley Campaigns of 1864. During May and June, Sheridan and Custer (Captain, 5th Cavalry, May 8 and Brevet Lieutenant Colonel, May 11) took part in cavalry actions supporting the Overland Campaign, including the Battle of the Wilderness (after which Custer ascended to division command), and the Battle of Yellow Tavern (where J.E.B. Stuart was mortally wounded). In the