Custer, Wisconsin Custer, Wisconsin Custer is an unincorporated community located in the town of Stockton, in Portage County, Wisconsin, United States. The origin of the communities name is not confirmed but general consensus is it was named after Lt. Col. George Armstrong Custer, who was defeated during the battle of the Little Big Horn in 1876. The Custer post office was established in December, 1876 just six months after the battle of Little Big Horn. The community was originally called "Dawson". The only evidence to where this name came from was an August 8, 1854 land deed marking the sale of a
Great Sioux War of 1876 Ash Creek. Miles' continuous campaigning pushed a number of the Northern Cheyenne and Lakota to either surrender or slip across the border into Canada. Miles later commanded the US Army during the Spanish–American War. The Agreement of 1877 (, enacted February 28, 1877) officially took away Sioux land and permanently established Indian reservations. While military leaders began planning a spring campaign against the Lakota and Northern Cheyenne who had refused to come in, a number of diplomatic efforts were underway in an effort to end the war. After the defeat at the Battle of the Little Bighorn in June 1876,