Thomas Mower McDougall subsequently he was appointed Captain, 15 Dec 1875. In 1876 Captain McDougall commanded Company B and accompanied the 7th Cavalry Regiment, under command of Lt. Col. George A. Custer in its fateful departure from Fort Abraham Lincoln to participate in what became known as the Great Sioux War of 1876, which culminated in the Battle of the Little Bighorn, also known as Custer's Last Stand which occurred on June 25–26, 1876. On May 17, 1876, the 7th Cavalry left their base at Fort Abraham Lincoln near present day Mandan, North Dakota to join in a campaign against the Sioux Indians.
Battle of Slim Buttes Buffalo Bill displayed the fallen warrior's scalp, feather war bonnet, knife, saddle and other personal effects. However, scalping Indians become loathsome to Buffalo Bill. The Slim Buttes battle site is on private land. A nearby monument commemorates the fighting. Sioux U.S. Army Battle of Slim Buttes The Battle of Slim Buttes was fought on September 9 and 10, 1876, in the Great Sioux Reservation in the Dakota Territory, between the United States Army and the Sioux. The Battle of Slim Buttes was the first U.S. Army victory of the Great Sioux War of 1876 after George Armstrong Custer's defeat at