Thomas Custer in the Yellowstone Expedition of 1873, where he fought in the Battle of Honsinger Bluff, and the Black Hills Expedition of 1874. Custer was appointed captain in 1875 and given command of Company C of the 7th Cavalry. In 1874, at the trading post at Standing Rock Agency, Custer participated in the arrest of chief Rain-in-the-Face (Lakota), suspected in the 1873 murder of Dr. John Honsinger. During the 1876 Little Bighorn campaign of the Black Hills War, he served as aide-de-camp to his older brother Lt. Col. George A. Custer and died with his brother on June 25, 1876. Lt.
Little Bighorn River battle by the History Channel. The alternative name usage in the 1800s by the Sioux, Cheyenne and Crow of "Greasy Grass" for the "Little Bighorn" is reflected in current day nomenclature at the Little Bighorn battlefield. A prominent ridge on the Little Bighorn Battlefield that overlooks the eastern banks of the Little Bighorn River has retained the name of Greasy Grass Ridge, and is the site of critical events of the battle. In Lakota, the Little Bighorn River is called . Upstream from the point where the Little Bighorn issues from the Little Horn Canyon canyon, the stream flow is