History of Montana degree of longitude northward to the boundary line of the British possessions. The boundaries of Montana territory did not change during its existence. Montana was admitted to the Union as the state of Montana on November 8, 1889. The Battle of the Little Bighorn—also called Custer's Last Stand and the Battle of the Greasy Grass—was an armed engagement between a Lakota (Sioux)-Northern Cheyenne-Arapaho combined force and the 7th Cavalry of the United States Army. It occurred June 25–June 26, 1876, near the Little Bighorn River in eastern Montana Territory near present-day Hardin, Montana, on land that today is part of
Battle of the Little Bighorn such claims. Theodore Goldin, a battle participant who later became a controversial historian on the event, wrote (in regards to Charles Hayward's claim to have been with Custer and taken prisoner): The only documented and verified survivor of Custer's command (having been actually involved in Custer's part of the battle) was Captain Keogh's horse, Comanche. The wounded horse was discovered on the battlefield by General Terry's troops, and although other cavalry mounts survived they had been taken by the Indians. Comanche eventually was returned to the fort and became the regimental mascot. Several other badly wounded horses were found and