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 Territory: "…a horse or a mule for a repeater…buffalo hides for ammunition." Custer's highly regarded guide, "Lonesome" Charley Reynolds, informed his superior in early 1876 that Sitting Bull's forces were amassing weapons, including numerous Winchester repeating rifles and abundant ammunition. Of the guns owned by Lakota and Cheyenne fighters at the Little Bighorn, approximately 200 were repeating rifles corresponding to about 1 of 10 of the encampment's two thousand able-bodied fighters who participated in the battle The troops under Custer's command carried two regulation firearms authorized and issued by the U.S. Army in early 1876: the breech-loading, single-shot Springfield Model