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 Defense Site and seven on the Little Bighorn Battlefield). The Indian Memorial, themed "Peace Through Unity" l is an open circular structure that stands from the 7th Cavalry obelisk. Its walls have some of the names of Indians who died at the site, as well as native accounts of the battle. The open circle of the structure is symbolic, as for many tribes, the circle is sacred. The "spirit gate" window facing the Cavalry monument is symbolic as well, welcoming the dead cavalrymen into the memorial. Battle of the Little Bighorn The Battle of the Little Bighorn, known to the