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
Little Bighorn River and after the two stream fords, fed by springs, partially freeze over. When not closed by winter weather, this road still requires vehicles with high clearance, preferably with 4X4 gearing. In Wyoming, and particularly in the Little Bighorn Canyon, all the land adjacent to the road and the stream is private, and a sign noting this is posted at the entrance to the canyon. At the furthest point of the road, two miles upstream from the canyon mouth, on the US Forest Service boundary there is a parking area maintained by the Wyoming Game and Fish Department but signage prohibits