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 top the Bighorn Mountains. In Wyoming, at the end of the two mile stretch of road from the mouth of the canyon Bighorn National Forest Service lands extend up to and over the top of the Bighorn Mountains. In the Little Bighorn watershed there are cougars, black bears, deer, elk, wild turkeys and other birds and small mammals, all of which are common to the Bighorn Mountains. An occasional moose has been sighted. The floor and sides of the Little Bighorn canyon is notorious for rattlesnakes. Herpetologists from the Bighorn National Forest state that the east facing canyons of the