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 Perryville (Indian Territory) named McAlester. Businesses that had stayed in Perryville moved to the area of the station. This marked the end of Perryville. The site is now the location of Chambers, Oklahoma. Battle of Perryville (Indian Territory) The Battle of Perryville was a battle of the American Civil War on August 23, 1863 in what is now Pittsburg County, Oklahoma. Perryville was an important town in the Choctaw Nation, Indian Territory, about half way between Skullyville and Boggy Depot. during the mid 19th Century. It was established as a trading post by James Perry, member of a Choctaw family, about 1838, and