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 total US casualty count included 268 dead and 55 severely wounded (six died later from their wounds), including four Crow Indian scouts and at least two Arikara Indian scouts. Public response to the Great Sioux War varied in the immediate aftermath of the battle. Custer's widow (Libbie Custer) soon worked to burnish her husband's memory, and during the following decades Custer and his troops came to be considered iconic, even heroic, figures in American history. The battle, and Custer's actions in particular, have been studied extensively by historians. Little Bighorn Battlefield National Monument honors those who fought on both sides.