The
Battle of the Little Bighorn, known to
Lakota as the
Battle of the Greasy Grass, and commonly referred to as
Custer's Last Stand, was an armed engagement between combined forces of the Lakota,
Northern Cheyenne, and
Arapaho tribes, against the
7th Cavalry Regiment of the
United States Army. The battle, which occurred June 25–26, 1876, near the
Little Bighorn River in eastern
Montana Territory, was the most prominent action of the
Great Sioux War of 1876.