Battle of the Little Bighorn

Custer's Last Stand, battle between white American settlers led by Gen. Custer and the Sioux Indians on the 25th of June 1876 (resulted in a massacre of Custer's troops)

The Battle of the Little Bighorn — also known as Custer's Last Stand and Custer Massacre and, in the parlance of the relevant Native Americans, the Battle of the Greasy Grass — was an armed engagement between a  Lakota-Northern Cheyenne combined force and the 7th Cavalry of the United States Army. It occurred June 25–June 26, 1876, near the Little Bighorn River in the eastern Montana Territory.
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Noun
1. a battle in Montana near the Little Bighorn River between United States cavalry under Custer and several groups of Native Americans (1876); Custer was pursuing Sioux led by Sitting Bull; Custer underestimated the size of the Sioux forces (which were supported by Cheyenne warriors) and was killed along with all his command
(synonym) Little Bighorn, Battle of Little Bighorn, Custer's Last Stand
(hypernym) slaughter, massacre, mass murder, carnage, butchery
(classification) Montana, Treasure State, MT