The Battle of the Little Big Horn was a victory for the Native American tribes. The battle was fought on June 25-26, 1876, between the United States Army and a coalition of Lakota Sioux, Northern Cheyenne, and Arapaho tribes. The battle was a decisive victory for the Native Americans, who inflicted heavy casualties on the U.S. Army and forced them to retreat. The victory was a major turning point in the Indian Wars, and it led to the U.S. government's decision to pursue a policy of assimilation and forced removal of Native Americans from their traditional lands.