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on 6/10/16
The Sand Creek massacre (also known as the Chivington massacre, the Battle of Sand Creek or the massacre of Cheyenne Indians) was a massacre in the American Indian Wars that occurred on November 29, 1864, when a 675-man force of Colorado U.S. Volunteer Cavalry[3] attacked and destroyed a village of Cheyenne and Arapaho in southeastern Colorado Territory,[4] killing and mutilating an estimated 70–163 Native Americans, about two-thirds of whom were women and children. The location has been designated the Sand Creek Massacre National Historic Site and is administered by the National Park Service.