Massacres & mob attacks
Sand Creek Massacre
29 November 1864Sand Creek, Big Sandy Creek valley, CO
Colorado volunteer cavalry attacked a Cheyenne and Arapaho village flying a United States flag, killing some 230 people, most of them women, children and elders.
- People killed
- 230
The shape on the map is a reconstruction drawn from historical descriptions, not a surveyed boundary. Follow the sources for authoritative maps.