Concept

Sand Creek Massacre

November 29, 1864

## When November 29, 1864 ## What Attack by Colorado Territory militia on a Cheyenne and Arapaho village, resulting in the deaths of over 150 Native Americans. ## Where Sand Creek, Colorado Territory ## Why Tensions over land and broken treaties ## Who Colorado militia, Cheyenne and Arapaho ## How Surprise dawn attack; widespread outrage and Congressional investigation followed.