Sand Creek Massacre

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Sand Creek Massacre: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

Colorado city works to learn from deadliest day in state history, the Sand Creek Massacre of 1864 • Apr. 1, 2025, 6:13 AM ET (CBS)

Boulder works to honor deadliest day in state history • Mar. 27, 2025, 5:36 AM ET (CBS)

Facts

Also Known As	Chivington Massacre
Date	November 29, 1864
Location	Colorado • United States
Participants	Arapaho • Cheyenne • United States
Context	Plains Wars

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Site of the Sand Creek Massacre

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Topics

Colorado westward movement

Timeline

Site of the Sand Creek Massacre

Sand Creek Massacre

November 29, 1864

Red River Indian War

1874 - 1875

Battle of the Little Bighorn

Battle of the Little Bighorn

June 25, 1876