Sand Creek Massacre and the Colorado War (1864–1865)

1. Fort Laramie Treaty defines Cheyenne–Arapaho territory

   Sep 17, 1851Labels: Fort Laramie, Cheyenne, Arapaho

   • Britannica
   • Time

2. Camp Weld Council holds peace talks in Denver

   Sep 28, 1864Labels: Camp Weld, Denver, Cheyenne leaders

   • Weld Transcript
   • Fort Weld

3. Wynkoop leaves Fort Lyon; Anthony takes command

   Nov 26, 1864Labels: Fort Lyon, Edward Wynkoop, Scott Anthony

   • NPS Wynkoop
   • NPS Sand Creek

4. Chivington attacks Cheyenne and Arapaho camp at Sand Creek

   Nov 29, 1864Labels: John Chivington, Sand Creek, Cheyenne

   • Britannica
   • NPS Massacre
   • Battlefields

5. Survivors spark wider raids and fighting across the Plains

   Dec 1, 1864Labels: Cheyenne, Arapaho, Plains raids

   • Britannica

6. Battle of Julesburg delivers major raid victory

   Jan 7, 1865Labels: Battle of, Lakota, South Platte

   • Julesburg
   • Britannica

7. Federal inquiry records Silas Soule’s eyewitness testimony

   Feb 16, 1865Labels: Silas Soule, Federal inquiry

   • Soule Testimony
   • OU Serial Set

8. Senate report condemns the Sand Creek killings

   Feb 20, 1865Labels: U S, Joint Committee

   • OU Serial Set
   • Senate History

9. Silas Soule is assassinated in Denver

   Apr 23, 1865Labels: Silas Soule, Denver

   • Denver Library
   • Soule Testimony

10. Treaty on the Little Arkansas acknowledges U.S. responsibility

    Oct 14, 1865Labels: Treaty of, Cheyenne, Arapaho

    • OSU Treaties
    • Smithsonian

11. Congress authorizes Sand Creek Massacre National Historic Site

    Nov 7, 2000Labels: Congress, Sand Creek

    • NPS Places
    • DOI Release

12. Sand Creek Massacre National Historic Site opens to the public

    Apr 27, 2007Labels: Sand Creek, Cheyenne descendants

    • NPS Places
    • DOI Release