Historical Events
- Fetterman Massacre: Lakota, Cheyenne, and Arapaho Indians kill all 81 US Army soldiers, the worst military disaster suffered by the U.S. Army on the Great Plains at the time
1866 Highlights
About December 21, 1866
Calendar: Gregorian
Day of the Week: Friday
How Long Ago? 157 years, 7 months and 12 days
Leap Year: No
Star Sign: Sagittarius