Tongue River Massacre (1820)

Tongue River Indian massacre
Date1820
Location
Tongue River in either Wyoming or Montana
Result Cheyenne and Lakota victory
Belligerents
Cheyenne and Oglala Lakota Crow Nation
Commanders and leaders
Unknown Unknown
Strength
The whole Cheyenne tribe, a camp of Lakotas 100 tipis in camp
Casualties and losses
Most likely very few, if any All the men killed. An unknown number of women and/or children already taken captive killed

The Tongue River massacre was an attack by Cheyenne and Lakota on a camp of Crow people in 1820. According to some accounts, it was one of the most significant losses of the Crow tribe.[1]: p. 190 

  1. ^ Cite error: The named reference Plenty was invoked but never defined (see the help page).