Treaty of Fort Laramie (Horse Creek) signedSep 17, 1851Labels: Fort Laramie, Plains NationsNPSWikipedia
Sand Creek Massacre intensifies Plains conflictNov 29, 1864Labels: Sand Creek, Colorado VolunteersBritannica
Fetterman Fight: decisive Lakota-led ambushDec 21, 1866Labels: Fetterman Fight, Red CloudWikipediaWikipedia
Treaty of Fort Laramie (1868) signedApr 29, 1868Labels: Fort Laramie, Great SiouxNational ArchivesNPS
Army abandons Powder River forts; Bozeman Trail closedAug 1, 1868Labels: Powder River, Bozeman TrailWikipedia
Little Bighorn: major Lakota–Cheyenne victoryJun 25, 1876Labels: Little Bighorn, George CusterBritannicaWikipedia
Manypenny Agreement takes the Black HillsFeb 28, 1877Labels: Manypenny Agreement, U SWikipediaNational Archives
Sitting Bull surrenders at Fort BufordJul 19, 1881Labels: Sitting Bull, Fort BufordWikipediaND History
Wounded Knee Massacre ends major armed resistanceDec 29, 1890Labels: Wounded Knee, 7th CavalryBritannicaHISTORY