1890: Wounded Knee massacre; Pine Ridge Indian Reservation, South Dakota: On December 29, soldiers of the US Army 7th Cavalry killed 178 Lakota Sioux following an incident over a disarmament-inspection at a Lakota Sioux encampment near Wounded Knee Creek. 89 other Amerinds were injured, 150 were reported missing; Army casualties were 25 killed, 39 wounded.