Some bands of Lakotas became the first Indians to help the United States Army in an Indian war west of the Missouri during the Arikara War in 1823.[17]
In 1843, the southern Lakotas attacked Pawnee Chief Blue Coat's village near the Loup in Nebraska, killing many and burning half of the earth lodges.[18] Next time the Lakotas inflicted a blow so severe on the Pawnee would be in 1873, during the Massacre Canyon battle near Republican River.[19]
Seems a tad hypocritical "LakotaMan"