Battle of Wounded Knee Violent conflicts between Native American groups and the U.S. military were common throughout many territories. One of the last military actions against Native Americans of the northern Plains took place on December 29, 1890. Government officials banned a growing religion known as the Ghost Dance on a South Dakota reservation that month. As part of the crackdown against the Ghost Dance, soldiers from the Seventh U.S. Cavalry Regiment arrested a band of Lakota who were t...