Peupeumoxmox (Walla Walla chief), H.W.A. Slaughter, Qualchan, Major Rains, General Wool, Colonel Steptoe, and all of the plateau Indians including the Yakima, the Shoshone, the pauites, the Walla Walla, etc. the Yakima Wars took place during the mid 1850’s until 1858 (Lambert, 150). The Yakima wars took place in eastern Washington at many places and or sites, like Four lakes, the Spokane Plains, the Cascade Mountains, Yakima, Fort Benton, Fort Simcoe, Fort Walla Walla, Walla Walla valley, Union Gap