On March 26, 1856, a year after the Willamette Valley treaty is negotiated (Jan. 22, 1855) there is an uprising on the Columbia near the Cascades. There are numerous versions of the story,  but it is associated  as an extension of the Yakima Indian Wars, where  Klickitat and Yakima and perhaps some Cascades Indians were … More A Startling History of the Cascades Indians, 1855-1862