A summary of major (and interesting) events in the history of Cheyenne and Laramie County, Wyoming. 1833 Fort William, later Ft John/Ft Laramie, established by trapper William Sublette at the confluence of the Laramie and North Platte rivers. 1849 US Army purchases Ft Laramie from American Fur Company. 1850 US Army engineers survey guided by […]