Mountain Meadows Massacre 2025 Dates. Only 17 small children—those believed to be too young to be. One of the largest civilian massacres in the history of our country occurred at mountain meadows, south of cedar city, utah on september 11, 1857.
History, slaughter of a band of arkansas emigrants passing through utah on their way to california. Months later, the wagon train came under siege by the mormons and indians in southwest utah at a place called mountain meadows.