9/11/1857 - Mountain Meadows Massacre Monument, Utah

…

"All were then killed except 17 small children - found later in Mormon homes."

…

"The Mountain Meadows Massacre Monument was erected in 1955. The Mormons dragged their feet for another another 44 years before they finally erected a monument on the actual massacre site in Utah."

https://www.roadsideamerica.com/story/21940