Rock Springs massacre: In Rock Springs, Wyoming, 150 white miners, who are struggling to unionize so they could strike for better wages and work conditions, attack their Chinese fellow workers, killing 28, wounding 15 and forcing several hundred more out of town.

The Rock Springs massacre, also known as the Rock Springs riot, occurred on September 2, 1885, in the present-day United States city of Rock Springs in Sweetwater County, Wyoming. The riot, and resulting massacre of immigrant Chinese miners by European immigrant miners, was the result of racial…