Ludlow Massacre

Date: April 20, 1914 • Location: Trinidad, United States

A fire and a gun battle between the Colorado National Guard and striking coal miners led to 17 deaths in the Ludlow Massacre.

The Colorado National Guard consists of the Colorado Army National Guard and Colorado Air National Guard, forming the state of Colorado's component to the United States National Guard. Founded in 1860, the Colorado National Guard falls under the Colorado Department of Military and Veterans Affairs.