The Battle of Blair Mountain was the largest labor uprising in United States history and is the largest armed uprising since the American Civil War. The conflict occurred in Logan County, West Virginia, as part of the Coal Wars, a series of early-20th-century labor disputes in Appalachia.

William H. Blizzard was an American union organizer, a commander of the miners' army during the Battle of Blair Mountain, and president of District 17 of the United Mine Workers (UMWA). Blizzard is most remembered for his role in the Battle of Blair Mountain, leading the miners against the forces of Logan County sheriff Don Chafin. For his leadership role in the battle, Blizzard was charged with treason, but was acquitted at his trial on these charges. From that time forward, he remained an important leader within the UMWA and organized labor.