The Harlan County War was a violent labor dispute that took place in the 1930s in Harlan County, Kentucky. It primarily involved coal miners who were fighting for better working conditions, higher wages, and the right to unionize. The conflict escalated between miners and coal companies, leading to numerous confrontations, including shootings and strikes. The war drew national attention and highlighted the struggles of labor movements in the United States. It involved various groups, including the United Mine Workers of America and local law enforcement, and resulted in significant changes in labor rights and regulations in the coal industry.