WQLN NPR first signed on the air in 1973, and on February 17th of that year – it was announced that Tony Boyle, the former president of the United Mine Workers would testify at the Erie trial of William Pratter. Pratter was one of two defendants charged with the murders of Joseph Yablonski, his wife, and their 25-year-old daughter
This Day in History is presented by Chronicles on WQLN PBS.