On Wednesday, May 20 at 7:00 PM, the Blair County Historical Society is holding the next installment of its History Speaks lecture series! For this lecture, Dr. Michael Farrow will present audiences with the history of Altoona's Knickerbocker Historic District. This presentation will be held at the Railroaders Memorial Museum, and admission is FREE and open to the public. However, donations to the Blair County Historical Society are welcome. For more information, please visit www.blairhistory.org or check out the Blair County Historical Society's social pages.