On the C-SPAN Networks:
John Hennessy is a Chief Historian for the Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park with eight videos in the C-SPAN Video Library; the first appearance was a 2013 Vignette. The year with the most videos was 2017 with three videos. The year with the highest average number of views per program was 2015 with an average of 4,097 views per program. Most appearances with Frank O'Reilly (2), Brooks D. Simpson (2), Patrick Schroeder (2). Most common tag: Civil War.