Monocacy July 9, 1864: Battle That Saved Washington. Centennial July 9 , 1964. By Condratis, Albert. Books / Paperback History: Military › Civil War Publisher: Frederick County Civil War Centennial, 1964., January 1964 Price $25.04 Free Shipping Send to a friend Used - Good Good condition. (Frederick County, Maryland, Military Campaigns, Commemorations) $25.04 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.