The Philadelphia press reported the longest train of railroad cars ever to enter the city arrived carrying 2,400 Confederate prisoners of war. They were escorted for imprisonment at Fort Delaware in the Delaware River below Wilmington. (By John Osborne)
Source Citation
J.Thomas Scharf and Thompson Wescott, History of Philadelphia 1609-1884, in three volumes (Philadelphia, PA: L.H. Everts & Co., 1884), 806.