In Philadelphia, a sizable explosion levels a fireworks factory and kills four workers
A large explosion in the western environs of Philadelphia, Pennsylvania destroyed a fireworks factory, levelling the building and killing four people. Included amongst the dead was a former Union soldier named Philip Flyhouse, who had survived combat and had recently been discharged on account of battle wounds. (By John Osborne)
J.Thomas Scharf and Thompson Wescott, History of Philadelphia 1609-1884, in three volumes (Philadelphia, PA: L.H. Everts & Co., 1884), I: 821.