#onThisDay in 1956 #TheFlash II debuted in @dc.com #ShowcaseComics #4 #1stGoldenAgeSuperHeroReboot #policeScientist & #ComicBookFan #BarryAllen is #reading #FlashComics relating #theAdventuresOfHisPredecessor #JayGarrick right before he #gainsSuperSpeed via a #ChemicalLabLightningStrike