#onThisDay in 1939 #Hawkman debuted in @dc.com #FlashComics #1 #archaeologist #CarterHall the #reincarnation of #Egyptian #PrinceKhufu discovered #antiGravity #NthMetal & #fashionedAWingedCostume to fightCrime with #ancientWeaponsFromHisCuration #JSA #chairman & #ZeroHour initiates #SilverAge merger