#OnThisDay in 1938 @dc.com #ActionComics #1 was published #monthly #anthologyComic that introduces the soon-to-be #NumberOneComicBookSuperHero as well as #Zatara #ChuckDawson #PepMorgan #ScoopScanlon & #TexThompson in 1986 becomes #SupermanTeamUp title #ActionComicsWeekly in 1988-89 ends w 2011 #904