#onThisDay in 1959 @DC.com #TheJusticeLeagueOfAmerica debuted in #TheBraveAndTheBold #comics #28 #SilverAge #baseball-inspired remodel of #TheJSA85 #onceAgainUnitesATeamOfDCSuperHeroes #4SeriesStars #Superman #Batman #WonderWoman #TheFlash + features #Aquaman #GreenLantern #MartianManhunter