#OnThisDay in 1990 #LaurelGand of #30thCentury #Daxam debuted in #LegionOfSuperHeroes #comics #5 aft #CrisisOnInfiniteEarths X’ed #Supergirl from #LegionHistory this #UniqueSuperLady #PowerGirl-level abrasive was the 1st post #Watchmen #DCU Super-Do-gooder w #isolationist cultural parameters