Initially created by the Institute for American Democracy as a school-book cover, this '50s-era piece features Superman speaking to school children about the importance of standing up for diversity, a relevant message no matter what era. <a href="/hashtag/supermaninhistory?refid=13&__tn__=%2Cg"> <span > #</span><span ><span>SupermanInHisto</span><wbr /><span ></span>ry</span></a> <a href="/hashtag/action1000?refid=13&__tn__=%2Cg"> <span > #</span><span >ACTION1000</span></a>