By Dana Canedy, Darcy Eveleigh, Damien Cave and Rachel Swarns . Includes photos of a 27-year-old Jesse Jackson leading an anti-discrimination rally in Chicago, Rosa Parks arriving at a Montgomery Courthouse in Alabama, a behind-the-scenes shot of Aretha Franklin backstage at the Apollo Theater, Ralph Ellison on the streets of his Manhattan neighborhood, the firebombed home of Malcolm X, Myrlie Evans and her children at the funeral of her slain husband , Medgar, a wheelchair-bound Roy Campanella at the razing of Ebbets Field. To learn more, click here.