Daily Show correspondent Michael Che will become the first black co-anchor of Saturday Night Live's Weekend Update. Paul Marotta/Courtesy of Michael Che hide caption

itoggle caption Paul Marotta/Courtesy of Michael Che

Demonstrators last month chanted on West Florissant, one of the main boulevards in Ferguson, Mo. According to a state report, nearly 9 in 10 people stopped by the police in 2013 were black. Eric Kayne for NPR hide caption

itoggle caption Eric Kayne for NPR

News outlets in 1962 paired this image of injured police officers with a story about the aftermath of a riot in a St. Louis suburb. Proquest Historical Newspapers Archive hide caption

itoggle caption Proquest Historical Newspapers Archive