An original production cel from Fat Albert and the Cosby Kids. The show was among a burst of 1970s-era Saturday morning cartoons that featured positive African-American characters. Courtesy of Pamela Thomas/Museum of UnCut Funk! hide caption

itoggle caption Courtesy of Pamela Thomas/Museum of UnCut Funk!

Celebrity chef Paula Deen poses for a portrait on Jan. 17, 2012, in New York. In her deposition for a lawsuit by a former employee, Deen admits to having used racial slurs, among other things. Carlo Allegri/AP hide caption

itoggle caption Carlo Allegri/AP

Question 9 on the first page of the 2010 Census form. After more than a century, the Census Bureau is dropping use of the word "Negro" to describe black Americans in its surveys. Instead of the term, which was popularized during the Jim Crow era of racial segregation, census forms will use "black" or "African-American." Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP