Martin Luther King

Martin Luther King was leader in the African-American Civil Rights Movement.

History
When Homer was working as a guard in the Springfield Juvenile Correctional Facility, he told Bart that he would see him on Monday, only to realize that was Martin Luther King Day.

Martin Luther King participating in  in 1964. After Krusty in the same episode got snowballs in his crotch he started to laugh.

Kent Brockman mentioned that Martin Luther King, Jr., Gandhi, and Desmond Tutu all have won the Nobel Peace Prize.