Marching for equal rights in the South in the mid-1960s often put participants in danger at the hands of racially-motivated hate groups and, sometimes, the police. Ethel Carrington Archibald and Shirley Morris Robertson, friends since 5 years old, participated in the marches from Selma, Ala., to the state capital of Montgomery. At one point, they were part of a group that was arrested and put in jail, alongside none other than Dr. Martin Luther King Jr.
Watch as Ethel and Shirley describe what it was like being locked up with one of the 20th century's great leaders.
Hear more stories from people who were at the ground level of the civil rights marches.