Image shows a man carrying a sign that reads """"""""Civil Rights Plus Full Employment Equals Freedom"""""""" at the March on Washington for Jobs and Freedom in Washington, District of Columbia, Augus…

Two women in the crowd at the March on Washington for Jobs and Freedom in Washington, D.C., August 28, 1963.

Lines of people board buses at the March on Washington for Jobs and Freedom in Washington, D.C., August 1963.

Image shows members of the National Association for the Advancement of Colored People (NAACP) in a crowd at the March on Washington for Jobs and Freedom in Washington, D.C., August 28, 1963. The Washi…

Aerial view of the crowd in front of the Lincoln Memorial Reflecting Pool, gathered for the March on Washington for Jobs and Freedom in Washington, D.C., August 28, 1963.

Martin Luther King Jr. in the midst of a crowd at the March on Washington for Jobs and Freedom in Washington, D.C., August 28, 1963.

Martin Luther King, Jr. speaks from behind a podium to a crowd during the March on Washington for Jobs and Freedom in Washington, District of Columbia, August 28, 1963.