Preaching a message of nonviolent resistance, the Rev. Martin Luther King Jr. was the leading voice ... here’s a look back at his defining years in pictures.

To look back on the historic day further, view the photos below. FILE - The Rev. Dr. Martin Luther King Jr., head of the Southern Christian Leadership Conference, speaks to thousands during his "I ...

When watching and reading his speeches and sermons ... In honor of Martin Luther King Jr. Day, WhoWhatWhy presents — through a fascinating collection of pictures — a brief history of American ...

And so we must straighten our backs and work for our freedom. – Martin Luther King Jr., "The Death of Evil upon the Seashore," sermon given at the Cathedral of St. John the Divine, New York City, May ...

Because on Martin Luther King Day, while we’re here with this wonderful children’s choir — he’d be in Washington saying ‘What are y’all going to do?’” At the end of his sermon ...

Sixty-four years ago today, a crowd of eager students piled into Thompson Chapel for regular Sunday Services. Curious ...

Every January, Americans rightfully celebrate the life and legacy of civil rights leader, political philosopher and Baptist minister Martin Luther King ... of his famous sermons to rewatching ...

Photo: Martin Luther King waves to the crowds at the March on Washington for Jobs and Freedom, 28 August 1963. (Getty Images) Martin Luther King was born on 15 January 1929 in Atlanta, Georgia (US).