Preaching a message of nonviolent resistance, the Rev. Martin Luther King ... As we pause to remember King’s legacy, here’s a look back at his defining years in pictures.

Here’s where FILE - In this Aug. 28, 1963 file photo, The Rev. Martin Luther King Jr. waves to the crowd at the Lincoln Memorial for his "I Have a Dream" speech during the March on Washington ...

"They said I had 25,000, and he had a million people, and I'm okay with it because I liked Dr. Martin Luther King." That clip ...

Martin Luther King ... a nation where they will not be judged by the color of their skin but by the content of their ...