Dr. Martin Luther King Jr. was the famous civil rights leader who delivered the "I Have a Dream" speech in 1963. This speech was a pivotal moment in the American Civil Rights Movement, held during the March on Washington for Jobs and Freedom. King’s eloquent articulation of his vision for racial equality and justice called for an end to discrimination and emphasized the importance of civil rights for all Americans, regardless of race. His speech remains one of the most powerful and enduring moments in American history, inspiring generations to promote social justice and equality.