<human>:  What was the famous speech given by Martin Luther King Jr.?
<bot>: The famous speech given by Martin Luther King Jr. was the "I Have a Dream" speech, delivered on August 28, 1963, in Washington, D.C. at the historic march on Washington for jobs and freedom. In the speech, King called for a future where everyone would be judged not by the color of their skin, but by the content of their character. The stirring words of his speech still spark inspiration and hope today.