On august 28, 1963, Dr. Marin Luther King gave his “I have a dream” speech, in Washington D.C. during the March on Washington.
http://www.youtube.com/watch?v=smEqnnklfYs
Photo: Wikimedia Commons / This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of 17 U.S.C. # 105. / Dr. Martin Luther King.