Telegram dated June 11, 1963 from Martin Luther King Jr. to President Kennedy after listening to the his civil rights address: "IT WAS ONE OF THE MOST ELOQUENT PROFOUND AND UNEQUIVOCAL PLEAS FOR JUSTICE AND FREEDOM OF ALL MEN EVER MADE BY ANY PRESIDENT."
June 11, 1963
John F. Kennedy Presidential Library and Museum, Boston, Massachusetts. Papers of John F. Kennedy, Presidential Papers, White House Central File, Subject File
Public domain