Hugh Gaitskell, leader of the Labour Party dies; Harold Wilson becomes Leader of the Opposition in his place; Krushchev and Kennedy sign a nuclear test ban treaty; Martin Luther King leads the Washington civil rights march in the USA; John Profumo, Secretary of State for War resigns following allegations about his association with Christine Keeler; Henry Cooper knocks Cassius Clay out; John F. Kennedy is assassinated in Dallas, Texas; the first episode of DR WHO is screened.