1964 1965 1966 1967 1968 1969 1970 1971 1972 1973   Martin Luther King shot dead in Memphis by unidentified white assassin Britain's first successful heart transplant on a man of 45 at the National HeartHospital, Marylebone Alex Smith, 15, becomes Britain's first lung transplant patient Senator Robert Kennedy assassinated in Los Angeles hotel Professor of Pharmacology at Oxford says heroin is now a major emergency Epidural technique in childbirth promises to relieve women of painful delivery Britain's first sextuplets born at Birmingham Maternity Hospital Richard Nixon becomes US President     Copyright © 1998, NHS