3 May 1968Surgeons conduct UK's first heart transplant at the National Heart Hospital in Marylebone, London.
A team of 18 doctors took seven hours to finish the operation.
3 May 1951King George opens Festival of Britain, organised to mark the centenary of the Great Exhibition of 1851.
3 May 1988The White House acknowledged that first lady Nancy Reagan had used astrological advice to help schedule President Ronald Reagan's activities.
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