In 1971, HRH Princess Anne became the first Royal to be named Sports Personality of the Year.
Aged just 21, Princess Anne won the individual title at the European Eventing Championship at Burghley.
She went on to participate in the 1976 Montreal Olympic Games, riding The Queen's horse, Goodwill.
BBC Sports Personality of the Year 2015 is broadcast live from Belfast on Sunday, 20 December from 19:00 GMT on BBC One. Further coverage on BBC Sport's online platforms and Radio 5 live.