After a lifetime of public service by the side of his wife Queen Elizabeth II, Prince Philip finally retired on August 2, 2017,at the age of 96. The Duke of Edinburgh attended a parade of Royal Marines at Buckingham Palace, the last of 22,219 solo public engagements since she ascended to the throne in 1952.
9. Prince Philip with Charles and Anne
Royal British couple, Queen Elizabeth II, and her husband Philip, Duke of Edinburgh, with their two children, Charles, Prince of Wales (L) and Princess Anne (R), circa 1951. Photo: AFP
10. steam locomotive 'Union of South Africa'
First Minister of Scotland Nicola Sturgeon, Queen Elizabeth II and Prince Philip, Duke of Edinburgh on board the steam locomotive 'Union of South Africa' on the day she becomes Britain's longest reigning monarch on September 09, 2015 in Edinburgh, Scotland. Photo: WPA Pool
11. Trooping The Colour
(L-R) Prince Charles, Prince of Wales, Prince Edward, Earl of Wessex, Queen Elizabeth II, Princess Anne, Princess Royal, Prince Philip, Duke of Edinburgh, Lady Louise Windsor, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge arrive on the balcony of Buckingham Palace after the Trooping the Colour ceremony and the Horse Guards Parade on June 16, 2012 in London, England. Photo: Dan Kitwood
12. Diamond Jubilee - Epsom Derby
Queen Elizabeth II and Prince Philip, Duke of Edinburgh watch the horses in the parade ring before The Derby on June 2, 2012 in Epsom, England. For only the second time in its history, the UK celebrates the Diamond Jubilee of a monarch. Photo: Peter Macdiarmid