In pictures: Prince Philip, 1921 - 2021

Prince Philip, Queen Elizabeth's husband and Duke of Edinburgh passed away on Friday at the age of 99.

Britain's Queen Elizabeth and Prince Philip, the Duke of Edinburgh walk at Broadlands in Romsey, southern Englandin 2007. After a year long courtship, the Queen and Prince Philip wed in November 20, 1947, at Westminster Abbey. REUTERS/Fiona Hanson/Pool

Queen Elizabeth and Prince Philip have a chat in the stands at the Investec Derby Festival, June 2015. Reuters / Peter Nicholls

Prince William and his bride Catherine, Duchess of Cambridge pose for an official photograph with their families, on the day of their wedding, in the throne room at Buckingham Palace, in central London April 29, 2011.   REUTERS/Hugo Burnand/Clarence House

The hand of Britain's Queen Elizabeth II (L) is held by her husband, Prince Philip, Duke of Edinburgh, after her speech at the State Opening of Parliament in the House of Lords in London, November 13, 2002. REUTERS/Russell Boyce

Prince Philip sits with the Queen as she delivers her speech in the House of Lords, during the State Opening of Parliament at the Palace of Westminster in London June 4, 2014. REUTERS/Carl Court/Pool

Queen Elizabeth, Prince Philip, Prince Harry, Prince William, the Duke of Cambridge and his wife, Catherine, the Duchess of Cambridge share a light moment as they stand on the balcony of Buckingham Palace in the annual Trooping of the Colour ceremony to celebrate the Queen's official birthday in central London, June 14, 2014. REUTERS/Toby Melville

Queen Elizabeth, Prince Philip, Prince Harry, Prince William, the Duke of Cambridge and his wife, Catherine, the Duchess of Cambridge share a light moment as they stand on the balcony of Buckingham Palace in the annual Trooping of the Colour ceremony to celebrate the Queen's official birthday in central London, June 14, 2014. REUTERS/Toby Melville

Britain's Queen Elizabeth smiles as she receives the trophy from Prince Philip, Duke of Edinburgh, after her horse Estimate won The Queen's Vase on the fourth day at Royal Ascot, southwest of London June 22, 2012. REUTERS/Stefan Wermuth

Queen Elizabeth and Prince Philip at Clarence House with Prince Charles, Prince Edward, Princess Anne and Prince Andrew for a dinner to mark the couple's diamond wedding anniversary in 2007. Photograph: AFP/Getty Images via The Guardian

Prince Philip pauses in front of a life-sized cartoon of himself at the opening of New Zealand cartoonist Sir David Low's exhibition at the National Library in Wellington, November 7, 1995. REUTERS/Stringer

Prince Philip, in his role as the Regiment Colonel in Chief, visits The Queens Royal Hussars in Basra, Iraq, October 2006. REUTERS/Ministry of Defence