Inside the Private Life of Prince Philip

Prince Philip arrives at Westminster Abbey for his marriage to Princess Elizabeth with his best man: the Marquess of Milford Haven.

Prince Philip, otherwise known as the Duke of Edinburgh, and Queen Elizabeth during their honeymoon in Broadlands, Romsey, Hampshire. The newlyweds were just 21 (Elizabeth) and 26 (Philip).

Philip and the Queen with their one-year-old son Prince Charles in the gardens of Windlesham Moor in Surrey, England.

Princess Elizabeth and the Duke of Edinburgh attending the Royal Horse Show at Windsor.

Queen Elizabeth II and the Duke of Edinburgh wave at the crowds from the balcony during her Coronation at Buckingham Palace

Prince Philip waves to four-year-old Michael McCarthy during a tour of Mackay in Queensland.

Prince Philip and Queen Elizabeth visiting Nigeria.

Queen Elizabeth II and Prince Philip wave as they leave Liverpool after attending a "Snow White and the Seven Dwarfs" ice show.

Prince Philip, First Lady Jackie Kennedy, Queen Elizabeth, and President John F. Kennedy attend dinner at Buckingham Palace.

Queen Elizabeth II and Prince Philip in London following their return from a royal tour of India.

Prince Philip at the helm of his sailboat during the Cowes Regatta.

Prince Philip playing bicycle polo technique in Windsor Great Park, Berkshire.

Queen Elizabeth, Prince Philip, Prince Charles, and Princess Anne visiting the Isles of Scilly.

Prince Charles talking to his father, the Duke of Edinburgh, at Sandringham shortly before the ceremony marking Charles as Prince of Wales.

Queen Elizabeth II and Prince Philip fly back to London from a visit to Yorkshire.

The Queen and the Duke on board the HMY Britannia.

Queen Elizabeth II and the Duke of Edinburgh celebrate their 25th wedding anniversary with their children Prince Charles, Prince Edward, Prince Andrew, and Princess Anne at Buckingham Palace.

Queen Elizabeth with the Duke of Edinburgh and their children Prince Edward, Prince Charles, Princess Anne, and Prince Andrew, at Balmoral.

Prince Charles and Princess Diana on their wedding day, standing alongside Prince Philip.

The Queen and Prince Philip talking during The Royal Windsor Horse Show at Windsor Castle.

Queen Elizabeth II with Princess Anne, Prince Phillip, Princess Michael of Kent (a member of the British royal family who's married to the Queen's first cousin), Peter Phillips (Princess Anne's son), Prince Charles, and Princess Diana at the Trooping the Colour ceremony in London.