Prince Philip, Queen Elizabeth's love story, royal relationship
USA TODAY From their courtship to their royal wedding and their almost 74-year marriage, Queen Elizabeth II and Prince Philip's love story spanned decades and garnered public interest. Buckingham Palace announced Friday morning that the Duke of Edinburgh died at Windsor Castle. He was 99. British historians and commentators often say Philip was one of the keys to the queen's enduring success as a monarch. The queen famously described him as her "strength and stay" at the couple's golden wedding anniversary in 1997. "He is someone who doesn't take easily to compliments, but he has quit...