Trooping The Colour
LONDON - JUNE 14: Queen Elizabeth II, with tartan rug on her lap, and Prince Philip, Duke of Edinburgh in his role as Colonel of the Grenadier Guards, leave Buckingham Palace in a horse drawn carriage during the Trooping The Colour outside Buckingham Palace on June 14, 2008 in London, England. The Trooping The Colour is the Queen's Annual Birthday Parade and dates back to the time of Charles II in the 17th Century when the Colours of a regiment were used as a rallying point in battle. (Photo by Tim Graham Photo Library via Getty Images)