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File - Photo dated Nov 20 1947 of Britain's Queen Elizabeth II and the Duke of Edinburgh as they leave Westminster Abbey in London, after their marriage ceremony, when the Queen was still the Princess Elizabeth. Queen Elizabeth II's husband has been taken to hospital after experiencing chest pains, British royal officials said Friday Dec 23, 2011. A spokeswoman for Buckingham Palace said Prince Philip was taken from Sandringham, the queen's sprawling estate in rural Norfolk, to the cardiac unit at Papworth Hospital in Cambridge for "precautionary tests." (AP Photo / PA, files) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES

File - Photo dated Nov 20 1947 of Britain's Queen Elizabeth II and the Duke of Edinburgh as they leave Westminster Abbey in London, after their marriage ceremony, when the Queen was still the Princess Elizabeth. Queen Elizabeth II's husband has been taken to hospital after experiencing chest pains, British royal officials said Friday Dec 23, 2011. A spokeswoman for Buckingham Palace said Prince Philip was taken from Sandringham, the queen's sprawling estate in rural Norfolk, to the cardiac unit at Papworth Hospital in Cambridge for "precautionary tests." (AP Photo / PA, files) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES

Queen Elizabeth II

A fanfare of trumpets and cheering crowds greeted the Queen on the 60th

anniversary of her coronation on June 4, with a service in Westminster Abbey featuring a priceless crown that has adorned the heads of British monarchs for 350 years. (Reuters)