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In the United Kingdom, Queen Elizabeth II celebrated her 70th wedding anniversary with her husband Prince Philip, Duke of Edinburgh ... 2017. The Queen walked down the aisle as a 21-year-old princess ... November 20, 1947. She is the first British monarch ever to ... a ... wedding anniversary. In the United Kingdom, she is also the longest-ever ... monarch. The couple celebrated their special day with close family and friends at a small private party at one of their royal homes - Windsor Castle that is located ... the west of London. They marked the occasion with the release of a set of official portraits. The British post ... has also celebrated the historic landmark with a special set of commemorative postage stamps.