Queen Elizabeth II and Prince Philip will celebrate their platinum wedding anniversary on November 20.
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Despite three of their four children having divorced, this royal union has endured through the decades without any public hint of marital strife.
No events are planned to celebrate their landmark, but the bells of Westminster Abbey will ring at 13:00 GMT in tribute.
Elizabeth and Philip will spend the day with other members of the royal family.
The Queen, aged 91, is slowly passing over some of her official duties to her son Prince Charles, now aged 69.
The 96-year-old Prince Philip, the Duke of Edinburgh, retired from the public eye this summer, enjoying his newfound free time reading and painting.
Elizabeth was aged just 13 when she first laid eyes on her future husband Philip, then a 18-year-old army officer.
It would, however, be eight years until the nation celebrated their wedding at Westminster's famous abbey on November 20, 1947.
