The wedding of Charles, Prince of Wales, and Lady Diana Frances Spencer took place on Wednesday, 29 July 1981 at St Paul's Cathedral, London, United Kingdom. Their marriage was widely billed as a "fairytale wedding" and the "wedding of the century". It was watched by an estimated global TV audience of 750 million. The United Kingdom had a national holiday on that day to mark the wedding. The couple separated in 1992 and divorced in 1996.