Chicago Sun-Times Original 1981 Vintage Newspaper-London becomes Knot-ingham-Wed. July 29, 1981.Includes Wear and Tear. Not For Reading. 11x15 inches The wedding of The Prince of Wales and The Lady Diana Spencer took place on Wednesday, 29 July 1981,[1] at St Paul's Cathedral in London, United Kingdom. The groom was the heir apparent to the British and Commonwealth thrones, and the bride was a member of the Spencer family.