Prince William and Kate Middleton
Getty Images / AP photos
Prince William and Kate Middleton (left) will marry April 29, 2011, in Westminster Abbey, the historic London church where Princess Diana's funeral was held. The wedding date was announced via various royal Twitter accounts.
On Nov. 20, 1947, Queen Elizabeth II married the Duke of Edinburgh (right) at the abbey, the 1,000-year-old church in central London where British kings and queens are crowned.