"William's uncle Charles Spencer has identical twin daughters and his grandfather Lord Fermoy was an identical twin, " he says.

BBC: Royal baby: What are the odds of twins?

Charles Spencer, Diana's brother, told the BBC the fountain was a memorial but the essence of his sister was that she was approachable.

BBC: NEWS | UK | England | London | Public blamed over Diana fountain

Daily Telegraph critic Charles Spencer also confessed that "Queen always left me cold" but was determined to leave his prejudices aside for the evening.

BBC: Raspberries for Queen's Rhapsody

Nearly 30 years ago, heir-to-the-throne Prince Charles married Diana Spencer in Royal Navy attire, sword included.

FORBES: Wedding Attire Fit For A Prince

But TV audiences did not witness an exchange of vows until 21 years later, when Prince Charles married Lady Diana Spencer.

BBC: Royal weddings: A brief history

Prince William has announced his engagement to Kate Middleton, setting the stage for a royal wedding expected to be the biggest event of its kind since the wedding of Prince Charles to Lady Diana Spencer nearly 30 years ago.

BBC: Royal wedding 'should be low key'

In 1981, 800 million people watched Prince Charles marry the innocent Diana Spencer.

FORBES: The Royal Wedding And The World Cup: Why I Cheer For Both

In 1981, Charles, Prince of Wales and heir to the British throne, married Diana Spencer at St.

CNN: Wednesday,