Prince William's Wedding Day Will Be a National Holiday 5.75K Brian Moylan 11/18/10 04:24PM Filed to: Royalty Royalty Prince William Kate Middleton Prince Charles Royal wedding Gordon Brown Gettypic Tweetg Tweetv Tweetd Fb British Prime Minister David Cameron says he may declare Prince William's impending wedding day a national holiday. Prince Charles and Princess Di had one declared for their nuptials 30 years ago. Monarchy doesn't look so bad now, does it?