Monday was already special in the U.K.; April 23 is St. George's Day, which honors the patron saint of England. Kate spent about 10 hours in labor with Prince George, but her second child, Princess Charlotte, was delivered after less than three hours.
CBS News correspondent Roxana Saberi reports that, like all royal babies, the new addition to the family can expect to melt hearts and make headlines when first seen by the public on the steps of the Lindo Wing. But after that, he won't likely be seen very often; William and Kate have closely guarded their children's privacy.
The British royal family is set for a big year, with Prince William's brother Prince Harry set to marry American actress Meghan Markle on May 19 at Windsor Castle, outside London.