On the news that Catherine, Duchess of Cambridge, has given birth to her first child, Dateline NBC looks back at how Princess Diana changed the way the Royal women gave birth by delivering at St. Mary's Hospital rather than at Buckingham Palace and requesting her husband, Prince Charles, be at her s
NBC News British historian Dr. Andrew Roberts joins Martin Bashir to discuss.
Britain's Prince Charles, the Prince of Wales poses while holding a childs T-shirt during a visit to the Whitstable Oyster Festival in Whitstable on July 29, 2013. AFP PHOTO/POOL/ARTHUR EDWARDSARTHUR EDWARDS/AFP/Getty Images
UNSPECIFIED, UNITED KINGDOM - JULY 29: Camilla, Duchess of Cornwall watches as Prince Charles, Prince of Wales tries some Oysters during a visit to The Whitstable Oyster Festival on July 29, 2013 at Whitstable Harbour, Whitstable, Kent.
Britain's Prince Charles attends the Audi International Polo in Windsor, July 28, 2013. REUTERS/Eddie Mulholland/Pool (BRITAIN - Tags: ROYALS)
Prince Charles and his wife Camilla, Duchess of Cornwall, arrive at the St Mary's Hospital in London, on July 23, 2013. Britain's Prince William and his wife Kate on Tuesday thanked staff at the hospital where their baby son was born, as the world waited for a name and hopefully a glimpse of the fu