She died on Sunday, 10 January 1971, at the Hotel Ritz, where she had resided for more than 30 years.- Diana, Princess of Wales (Wikipedia)
Diana, Princess of Wales (born Diana Frances Spencer; 1 July 1961 – 31 August 1997) was a member of the British royal family. She was the first wife of Charles III (then Prince of Wales) and mother of Princes William and Harry. Her activism and glamour made her an international icon, and earned her enduring popularity.