Diana, Princess of Wales have a paying job before her engagement. She made her first public appearance with Prince Charles in a charity ball in March 1981 at Goldsmiths' Hall, where she met the Princess of Monaco. Twenty-year-old Diana became Princess of Wales when she married the Prince of Wales on 29 July 1981 at St Paul's Cathedral, which offered more seating than Westminster Abbey, a church that was generally used for royal nuptials. The service was widely described as a "fairytale wedding" and was watched by a global television audience of 750 million people while 600,000 spectators lined the streets to catch a
Diana, Princess of Wales much to remove the stigma and taboo associated with diseases such as cancer, AIDS, HIV and leprosy." Diana became president of the hospital on 27 June 1989. The Wolfson Children's Cancer Unit was opened by Diana on 25 February 1993. In February 1996, the Princess who had been informed about a newly opened cancer hospital built by Imran Khan, travelled to Pakistan to visit its children's cancer wards and attend a fundraising dinner in aid of the charity in Lahore. She later visited the hospital again in May 1997. In June 1996, she travelled to Chicago in her capacity as