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 stigma attached to people living with HIV/AIDS", Mandela said. In 2009, a panel including Sir Ian McKellen and Alan Hollinghurst chose Diana's portrait to be shown in the Gay Icons exhibition at the National Portrait Gallery, London. In October 2017, the "Attitude" magazine honoured Diana with its Legacy Award for her HIV/AIDS work. Prince Harry accepted the award on behalf of his mother. Diana was the patron of HALO Trust, an organisation that removes debris—particularly landmines—left behind by war. In January 1997, pictures of Diana touring an Angolan minefield in a ballistic helmet and flak jacket were seen worldwide. During