She also raised awareness and advocated ways to help people affected with HIV/AIDS, cancer, and mental illness.
Diana remained the object of worldwide media scrutiny during and after her marriage, which ended in divorce on 28 August 1996.
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 glimpse of the couple en route to the ceremony.
The marriage produced two sons, the princes William and Harry, who were then respectively second and third in the line of succession to the British throne.
As Princess of Wales, Diana undertook royal duties on behalf of the Queen and represented her at functions overseas.
She was celebrated for her charity work and for her support of the International Campaign to Ban Landmines.
Diana was involved with dozens of charities including London's Great Ormond Street Hospital for children, of which she was president from 1989.
Within a few years of the wedding, the Queen extended Diana visible tokens of membership in the Royal Family; she lent the Princess the Cambridge Lover's Knot Tiara, In January 1982—twelve weeks into the pregnancy—Diana fell down a staircase at Sandringham, and the royal gynaecologist Sir George Pinker was summoned from London.She took a series of low-paying jobs; she worked as a dance instructor for youth until a skiing accident caused her to miss three months of work.She then found employment as a playgroup pre-school assistant, did some cleaning work for her sister Sarah and several of her friends, and acted as a hostess at parties.Diana spent time working as a nanny for the Robertsons, an American family living in London, They were guests at a country weekend during the summer of 1980 when she watched him play polo and he took a serious interest in Diana as a potential bride.The relationship progressed when he invited her aboard the royal yacht Britannia for a sailing weekend to Cowes.