Princess Diana arrives at Washington Dulles International Airport

Her Royal Highness the Princess of Wales, Lady Di, arrives at Washington Dulles International Airport on October 4, 1990. Princess Diana is in Washington to attend a benefit gala for the London City Ballet, Washington Ballet and Grandma's House - a home for children with AIDS - which she will visit on October 5, before flying back to London. (UPI Photo/Patsy Lynch/Files)