Diana did little for Wales- she earned the title 'Princess of Wales' by dint of having married Prince Charles, whose title is 'Prince of Wales'. However, she showed little interest in the nation or it's people during her Royal marriage- occasionally she toured the Welsh Valleys, or opened some centre for disabled or homeless people during her marriage to Charles, but she never bothered with Wales after they divorced, and never even bothered to learn to speak Welsh properly.
Not many Welsh people were that concerned when she was killed in a car crash at the end of August 1997. A book of condolence was opened at St.David's Cathedral in Pembrokeshire, but at the end of the day it was only half-full.
For her greatest achievements, it's best to Google 'Princess Diana achievements' and see what comes up.
Because Prince Charles was - and still is - the Prince of Wales when she married him. Her name was never Princess Diana. He correct title was Diana, Princess of Wales.
If you mean Diana, the Princess of Wales. She is dead.
Diana became HRH Princess of Wales when she married Prince Charles on July 29th, 1981. After the divorce in 1996 she had to give up the HRH (Her Royal Highness) and became Diana, Princess of Wales. She was never officially called Princess Diana.
Diana, Princess of Wales
No she was not the first Princess of Wales. The title Prince of Wales was established in 1307 by Edward I. There have been 10 Princesses of Wales since it was established and Diana was the 9th.
1981.
As a member of royalty (She was lady Diana Spencer) she married the Prince of Wales, becoming Diana, Princess of Wales.
She's a popular princess from Wales!
Diana, Princess of Wales, (not Princess Diana) divorced Prince Charles.
England
No, she was buried.
Diana, Princess of Wales until her death in 1997.