Why was Princess Diana called the Princess of Wales?

When she divorced Charles, her title became Diana, Princess of Wales. In order to be officially called Princess Diana she would have had to have been born a princess of the royal blood herself. read more

Diana, Princess of Wales, was commonly called"Princess Diana" following her marriage to Charles, Prince of Wales, but this was incorrect because she was not a princess in her own right. read more

At that point, the Prince became his major title in England (apart from Cornwall), and Wales. So, on marrying him, Diana took the major title Princess. In Scotland, however, Charles is Duke of Rothersay. read more

More than a century earlier, Princess Charlotte, daughter of the then Prince of Wales (later George IV) was also known as the People's Princess, for similar reasons. read more