Prince William got engaged in October 2010 to Kate Middleton, but the engagement was not officially announced until November 16, 2010. The wedding will supposedly take place sometime in 2011.
Princess Margaret's birth name is Her Royal Highness Princess Margaret Rose of York.
Princess Margaret's full title was Her Royal Highness Princess Margaret, Countess of Snowdon.
Princess Margaret School was created in 1955.
Princess Margaret Stakes was created in 1946.
Princess Margaret Bridge was created in 1959.
Short answer? NOTHING!! They were never married, nor even engaged, since Princess Margaret (for whatever reasons: personal or Constitutional) refused his offer. Princess Margaret married Anthony Armstrong-Jones, Earl of Snowdon, in 1960. That was her only marriage.
No sisters No sisters
Princess Margaret Rose died on February 9, 2002. February 9th, 2002
Princess Margaret of Sweden was born on January 15, 1882.
Princess Margaret of Prussia was born on April 22, 1872.
Princess Margaret of Sweden was born on January 15, 1882.
Princess Louise Margaret was born on July 25, 1860.