Elizabeth Angela Marguerite Bowes-Lyon was the wife of King George VI and the mother of Queen Elizabeth II and Princess Margaret, Countess of Snowdon.
On 9 September 2015. Queen Elizabeth II became the longest-reigning British monarch, when she surpassed the reign of her great-great-grandmother Victoria. source
On 9 September 2015. Queen Elizabeth II became the longest-reigning British monarch, when she surpassed the reign of her great-great-grandmother Victoria.
