Queen Elizabeth II, who was Britain’s longest-reigning monarch, died at her Balmoral residence on Thursday aged 96. Here’s a look back at her life through 10 dates and pictures. 1. Princess Elizabeth is born in London – 21 April 1926Princess Elizabeth was born, the third in the line to the throne. Her father was the future King George VI and her mother, Elizabeth Bowes-Lyon. 2. Princess Elizabeth marries Philip Mountbatten – 20 November 1947Princess Elizabeth married Philip Mountbatten on 20 November 1947 at Westminster Abbey. The couple had four children — Charles, Prince of Wales; Anne, Pri…