PHOTOS | Queen Elizabeth II turns 95 amid mourning the death of Prince Philip
2021-04-21T20:01:15.359Z
Since 1952, there have been seven popes, 13 US presidents, and 13 British prime ministers. But there has only been one British monarch. Queen Elizabeth II has reigned for 67 years, which is the longest period of any British monarch in history and any current monarch in the world. He was 25 years old when he ascended to the throne. | PHOTOS | The life of Queen Elizabeth II | CNN