Queen Elizabeth II became the longest-reigning British monarch on 9 September 2015 when she surpassed the reign of her great-great-grandmother Victoria. On 6 February 2017, she became the first British monarch to celebrate a Sapphire Jubilee, commemorating 65 years on the throne. In 2022, Elizabeth II became the first British monarch to reign for 70 years, and large-scale celebrations for her Platinum Jubilee occurred from 2–5 June. She reigned for 70 years, 7 months, and 2 days before her death on 8th September 2022.

Queen Elizabeth II became the longest-reigning British monarch on 9 September 2015 when she surpassed the reign of her great-great-grandmother Victoria. On 6 February 2017, she became the first British monarch to celebrate a Sapphire Jubilee, commemorating 65 years on the throne. In 2022, Elizabeth II became the first British monarch to reign for 70 years, and large-scale celebrations for her Platinum Jubilee occurred from 2–5 June. She reigned for 70 years, 7 months, and 2 days before her death on 8th September 2022.

Queen Elizabeth II was the queen of 15 Commonwealth realms at the time of her death ¹. These realms include the United Kingdom, Canada, Australia, New Zealand, and several countries in the Caribbean and Pacific. She was also the head of the Commonwealth, a voluntary association of 56 countries, most of which are former British colonies or territories. During her reign, she was queen of 32 sovereign states, although the number varied as countries gained independence and became republics.

Elizabeth II (Elizabeth Alexandra Mary) was Queen of the United Kingdom from 6 February 1952 until her death on 8 September 2022. Her reign of 70 years and 214 days was the longest of any British monarch and the second-longest recorded of any monarch of a sovereign country. At the time of her death, Elizabeth was also Queen of 14 other Commonwealth realms, in addition to the United Kingdom.