Prince Philip, Duke of Edinburgh, was the husband of Queen Elizabeth II. As such, he was the consort of the British monarch from his wife's accession on 6 February 1952 until his death in 2021, making him the longest-serving royal consort in history.

Elizabeth II was Queen of the United Kingdom and other Commonwealth realms from 6 February 1952 until her death in 2022. She was queen regnant of 32 sovereign states over the course of her lifetime and remained the monarch of 15 realms by the time of her death. Her reign of 70 years and 214 days is the longest of any British monarch or female monarch, and the second longest verified reign of any monarch of a sovereign state in history.