Longest Reigning World Monarchs Ever (Emperor, King, Queen, Prince) 1. King Louis XIV from France Beginning of reign: 14 May 1643 End of reign: 1 September 1715 72 years, 110 days 2. Queen Elizabeth II from United Kingdom Beginning of reign: 6 February 1952 End of reign: 8 Sept 2022 70 years, 214 days 3. … Continue reading Longest Reigning World Monarchs Ever (Emperor, King, Queen, Prince)