The longest-reigning monarch ever was Louis XIV of France. He ruled for 72 years, 110 days. Exhausting.
100 Mind-Blowing Reigning Facts
The longest-reigning King in the UK was George III. Reigning for over 59 years, George III had the longest run as King in the history of the Royal Family.
Queen Elizabeth II was the longest-ever reigning monarch until she died in 2022.
In 2015, Queen Elizabeth became the longest-reigning queen in the world.
Since 1642, when Charles I stormed out of the House of Commons, an event which eventually led to the Civil War, no reigning Monarch had been allowed to enter the House of Commons till now.