Which of these monarchs had the shortest reign?
1714 – 1725: Reign of King George I
1727 – 1760: Reign of King George II
1760 – 1820: Reign of King George III
1820 – 1830: Reign of King George IV
1830 – 1837: Reign of King William IV
1837 – 1901: Reign of Queen Victoria

Respuesta :

It would King William IV. He is the only monarch listed that had a reign that lasted less than a decade.

Answer: Reign of King William IV

Explanation: Only 7 years, it was the shortest.