Louis XIV of France, who ruled from 1643 to 1715, was known as the 'Sun King' due to his lavish lifestyle and his association with the sun.

The official title of the British monarch is 'King or Queen of the United Kingdom of Great Britain and Northern Ireland'.

Peter I of Russia, who ruled from 1682 to 1725, was known as 'Peter the Great' due to his extensive reforms and modernization efforts.

The Japanese monarch is known as the 'Emperor or Empress of Japan'.

Richard I of England, who ruled from 1189 to 1199, was known as 'The Lionheart' due to his bravery and military prowess.

The Spanish monarch is known as the 'King or Queen of Spain'.

Suleiman I of the Ottoman Empire, who ruled from 1520 to 1566, was known as 'Suleiman the Magnificent' due to his military conquests and cultural achievements.

The Thai monarch is known as the 'King or Queen of Thailand'.

Louis IX of France, who ruled from 1226 to 1270, was known as 'Louis the Just' due to his reputation for fairness and justice.

The Moroccan monarch is known as the 'King or Queen of Morocco'.

William I of England, also known as 'William the Conqueror', invaded and conquered England in 1066, leading to the Norman Conquest.

The Swedish monarch is known as the 'King or Queen of Sweden'.

Alfred the Great, King of Wessex from 871 to 899, was known as 'Alfred the Wise' due to his intellectual pursuits and contributions to education and law.

The Danish monarch is known as the 'King or Queen of Denmark'.

Genghis Khan, the founder of the Mongol Empire, was known as 'The Great Khan' due to his extensive conquests and the vast territory he ruled.