When a king conquered his neighboring kingdoms and united them all under his command, he became the emperor of his entire region, which was now called an empire. Often a King will rule over several Kingdoms in a personal union, some such as the Kings of Great Britain also held the substitutiary title of Emperor of IndiĪ kingdom is a state or province, which may be independent or a part of a bigger empire. the emperor is the ultimate ruler of all the kingdoms.Įach kingdom has its boundary and it’s own politics and a king is the ruler that kingdom. Many kingdoms with their different policies and politics form an empire, and the ruler i.e. Some Kings, such as those in France and Britian ruled over far greater terretories than most Emperors.

Historically the power of many Emperors was often less than that of contemporary Kings.įor some power of Kings maximum in his kingdom, for others they may be vassels to a greater monarch. Most have lesser Kings as vassels, sworn to them. The power of emperor is maximum, the whole empire is under his command. Like Emperors, Kings may be considered Gods within their own Kingdom, alternatively they may reign by the Grace of God. An emperor is a (male) monarch, usually the sovereign ruler of an empire or another type of imperial realmĪ king rules a kingdom, might be a part of an empire.Įmperors may be considered a God within their Empire (as with the Emperor of China), or their divine status may be appointed by the Grace of God, (as with the Holy Roman Emperor) The King of United Kingdom is an example.Īn Emperor is the ruler of an empire. Today the Emperor of Japan is the only remaining emperor on the throne in the world. She can be the wife or mother of the King, or ruler of the Kingdom. Comparison chart Emperor versus King comparison chartĮmpress is the female form, who can be the wife or mother of the emperor, or the ruler of the empire.

Ruler tool and ruler king