Monarch
From Wikipedia, a free encyclopedia written in simple English for easy reading.
A monarch is a hereditary ruler. A male monarch is called a king. A female monarch is called a queen. Some monarchs are called emperors or empresses.
Monarchs were very common in history. A lot of countries used to have a monarch, but no longer have them. They are now republics. Some countries that still have monarchs have other leaders that actually have the power. These are called constitutional monarchies.
This short article can be made longer. You can help Wikipedia by adding to it.