Changez Khan popularly known as Genghis Khan was the founder and first Great Khan of the Mongol Empire. He combined numerous nomadic tribes of Northeast Asia and led them.

He conquered most of Eurasia (Europe + Asia) through Mongol invasion. He made the Mongol Empire the largest contiguous empire in history. It occupied a major portion of Central Asia and China.

In addition to his military achievements, he also practiced meritocracy and encouraged religious tolerance in the Mongol Empire.

He is regarded as the founding father of Mongolia. However, he is also considered as a genocidal ruler due to the brutality of his campaigns.

His mass killing dropped the total population of Persia from 2,500,000 to 250,000.

Interesting Facts:
πŸ‘‰Β He rose from humble beginnings to establish the largest land empire in history.
πŸ‘‰Β His army killed approx. 4 Crore people, which was 11% of the world population at that time.
πŸ‘‰ Some of his most trusted generals were his former enemies.
πŸ‘‰ He created one of the first international postal systems.
πŸ‘‰ No one knows how he died or where he is buried.