Genghis khan is the most brutal emperor in the history of world.He was the founder of the most contiguous empire of the world i.e. the Mongol empire.He made an army by himself by uniting some nomadic tribes and trained them.Then he started Mongol invasions.He conquered a large number of dynasties within years.His invasions over countries includes massacres of many civilians.He was successful in conquering almost all parts of Central Asia and China.He was an unbeatable military man.His military accomplishments are above extra ordinary.Besides military possessions,he also created many other reforms in the Mongol dynasty.He declared Uyghur script as writing system for Mongol empire.He was very liberal in religious view.The main example here is of the nomadic tribes of northeast Asia,uniting whom the whole empire was build.He was originally a Muslim,but he possess great tolerance in religions.He constructed various temples and churches in his empire.This great ruler is regarded as the founding father of Mongolians