Genghis Khan, known as "conqueror of the world", had an empire that stretched four thousand miles from the Pacific Ocean north of Korea to the Crimean peninsula on the Black Sea. He passed on his empire to his sons and grandsons who continued to expand it. .
Khan's father was poisoned and killed when Khan was 12. Khan, being a traditionalist, supported his mother and four brothers after his father died. He got married to his first wife at age 16. .
His escape from an enemy tribe that had captured him proved his determination and bravery. .
In 1189, after he was elected the new leader of the Kiyat, he embarked on a series of military campaigns to unify the peoples of the steppe. In 1206, after a series of skilful victories, such as battles against merkit and Naiman peoples, Temujen was acknowledged as supreme leader of the steppe at a khuriltai, a traditional meeting of tribal leaders to decide upon the future military and state matters. He was given the title of Genghis Khan meaning "emperor of all emperors" or "oceanic ruler". Genghis Khan's campaigns and those of his descendants led to the creation of an immense empire that stretched from Hungary to Korea.
Mongol armies under Genghis Khan never outnumbered those of their enemies; they"re success was based on the fact that they were highly disciplined, superbly coordinated and brilliant in tactics. The knights at their tournaments, in their finery, armor and emblems of ancestry, believed they were the foremost warriors in the world, while Mongol warriors thought otherwise. Mongol horses were small, but their riders were lightly clad and they moved with greater speed. These were hardy men who grew up on horses and hunting, making them better warriors than those who grew up in agricultural societies and cities. Their main weapon was the .
bow and arrow. Their aim was impeccable and deadly over a hundred yards. .
Division was the tactic used to organize his armies.