Genghis khan rose to power when he killed his rivals.
Temujin accepted the name Genghis khan or "universal leader"
The northern Jin empire was invaded
Central Asia was now under Mongol control.
Genghis khan died
The Mongols divided there huge empire and Kublai khan came to power
Tried to invade Japan (failed)
Kublai khan tried to invade Japan again (failed)