The Yuan Dynasty was founded by Ghinggis Khan in 1206 after he conquered the Jin dynasty and Southern Song dynasty. The dynasty controlled a vast domain including provinces like Henan and Sichuan. The fifth emperor, Kublai Khan, established the new title "Yuan" to show his rule over the Central plains. The Yuan dynasty was the head of all vassal states but each state ruled its own kingdom. The emperor controlled a big domain including provinces like Yunnan and Jiangxi.