After death of Ghengis, his youngest son Tului was dealing with state affairs , then, in 1229, the year of the yellow bull, the Great Khuraldai was held in Khentii’s “Khuduu Aral” and Ogodei, the third son of Chinggis , was appointed as Khan. Ogodei was born in 1187 and he participated in expanding the Great State following after his father.

 After death of Ghengis, his youngest son Tului was dealing with state affairs , then, in 1229, the year of the yellow bull, the Great Khuraldai was held in Khentii’s “Khuduu Aral” and Ogodei, the third son of Chinggis , was appointed as Khan. Ogodei was born in 1187 and he participated in expanding the Great State following after his father. Ogodei Khan improved the governance of his empire, and finished the construction of Khar Khorum, the new Palace, which was started by the decree of Genghis Khan, and announced it as the capital of the Great State of Mongolia.
The Secret History of Mongolia, the valuable inheritance of Mongolian culture and history , was written in his palace while he was alive. Ogodei Khan died at 56 years of age in 1241.