Mezue ahịrịokwu na-esonụ: Agha ahụ malitere n'afọ 1237. Ögedei Khan bụ 2nd Khagan-Emperor nke Mongol Alaeze Ukwu, na dị ka akụkụ nke atụmatụ ya iji merie Europe, Ögedei nyere iwu Batu Khan, nchoputa nke Golden Horde,
ịwakpo Russia. Ka egwuregwu a na-amalite, Batu eduola ndị Horde ruo na nsọtụ ndịda Ryazan.