Ogedei is second emperor of Great Mongol Empire who reigned from 1229 to 1241. Great Khuraldai was called for at the Kherlen Khuduu Aral in 1229 to coronate Ogoodei as the emperor of Great Mongol Empire.
Ogede Khan aunched a campaign to conquer Jin dynasty in 1231 and successfully finished his campaign in 1234. He continued his father’s policy and expanded the foreign relations and trade of the empire with other nations and regulated the tax system under one standard. During his time of reign, he launched two great campaigns to east and west. For 13 years of his reign, Ogedei improved the government system, established and expanded horse relay system, regulated the tax system, continued the campaign eastwards and conquered Jin Dynasty in 1234 and conquered modern day Korea.
In 1235, he expanded the horse relay system and established relay post from capital Karakorum to Tsagaadai’s empire in the west and Beijing in the south. He appointed these duties to the sons of his siblings. At the time, messenger from Persia could reach Karakorum in three days through this relay system. Gerege was developed at that time and distributed to the messengers. This form of “passport” had god, silver, wood and bronze variants. A messenger with a gerege had absolute diplomatic immunity. Ogedei passed away on the 11th of December, 1241.