Ulaghchi Khan (died 1257) was the third khan

Khan (title)

Khan is an originally Altaic and subsequently Central Asian title for a sovereign or military ruler, widely used by medieval nomadic Turko-Mongol tribes living to the north of China. 'Khan' is also seen as a title in the Xianbei confederation for their chief between 283 and 289...

 of the Blue Horde and Golden Horde

Golden Horde

The Golden Horde was a Mongol and later Turkicized khanate that formed the north-western sector of the Mongol Empire...

, ruling for less than a year in 1257. It is not clear whether Ulaghchi was the son or the younger brother of Sartaq Khan. Mongke Khan

Möngke Khan

Möngke Khan , born Möngke, , was the fourth Great Khan of the Mongol Empire from July 1, 1251 – August 11, 1259. He was the first Great Khan from the Toluid line, and made significant reforms to improve the administration of the Empire during his reign...

 granted him the title of Khan of the Jochid Ulus (Golden Horde) as soon as Sartaq died. Ulaghchi came to power at the age of 10 under the regency of Borakchin, the khatun

Khatun

Khatun is a female title of nobility and alternative to male "khan" prominently used in the First Turkic Empire and in the subsequent Mongol Empire...

 of Batu Khan

Batu Khan

Batu Khan was a Mongol ruler and founder of the Ulus of Jochi , the sub-khanate of the Mongol Empire. Batu was a son of Jochi and grandson of Genghis Khan. His ulus was the chief state of the Golden Horde , which ruled Rus and the Caucasus for around 250 years, after also destroying the armies...

, and Sartaq's uncle, Berke

Berke

Berke Khan was the ruler of the Golden Horde who effectively consolidated the power of the Blue Horde and White Hordes from 1257 to 1266. He succeeded his brother Batu Khan of the Blue Horde and was responsible for the first official establishment of Islam in a khanate of the Mongol Empire...

. However, he died in office. H.H.Howorth noted that he abdicated in favor of his uncle Berke, because the young man sent a person named Ulaghchi to Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

 as his Lieutenant after he was enthroned.
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