Gazneli Sultan Mesut had demanded help from Ali Tegin
before his enthronement and he promised Huttal in return to his help. However, Mesut did
not keep his words after his enthronement in Gazneli State. Moreover, he captured the
region of Transoxania from Ali Tegin and decided to assign Bugra Han Mahmut b. Yusuf to
this region. He sent a force in the command of Harezmshah Altuntas against Ali Tegin.
Altuntas fought against Ali Tegin in Debusiye and he was able to make a suitable agreement
although he was severely injured (1032). On the other hand, Harun who was the successor of
Altuntas collaborated with Ali Tegin against Sultan Mesut (1034). Pursuant to the death of Ali Tegin in the
same year, Yusuf replaced him. Yusuf collaborated with Harezmshah Harun and beleaguered
Tirmiz, but the death of Harun as a result of an assassination led him to retreat (1034).
Meanwhile, he offended his ally, the Seljuks. Afterwards, Yusuf applied to Sultan Mesut in
otder t make an agreement. He gave up from Huttal and wanted from Mesut to provide
mediation to reconcile with Arslan Han Suleyman b. Yusuf. Furthermore, the relationship
was resettled between these two dynasties through marriages. The outcome of Mohammed and
Bori Tegin Ibrahim who were two sons of Nasr b. Ali posed a threat for the situation of
Yusuf.
Muhammed b. Nasr was able to
settle in Ozkent in 428/1036-37. Upon the raids of Bori Tegin Ibrahim towards the cities
of Vahs and Huttal, Sultan Mesut sent forces against him, however, these forces returned
empty-handed from this expedition (1038-1039). Ibrahim got the support of Turkmen people
and captured Kish, Sogd and Bokhara that were under the dominion of Ali Tegin-sons. Ali
Tegin-sons took shelter in the side of Yusuf Kadir Khan's sons. Mohammed took the title of
great khan and got separated from Yusuf Kadir Khan together with his brother Ibrahim.
Therefore, two Karahanli States emerged as the east and west states since the years of
nearly 1041-1042.
The Western Khanate included
the regions of Transoxania and Hocend and the western Ferghana. The capital city of the
great khan was Ozkent in the beginning and then Samarkand. There were the cities of Talas,
Isficab, Sash, Ferghana, Yedi-su and Kasghar within the boundaries of the Eastern Khanate.
The capital city of this khanate was Balasagun. The religious and cultural centre of the
Eastern Khanate was Kasghar.
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