Analysis of information sources in references of the Wikipedia article "Sultan Said Khan" in English language version.
Some 400 years earlier, in ad 1527, a Yarkandi invader, Sultan Saiad Khan Ghazi (also known as Daulat Beg) of Yarkand, briefly conquered Kashmir after fighting a battle along this pass. He died in 1531 at Daulat Beg Oldi (meaning, where Daulat Beg died) at the foot of the Karakoram pass, after he was returning from an unsuccessful attempt to invade Tibet.
(p66) Daulat Beg Uild ... "The lord of the State died" ... (p67) Hydar ... wrote the Tarikhi Rashidi from which these details are derived
According to H.W. Bellew, he was no ordinary traveller but a great warrior, a partisan of Babur, the conqueror of Ferghana and the king of Yarkand and Kashgar.
Daulat Bak Oldi (the royal prince died here), close to the Karakorum pass, is so called because the Sultan Said Khan of Kashgar, on his return from a successful campaign against West Tibet, died here from mountain sickness (Plate 50)
When his Khan decided to return home because of ill health, leaving Mirza Haidar to destroy 'the idol temple of Ursang (i.e. Lhasa)', he 'set out from Maryul in Tibet, for Yarkand'. [...] He 'crossed the pass of Sakri', which must be that above Sakti (not the Kardung pass as Elias and Ross suggest), descended to Nubra and died at a camping place named Daulat Beg Uldi which is two-and-a-half hours below the Karakoram Pass.
On the 16th dhu-l-hiddjja 939/July 9th, 1533, on the way back from campaign in Minor Tibet (Ladakh) the founder of the Moghuliyya-Chaghataid state in Eastern Turkestan, Sultan Said-khan died.
Babur, the founder of the Mughal Empire, and Sa'id Khan were cousins, and the relationship was recognised in Babu'r memories. In a sense the Khanate and the Mughal Empire were built together, though there could be no military cooperation between the two, given the heights of the Hamalayas and the Karakoram Range that separated the two states.
