The dynasty of the Jagatai Khans collapsed in 1572 by the dismemberment of the country between rival representatives; and soon after two powerful Khoja factions, the White and Black Mountaineers (Ak and Kara Taghluk), arose, whose dissensions and warfares, with the intervention of the Kalmucks of Dzungaria, fill up the history till 1759, when a Chinese army from Ili (Kulja) invaded the country, and, after perpetrating wholesale massacres, finally consolidated their authority by settling therein Chinese emigrants, together with a Manchu garrison.
ISMID, or Isnikmid (anc. Nicomedia), the chief town of the Khoja Ili sanjak of Constantinople, in Asia Minor, situated on rising ground near the head of the gulf of Ismid.
Several petty wars were undertaken by the Russians after 1847 to destroy the Khokand forts, and to secure possession, first, of the Ili (and so of Dzungaria), and next of the Syr-darya region, the result being that in 1866, after the occupation of Ura-tyube and Jizakh, the khanate of Khokand was separated from Bokhara.
They conquered a tribe called the Wusun, who lived in the basin of the Ili river, and settled for some time in their territory.
The country belongs to China, and to the Chinese is known as Sin-kiang; but administratively the Chinese province of Sin-kiang crosses over the Tian-shan and includes the valleys of Kulja or Ili and Dzungaria on the north.
The latter (Old Kulja) 14 on the Ili river.
It comprises the valleys of the Tekez (middle and lower portion), Kunghez, the Ili as far as the Russian frontier and its tributary, the Kash, with the slopes of the mountains turned towards these rivers.
The Chinese next re-conquered East Turkestan, marking their progress by massacres and transporting 12,500 partisans of independence to the Ili (Kulja) valley.
They number nearly 20,000, and inhabit the valley of the Ili in Kulja and partly are settled in Russian Turkestan.
Again, while the Ili (Kulja) valle y lies at 1300 ft., the Issyk-kul has an altitude of 5300 ft., the Koshkar basin, in which the river Chu has its source, reaches 6070 ft., the Son-kul valley 9430 ft., the Ak-sai valley, farther east, 10,000 to 11,150 ft., and the Chatyr-kul on the north side of the Terek Mountains 11,200 ft.