He captured it in 1215, but it was not till 1284 that it was adopted as the imperial residence in lieu of Karakorum in the Mongol steppes by his grandson Kublai.
1246; and, after some stay, went on to the camp of the y great khan near Karakorum in central Asia, and returned safely in the autumn of 1247.
At nearly the same time Hayton, king of Armenia, made a journey to Karakorum in 1254, by a route far to the north of that followed by Carpini and Rubruquis.
On arrival at the supreme Mongol court - either that on the Imyl river (near Lake Ala-kul and the present Russo-Chinese frontier in the Altai), or more probably at or near Karakorum itself, south-west of Lake Baikal - Andrew found Kuyuk Khan dead, poisoned, as the envoy supposed, by Batu's agents.
Nothing came of either of these missions; but through them Europe first began to know the interior of Asia, for Carpini was conducted by the Mongols as far as Karakorum, the capital of the great khan, on the borders of China.