 He made Xingqing (, modern Yinchuan) his capital city.In the thirteenth century, Genghis Khan unified the northern grasslands of Mongolia and led his troops in six rounds of attacks against the Western Xia over a period of twenty-two years (1205, 1207, 1209–10, 1211–13, 1214–19, 1225–27).During the last spate of the Mongol attacks, Genghis died in Western Xia territory.