High Quality Content by WIKIPEDIA articles! The Western Xia Dynasty or the Tangut Empire, was known to the Tanguts and the Tibetans as Minyak. The state existed from 1038 to 1227 CE in what are now the northwestern Chinese provinces of Ningxia, Gansu, eastern Qinghai, northern Shaanxi, northeastern Xinjiang, southwest Inner Mongolia, and southernmost Outer Mongolia, measuring about eight hundred thousand square kilometers. The state suffered from devastating destruction by the Mongols who founded Yuan Dynasty (1271-1368), including most of its written records and architecture. Its founders and history therefore remained controversial until recent research conducted both in the West and within China. They occupied the area of important trade route between North China and Central Asia, the Hexi Corridor. The Western Xia made significant achievements in literature, art, music, and architecture, which was characterized as shining and sparkling .