[3] After conquering all the states, Emperor Qin Shi Huang implemented the system of prefectures and counties in 221 BC.
[4] After the Disaster of Yongjia in 311, local ethnic groups resisted full subjugation and the central government lost its jurisdiction.
[4] After China was reunified during the Sui dynasty (589–618), Xin'an County (信安县) was formed and under the administration of Mingyang Commandery (明阳郡).
[4] Under the Tang dynasty (618–907), its name was replaced by "Xinning County" (信宁县) and under the administration of Yi Zhou (义州).
[4] In 965, the native leader Tian Jingqian (田景迁) paid allegiance to the Emperor Taizong, who declared the new Qiande period of the Song dynasty (960–1279) five years ago.
[5] In 1372, Yang Keng (杨铿), the top local official, paid allegiance to Hongwu Emperor, who set up the Ming dynasty (1368–1644) four years ago.
There are nearly 20 kinds of mineral resources, such as coal, oil shale, aluminium, iron, lead, zinc, silver, gypsum, calcite, etc.
Among them, there are four kinds of national first-class protected wild animals, including françois' langur, musk deer, leopard, and clouded leopard, and more than 30 kinds of national second-class protected wild animals, such as macaque, Tibetan macaque, large Indian civet, pangolin and golden pheasant.
[18] Daozhen Gelao and Miao Autonomous County has more than 100 species of wild plants of which 30 have state protection, such as Cathaya, Davidia involucrata, Ginkgo biloba, Taxus chinensis, Cunninghamia lanceolata, Cinnamomum camphora, etc.
Buddhism and Taoism was introduced into Daozhen Gelao and Miao Autonomous County after the conquest of Song dynasty (960–1279).
Daozhen Gelao and Miao Autonomous County touts many attractions, including the Fairy Cave (仙女洞), Dashahe Provincial Nature Reserve (大沙河省级自然保护区) and Luolong National Ecological Park (洛龙国家生态公园).