Datong

The area of present-day Datong was close to the state of Dai, which was conquered by the Zhao clan of Jin in 457 BC. It was a frontier land between the agricultural Chinese and the nomads of the Great Steppe. The area was well known for its trade in horses. The area of present-day Datong eventually came under the control of the Qin dynasty, during which it was known as Pingcheng County (平城县) and formed part of the Qin commandery of Yanmen. Pingcheng County continued under the Han dynasty, which founded a site within present-day Datong in 200 BC following its victory against the Xiongnu nomads at the Battle of Baideng. Located near a pass to Inner Mongolia along the Great Wall, Pingcheng blossomed under Han rule and became a stop-off point for camel caravans moving from China into Mongolia and beyond. It was sacked at the end of the Eastern Han. …

Datong is the northernmost city of Shanxi, and is located in the Datong Basin, with an administrative area spanning latitude 39° 03'–40° 44' N and longitude 112° 34'–114° 33' E. The urban area is surrounded on three sides by mountains, with passes only to the east and southwest. Within the prefecture-level city elevations generally increase from southeast to northwest. Datong borders Ulanqab (Inner Mongolia) to the northwest and Zhangjiakou (Hebei) to the east, Shuozhou (Shanxi) to the southwest, and Xinzhou (Shanxi) to the south. The well-known Datong Volcanic Arc lies nearby in the Datong Basin. It is 250 kilometres (160 mi) west of Beijing. Datong has a continental, monsoon-influenced steppe climate (Köppen BSk), influenced by the 1,000 metres (3,300 ft)+ elevation, with rather long, cold, very dry winters, and very warm summers. Monthly mean temperatures range from −10.5 °C (13. …

Datong is known for its knife-cut noodles and Shanxi mature vinegar.