Yanmen Commandery (Qin)

Yanmen Commandery was an administrative subdivision (''jùn'') of the state of Zhao established BC and of northern imperial Chinese dynasties until AD758. It occupied lands in what is now Shanxi and Inner Mongolia. Its first seat was at Shanwu (near present-day Youyu, Shanxi); its later seats moved southeast to the more defensible sites at Yinguan (within present-day Shuozhou, Shanxi) and Guangwu (near present-day Daixian, Shanxi).

Name

The name derives from Yanmen Pass in Shanxi's Dai County. Yanmen, meaning "Wild Goose Pass". or "Wildgoose Gate", takes its name from the wild geese that migrate through the area.

History

Zhao Kingdom

Yanmen Commandery was first established around 300BC during China's Warring States period by the state of Zhao's King Yong, posthumously known as the Wuling ("Martial-&-Numinous") King.. It covered territory in what is now northern Shanxi and southern Inner Mongolia.. He created Yanmen Commandery along with its companion commanderies of Dai and Yunzhong to consolidate his conquests from invasions of the Loufan ( t s ''Lóufán'') and " forest nomads" or "barbarians" ( ''Línhú'') in 306 and 304BC. He protected these new lands by raising earthen walls along their northern border,. close to what is now Hohhot in Inner Mongolia. Garrisons and forts were also placed at strategic spots within the new territory, such as Yanmen Pass between the northern plains and the Hutuo Valley. In the mid-3rd centuryBC, the Yanmen governor Li Mu, relocated there under the command of Handan used these interior defenses and drills the commandery's citizens to minimize casualties to good effect when he lured more than 100,000 Xiongnu horsemen into the heart of the commandery before defeating them with 160,000 chariots, cavalry, and archers..

Qin Empire

Under the Qin, Yanmen was one of the commanderies which made up the principal divisions of the empire. Its seat was at Shanwu, south of present-day Youyu in Shanxi. Its territory ran from present-day Shanxi's Hequ, Wuzhai, and Ningwu Counties in the south to Inner Mongolia's Huangqi and Dai Lakes in the north; its eastern border was near Mount Heng. The Zhao wall was connected to those of the other former states as part of the Great Wall. This territory was divided into:

Western Han Empire

Under the Han, Yanmen Commandery maintained its seat at Shanwu.. It was part of the realm of Dai, used as an appanage of the imperial kings and a title of rebels like Han Xin and Chen Xi. Han-era Yanmen included the Qin-era counties above, excluding Xincheng and Wangtao, with the addition of:

Eastern Han Empire

Under the Eastern Han, the commandery seat was moved to Yinguan, present-day Xiaguancheng Village southeast of Shuozhou in Shanxi.

Wei Kingdom

During China's Three Kingdoms period, Wei moved the commandery seat to Guangwu, southwest of present-day Daixian in Shanxi. The district is recorded as having 12,600 households around AD285.

Eastern Wei

During China's Northern and Southern dynasties period, Eastern Wei had the commandery seat at Daixian in what is now Shanxi. During the 540s, the district is recorded having 30,434 people living in 6,328 households.

Sui Empire

Under the Sui, Yanmen Commandery was abolished in 583, then revived in 607. It was recorded as having 42,502 households in 609.

Tang Empire

Under the Tang, Yanmen Commandery was part of Hedong Circuit until it was abolished and replaced by Dai Prefecture in 618, although it was temporarily restored between 742 and 758. During the Tang, the name was retained as an honorary title: the generals Tian Chengsi, Tian Xu, Tian Ji'an, and Wang Zhixing were created "Prince" or "King of Yanmen" (''Yànménwáng'').

In 882, Yanmen Defense Command (''Yanmen Jiedushi'') was also briefly established to oversee local defense. It had its seat at present-day Daixian, Shanxi. In 883, its name was changed to Daibei.

Governors

* centuryBC Li Mu
* Wang Ju (王據)

References

Citations

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{{Han dynasty provinces

Former commanderies of China
Commanderies of the Qin dynasty
Commanderies of the Han dynasty
Commanderies of the Jin dynasty (266–420)
Commanderies of the Sui dynasty