Dai Commandery

File:代王城的残墙 行摄梓地.jpg, Hebei.]]

The name derives from the White Di kingdom of Dai, conquered by the Zhao family of Jin.{{sfnp|Johnston|2017|pp=[https://books.google.com/books?id=5wwmDQAAQBAJ&pg=PA170 170–1]}}

{{anchor|Zhao}}

File:Zhao.png (w{{nbsp}}"Chao"), showing the town of Dai (w{{nbsp}}"Tai") in its northeast. The commandery was organized following King Yong's military reforms and expansion into Loufan and Linhu (shown in outline to the northwest).]]

{{see also|Dai (Spring and Autumn)|Dai (Warring States)}}

Dai Commandery was first established around 300{{nbsp}}BC during China's Warring States period by the state of Zhao's King Yong, posthumously known as the Wuling ("Martial-&-Numinous") King.{{harvp|Di Cosmo|2002|p=[https://books.google.com/books?id=Vo7TmTbE-t0C&pg=PA143 143]}}. The commandery seat—then known as Dai—was southwest of present-day Yuzhou in Hebei.{{harvp|Hua & al.|2017|loc=s.v. [https://books.google.com/books?id=jUxeDQAAQBAJ&pg=PA83 "Dai zhou"]}}. It was the former capital of the independent state of Dai, which had been conquered by King Yong's ancestors around 476{{nbsp}}BC.{{harvp|Xiong|2009|loc=s.v. "[https://books.google.com/books?id=UD8Nvn7Ca18C&pg=PA105 Dai]"}}. He created Dai Commandery along with its companion commanderies of Yanmen and Yunzhong to consolidate his conquests from invasions of the Loufan (t{{nbsp}}{{nowrap|{{lang|zh|{{linktext|樓煩}}}},}} s{{nbsp}}{{nowrap|{{lang|zh|{{linktext|楼烦}}}},}} Lóufán) and "forest nomads" ({{nowrap|{{lang|zh|{{linktext|林|胡}}}},}} Línhú) in 306 and 304{{nbsp}}BC.{{sfnp|Spring|2015|p=[https://books.google.com/books?id=OfmxBgAAQBAJ&pg=PA176 176]}}

Following the Qin conquest of Zhao, Zhao Jia attempted to regroup at Dai, declaring himself its king. This Kingdom of Dai was ended by Qin in 222{{nbsp}}BC, just prior to the declaration of the Qin Empire two years later.

{{anchor|Qin}}

File:Qin Dynasty.png

Dai Commandery was one of the divisions of the Qin Empire.{{sfnp|Hou|2009}} Its seat—then known as Daixian—continued to be near present-day Yuzhou.{{harvp|Xiong|2009|loc=s.v. "[https://books.google.com/books?id=UD8Nvn7Ca18C&pg=PA106 Daijun]"}}.

File:Eighteen Kingdoms.png during the Chu-Han Contention period after the fall of Qin]]

During the interregnum following Qin's collapse, Dai was one of the Eighteen Kingdoms established by Xiang Yu. It was ruled by Zhao Xie and Chun Yu.

{{anchor|Han|Western Han}}

File:Han occidentaux 195 aC.svg China, {{c.|195}}{{nbsp}}BC]]

{{see also|Prince of Dai}}

Under the Han, Dai Prefecture formed part of the province of Bingzhou and oversaw 18 counties,{{sfn|Book of Han|loc=Vol. 28B, "Treatise on Geography", Pt. 8B}} both within and beyond the Great Wall. Along with Yunzhong and Yanmen, it also formed part of the Principality of Dai, used as an imperial appanage. The Book of Han records Dai Commandery having 278,754 people living in 56,771 households.{{sfn|Book of Han|loc=Vol. 28B, "Treatise on Geography", Pt. 8B}} The Han administration kept the seat at Daixian near present-day Yuzhou and continued the Qin-era counties (renaming "New Pingshu County" to simply "Pingshu County"), with the addition of:{{sfn|Book of Han|loc=Vol. 28B, "Treatise on Geography", Pt. 8B}}

{{anchor|Xin}}

Under the short-lived Xin dynasty established by Wang Mang, several of the Han counties were renamed.

{{anchor|Eastern Han}}

Under the Eastern Han, Dai Commandery formed part of the province of Youzhou.{{sfnp|De Crespigny|2016|p=250}} Its seat—then known as Gaoliu—was southwest of present-day Yanggao in northeastern Shanxi.

{{anchor|Wei|Cao Wei}}

During China's Three Kingdoms period, Wei returned the commandery seat to Daixian (near present-day Yuzhou, Hebei).

{{anchor|Later Yan|Northern Wei}}

{{see also|Dai (Sixteen Kingdoms)}}

During China's Sixteen Kingdoms period, both Later Yan and the Northern Wei had commanderies named Dai. Northern Wei's lay to the west, with its seat at Pingcheng (present-day Datong, Shanxi).

Separate from these, Tuoba Yilu was declared "Duke of Dai" ({{lang|zh|{{linktext|代|公}}}}) by the Jin in AD{{nbsp}}310 and (vassal) "King of Dai" by the same court in 315. This Xianbei Kingdom of Dai lasted until 376, and its dynasts were responsible for the later state of Northern Wei. It held some lands in northern Shanxi and Hebei but was mostly to their north in what is now Inner Mongolia, with their capital at Shengle (northwest of present-day Horinger).

{{main|Dai Prefecture}}

Dai Commandery continued until its abolishment under the Wen Emperor of Sui, who replaced it in 585 with Dai Prefecture, whose seat was at Guangwu or Yanmen (present-day Daixian, Shanxi).{{harvp|Xiong|2009|loc=s.v. "[https://books.google.com/books?id=UD8Nvn7Ca18C&pg=PA106 Daizhou]"}}.

{{noteslist}}

{{reflist|30em}}

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{{ref end}}

• [http://www.baike.com/wiki/代郡 《代郡》] at Baike.com {{in lang|zh}}

{{Han dynasty provinces}}

Category:Former commanderies of China

Category:Commanderies of the Qin dynasty

Category:Commanderies of the Han dynasty

Category:Commanderies of the Jin dynasty (266–420)

Category:Commanderies of the Sui dynasty