Jinghai Circuit Tĩnh Hải quân 靜海軍
866–967
Jinghai Circuit at the bottom in modern Northern Vietnam and Southern China
Status	Fanzhen of the Tang dynasty (866–880) Semi-independent jiedushi nominally under Tang dynasty (905–938) Independent kingdom (939–967)
Capital	Đại La (Hanoi) (866–939) Cổ Loa (939–967)
Common languages	Middle Chinese, Old Vietnamese, Muong
Religion	Vietnamese folk religion, Buddhism, Taoism
Government	Military governor (866–938) Monarchy (939–967)
Historical era	Postclassical Era
• Established	866
• Disestablished	967
Preceded by Succeeded by Annan (Tang protectorate) Đại Việt Đinh dynasty Dali Kingdom

History of Vietnam (by names of Vietnam)

2879–2524 BC Xích Quỷ (mythological) 7th century–258 BC Văn Lang 257–179 BC Âu Lạc 204–111 BC Nam Việt 111 BC – 40 AD Giao Chỉ 40–43 Lĩnh Nam 43–203 Giao Chỉ 203–544 Giao Châu 544–602 Vạn Xuân 602–679 Giao Châu 679–757 An Nam 757–766 Trấn Nam 766–866 An Nam 866–968 Tĩnh Hải quân 968–1054 Đại Cồ Việt 1054–1400 Đại Việt 1400–1407 Đại Ngu 1407–1427 Giao Chỉ 1428–1804 Đại Việt 1804–1839 Việt Nam 1839–1945 Đại Nam 1887–1954 Đông Dương 1945– Việt Nam Main template History of Vietnam v t e

Tĩnh Hải quân or Jinghai Circuit (Chinese: 靜海軍, pinyin: Jìnghǎi Jūn) (literally "Peaceful Sea Army"), also known as Annan or An Nam (Chinese: 安南; lit. 'Pacified South'), was an administrative division of the Tang dynasty of China administered by Chinese governors, which then later became a quasi-independent regime ruled by successive local Vietnamese warlords and monarchs. It was centered around what is now northern Vietnam from 866 to 967 during the late Tang period and lasted until the late Five Dynasties and Ten Kingdoms period when Đinh Bộ Lĩnh established the Đinh dynasty.

Jinghai Circuit (Tĩnh Hải quân) was created in 866 by the Chinese general Gao Pian as a Tang fanzhen ("buffer town") in the former Annan Duhufu (Protectorate General to Pacify the South) after retaking it from Nanzhao, which had invaded and captured the area in 863.^[1] The area of the command was sometimes referred to as "circuit" (道 dao). In 875, the Huang Chao rebellion broke out in northern China. In 879, the rebels sacked Guangzhou, headed north, bypassing Guangxi and northern Vietnam. A campaign against local aboriginals in Jinghai was conducted from 874 to 879.^[2] In 880, the army in Đại La mutinied, forcing the commander Zeng Gun to flee north, ending de facto Chinese control. Tang troops returned north in small groups of their own initiative.^[3] From 880 to 905, named holders of the post never actually governed Jinghai. In 904, Zhu Wen's brother Quanyu tried to enter the region but was immediately dismissed the next year for being "stupid and without ability."^[4]

In 905, the native chief Khúc Thừa Dụ of the Khúc clan came to power and proclaimed himself jiedushi.^[5] In 907, his son Khúc Hạo (Chu Hao) succeeded as governor and was recognized by the Later Liang dynasty in northern China.^[6] In southern China, the powerful Liu Yin ruled over Guangzhou and was a close ally of Zhu Quanzhong. In 908 Khúc Hạo sent his son Khúc Thừa Mỹ to Guangzhou to gather information on the Liu family. When Liu Yin died in 911, Thừa Mỹ sent gifts to the Later Liang court by a naval envoy from the Min Kingdom. In the fifth month of the year, Liu Yin's brother and successor was named military governor at Guangzhou only. In the last month of the year, an imperial envoy arrived at Đại La to confirm Thừa Mỹ as military governor there. The Vietnamese Khúc family maintained a relationship with the Later Liang court through the Min state in Fujian. Wang Shenzhi called Thừa Mỹ's envoys "southern barbarian merchants".^[7]

In 917, Liu Yan proclaimed himself emperor of Southern Han. In 923, the Later Liang dynasty collapsed, so the Khúc family could no longer look north for legal and moral support. The Southern Han at Guangzhou controlled all of the Xi River basin; they were eager to add Tĩnh Hải quân to their realm and to reassemble the ancient inheritance of Zhao Tuo’s kingdom of Nanyue.^[8] In October 930, Liu Yan sent an army to occupy Đại La and met no resistance. Khúc Thừa Mỹ was captured and taken to Guangzhou, where he was allowed to live out his days quietly.^[8][9] In 931, a former vassal of the Khúc family, Dương Đình Nghệ from Aizhou (modern-day Thanh Hoá and Nghệ An), raised a 3,000-men army of retainers whom he called his adopted sons. Dương Đình Nghệ attacked the Southern Han army. The Southern Han general, Cheng Bao, failed to retake Tĩnh Hải from Dương Đình Nghệ and therefore he was decapitated.^[10]

Dương Đình Nghệ ruled Tĩnh Hải for 6 years. In 937, he was assassinated by Kiều Công Tiễn, a military subject who had given his allegiance to the Southern Han state and seized power.^[10][6] Ngô Quyền, a former general and son-in-law of Dương Đình Nghệ, marched north from Ai to avenge the death of his patron.^[11] The pro-Southern Han Kiều Công Tiễn called Liu Yan for help. Liu Yan placed his own son, Liu Hongcao, in command of the expedition, granting him the titles Jinghai jiedushi and King of Jiao, sailed to the coast of Annam and headed inland up the Bạch Đằng River, a northern arm of the Red River delta, to confront Ngô Quyền. Liu Yan himself set out from Guangdong, following his son's fleet with additional forces.^[12][13] In late 938, Ngô Quyền defeated the Southern Han fleet on the river by using barriers of sharpened stakes. When hearing the news that Liu Hongcao was killed, Liu Yan cried bitterly and withdrew his own fleet and returned to Guangzhou.^[14][12]

In February 939, Ngô Quyền abolished the title of military governor and proclaimed himself king, with the ancient town of Cổ Loa as his royal capital.^[15][6] Although he had defeated the Chinese dynasty of Southern Han, the government Ngô Quyền established afterward still largely followed a Chinese template down to the color of dress, which increasingly alienated his Viet subjects.^[16] He died in 944 and was succeeded by his brother-in-law Dương Tam Kha, who styled himself the "King of Peace" (Binh Vuong). Tam Kha was part of the anti-Chinese faction while Ngô Quyền's sons were still part of the Chinese-influenced elite. Ngô Quyền's eldest son, Ngô Xương Ngập, fled to the Nam Sách River area, which was the center of Chinese settlement and influence, and enlisted the help of Pham Bach Ho, a prominent member of a local noble family. He was also aided by Kiều Công Hãn, who came from the same family as Kiều Công Tiễn and held a grudge against the Dương family. Tam Kha tried to manipulate Ngô Quyền's second son, Ngô Xương Văn, by adopting him and making him a military leader. In 950, Xương Văn enlisted the aid of Đỗ Cảnh Thạc and deposed Tam Kha. Xương Văn declared himself the "King of Southern Jin" in imitation of Chinese dynasties. In 951, Xương Văn invited his brother Xương Ngập to rule alongside him but Xương Ngập usurped his rule and declared himself "King of the Heavenly Plan" (Thien Sack Vuong). Ngập died in 954 and Văn returned to the throne. He sent envoys to Guangzhou bearing tribute and requesting credentials from Southern Han. However Xương Ngập then cancelled a visit from a Southern Han official before he could arrive.^[15][17]

From 951, Duke Đinh Bộ Lĩnh of Hoa Lư began challenging royal authority. As the two kings prepared to march against Hoa Lư, Bộ Lĩnh sent his son Đinh Liễn as a hostage of good faith. The Ngô brothers responded by denouncing Bộ Lĩnh for not coming in person, securing Liễn, and proceeding to attack Hoa Lư.^[18] After Liễn escaped back to Hoa Lư, Bộ Lĩnh moved to make an alliance with Trần Lãm, a merchant and warlord of Cantonese origin.^[18] In 965, king Xương Văn campaigned against a pair of villages on the border of Phong. While observing the battle from a boat in the river, he was shot and killed by a crossbowman lying in ambush.^[19][17] After Xương Văn's death, warlords across northern Vietnam enlisted their own armies and took control the land. The kingdom dissolved into civil war, known as the Anarchy of the 12 Warlords.^[20] In the same year, Bộ Lĩnh subdued and mobilized Ô man tribes in the west, then attacked warlord Ngô Nhật Khánh in Sơn Tây with 30,000 troops.^[21] Having gained the submission of Ngô Nhật Khánh, the grandson of Ngô Quyền, Bộ Lĩnh's force marched northwest in 966 and defeated warlord Kiều Công Hãn. Two years later, he defeated all the warlords, proclaimed himself emperor of Đại Cồ Việt or Đại Việt and moved the Vietnamese capital to Hoa Lư.^{[22][23][24][25][26]}

• Giao Châu (Chinese: Jiāozhōu/交州)
• Lục Châu (Chinese: Luózhōu/羅州)
• Vũ An Châu (Chinese: Wǔānzhōu/武安州)
• Phong Châu (Chinese: Fēngzhōu/峰州)
• Trường Châu (Chinese: Chángzhōu/長州)
• Ái Châu (Chinese: Àizhōu/愛州)
• Diễn Châu (Chinese: Yǎnzhōu/演州)
• Hoan Châu (Chinese: Huānzhōu/驩州)
• Phúc Lộc Châu (Chinese: Fúlùzhōu/福祿州)

• Gao Pian (高駢) (864–866)
• Wang Yanquan (王晏權) (866)
• Gao Pian (866–868)
• Gao Xun (高潯) (868–873)
• Zeng Gun (曾袞) (878–880; last Chinese jiedushi actually stationed at post)
• Gao Maoqing (高茂卿) (882)
• Xie Zhao (謝肇) (884)
• An Youquan (安友權) (897–900)
• Sun Dezhao (孫德昭) (901)
• Zhu Quanyu (朱全昱) (905)
• Dugu Sun (獨孤損) (905)
• Liu Yin (劉隱) (908–911, appointed by Later Liang but never assumed office)^[27][28]
• Liu Yan (劉龑) (913?^[28]–917, appointed by Later Liang but never assumed office)
• Liu Hongcao (劉弘操) (938, appointed by Southern Han; killed in action)

• Khúc Thừa Dụ (905–907)
• Khúc Hạo (907–917) (de facto; recognized by Later Liang from 907 to 908)
• Khúc Thừa Mỹ (917–930)
• Dương Đình Nghệ (931–937; self-proclaimed)
• Kiều Công Tiễn (937–938; self-proclaimed)

• Ngô Quyền (939–944); proclaimed as the Grand Prince
• Dương Tam Kha (944–950)
• Ngô Xương Ngập (950–954) and Ngô Xương Văn (950–965; co-rulers)
• Ngô Xương Xí (965–966)
• Đinh Tiên Hoàng (968-979); proclaimed as Emperor of Đại Cồ Việt (Đinh dynasty)
• Đinh Liễn; son of Đinh Tiên Hoàng, he received the titular Jiedushi of Tĩnh Hải in 973 and promoted to the title Prince of Jiaozhi by the Song emperor from 975 to his death in 979.

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