Name: Battle of Dongshixia Mountain Valley
Location: East Shixia Valley (now Qian 'an East, Hebei Province)
Time: March, the first year of Tang Wuhou's magical power (697)
Results: In this campaign, the Khitan relied on favorable terrain and made full use of the advantage of cavalry's rapid mobility to lure the enemy into depth, annihilate the enemy in danger, and attack and plunder Hebei in the south, which caused great difficulties to Wuhou regime.
Tang Jun, Khitan and Xi.
Related person: Sun Wanrong.
The Battle of Dongshixia Valley refers to the battle in which Sun Wanrong, the leader of the Qidan, led an army to annihilate Wang Xiaojie, the general manager of the Qing Dynasty frontier in Dongshixia Valley (now northeast of Qian 'an, Hebei) in March of the first year of Emperor Taizong's reign.
Battle details
After the war between Qidan and Huangguyu in the Tang Dynasty, Wu Zetian, in order to save the defeat, called all the prisoners and servants who were brave enough to be soldiers in September of the first year of Tian Tong (696), and ordered Shandong (Taihang Shandong) to organize Wu Tuan soldiers near the frontier States, with General Right Wuwei and Jian 'an Wang Youyi as the chief of Qingbian Road Army and led the army to crusade against Qidan. At this time, the East Turkic Khan was asked to be the son of the marquis of Wu, and proposed to his daughter. At the same time, he asked to return the Turkic family and was willing to lead the people to crusade against the Khitan. Wuhou named Moxipu as a general and moved to Khan. 122, Li Dezhong, the leader of the Khitan, was succeeded by his brother-in-law Sun Wanrong. Silent took a sip, took the opportunity to raid Songmo DuDu House (northwest of Wengniute Banner, Inner Mongolia) and captured his loyal wife and son. Wanrong incorporated the rest, and the military situation revived. That is, Luo Wuquan, a pioneer, rode south to conquer Jizhou (now Jixian County, Hebei Province), killed the secretariat and slaughtered thousands of officials and people. Then Yingzhou (now Hejian, Hebei Province) was attacked as a county, which greatly shook Hebei Province.
Wu Zetian urged Xia Guan Shangshu Wang Xiaojie and Yu General Su Honghui to lead an army of 1.8 million (1.7 million) to crusade against the Khitan. In March of the first year of siddhi, Wang Xiaojie led an army to Dongshixia Valley to join forces with the Qidan Army. Because of the difficult road, Xiao Jie had to fight hard with elite soldiers. The Khitan army pretended to retreat to lure the enemy, and Xiaojie led his troops to follow up. Qidan immediately returned to the army to fight back. After that, General Hong Hui did not dare to escape first. Qidan took advantage of the Tang reinforcements to kill them. Xiaojie fell off a cliff and died, so did Tang Jun. Wu Youyi's army was defeated by Wen Xiaojie in Yuyang (now Jixian County, Tianjin) and dared not enter. Wan Rong then marched into Youzhou (governing Jixian County, now southwest of Beijing), captured the city and plundered the officials and people. Wu Youyi sent his troops to attack, but he could not resist.
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In this campaign, relying on favorable terrain and making full use of the characteristics of cavalry's rapid mobility, the Khitan lured the enemy into depth, annihilated the enemy in danger, marched south and fought north, and plundered Hebei, which caused great difficulties to the Wuhou regime.