| Battle of Shanhai Pass | |||||||
|---|---|---|---|---|---|---|---|
| Part of theMing–Qing transition | |||||||
 Battle of Shanhai Pass | |||||||
| |||||||
| Belligerents | |||||||
| Qing dynasty Ming defenders ofShanhai Pass | Shun dynasty | ||||||
| Commanders and leaders | |||||||
| Dorgon Wu Sangui | Li Zicheng | ||||||
| Strength | |||||||
| Disputed: between 60,000 and 100,000 men[3] | |||||||
| Casualties and losses | |||||||
| Unknown | Unknown | ||||||
 | |||||||
TheBattle of Shanhai Pass, fought on May 27, 1644 atShanhai Pass at the eastern end of theGreat Wall, was a decisive battle leading to the beginning of theQing dynasty rule inChina proper. There, the Qing prince-regentDorgon allied with formerMing generalWu Sangui to defeatpeasant rebel leaderLi Zicheng, founder of the short-livedShun dynasty, allowing Dorgon and the Qing army to rapidly conquerBeijing.
As theMing dynasty declined, and the threat from northern enemies grew, Ming emperors saw the strategic value of Shanhai Pass and frequently garrisoned troops there, armies which sometimes reached up to 40,000 men. Under the rule ofHong Taiji (r. 1626–1643), the Qing were becoming more aggressive against the Ming. After an intermittent siege that lasted over ten years, Qing armies led byJirgalang capturedSongshan and Jinzhou in early 1642.[4] The garrison of Ming generalWu Sangui inNingyuan became the only major army standing between the Qing forces and the Ming capital in Beijing.[5] In the summer of 1642, a Qing army managed to cross the Great Wall and ravaged northern China for seven months before withdrawing in May 1643, with prisoners and loot, without having fought any large Ming army.[6]
In September 1643, Hong Taiji suddenly died without having named an heir.[7] To avert a conflict between two strong contenders for succession – namely Hong Taiji's eldest sonHooge and Hong Taiji'sagnate brotherDorgon, a proven military leader – acommittee of Manchu princes chose to pass the throne to Hong Taiji's five-year-old sonFulin and appointed Dorgon andJirgalang as co-regents.[8] Because Jirgalang had no political ambition, Dorgon became the prime ruler of the Qing government.[9]
Just as Dorgon and his advisors were pondering how to attack theMing, peasant rebellions were ravaging northern China and threatening the Ming capital ofBeijing. In February 1644, rebel leaderLi Zicheng founded theShun dynasty inXi'an and proclaimed himself king. In March, his armies captured the important city ofTaiyuan inShanxi.[citation needed]
Seeing the progress of the rebels, on April 5, the MingChongzhen Emperor (Zhu Youjian) requested the urgent help of any military commandant in the empire.[10] Eager to secure the loyalty of his military elite, on April 11 he granted the title of "earl" to four generals, including Wu Sangui andTang Tong [zh] (唐通).[11] Tang Tong, the only one of these new earls who was then in Beijing, reorganized the capital's defenses and, with a eunuch namedDu Xun (杜勳), went to fortifyJuyong Pass, the last stronghold protecting the northern approach to Beijing.[12] On April 22, the Ming court learned that Tang Tong had surrendered to Li Zicheng the day before and that the rebels' army was now in Changping, 65 kilometers northwest of Beijing.[13]
Li and his army reached the suburbs of the capital on April 23. Instead of mounting a full-scale attack on the city walls, Li sent the recently surrendered eunuch Du Xun to see Emperor Zhu Youjian, hoping to secure his surrender.[14] Zhu refused.[15] On April 24 Li Zicheng breached the walls of Beijing, and Zhu hanged himself the next day on theJingshan hill behind theForbidden City. Zhu was the last Ming emperor to reign in Beijing.[citation needed]
Soon after the Emperor called for help, powerful Ming generalWu Sangui left his stronghold ofNingyuan north of theGreat Wall and started marching toward the capital. On April 26, his armies had moved through the fortifications ofShanhai Pass (the eastern end of the Great Wall) and were marching toward Beijing when he heard that the city had fallen.[16] He returned to Shanhai Pass. Li Zicheng sent two armies to attack the pass but Wu's battle-hardened troops defeated them easily on May 5 and 10.[17] In order to secure his position, Li was determined to destroy Wu's army. On May 18 he personally led 60,000 troops out of Beijing to attack Wu.[17] Meanwhile, Wu Sangui was writing to Dorgon to request the Qing's help in ousting the bandits and restoring the Ming dynasty.[citation needed]
Wu Sangui's departure from thestronghold of Ningyuan had left all territory outside the Great Wall under Qing control.[18] Dorgon's Han Chinese advisorsHong Chengchou andFan Wencheng (范文程) urged the Manchu prince to seize the opportunity of the fall of Beijing to claim theMandate of Heaven for the Qing dynasty.[18] Therefore, when Dorgon received Wu's letter, he was already leading an expedition to attack northern China and had no intention of restoring the Ming. Dorgon asked Wu to work for the Qing instead. Wu had little choice but to accept.[19]
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On May 25, Li Zicheng deployed his men along the Sha River (沙河) a few kilometers west of the Shanhai Pass fortifications.[20] He could observe the battlefield from a nearby hill, accompanied by two young Ming princes whom he had taken hostage.[20] Wu Sangui assigned two trusted lieutenants to the defense of the northern and western walls of Shanhai Pass, and let gentry-led militia protect the eastern wall of the garrison.[20] He then deployed his troops near Sha River to face Li Zicheng's army.[20]
Also on May 25, Dorgon received a letter from Wu Sangui declaring that Wu was willing to surrender to the Qing in return for Dorgon's help in suppressing Li Zicheng's forces.[21] Immediately setting his troops on a forced march toward Shanhai Pass, Dorgon and the Qing army quickly covered about 150 kilometers.[21] On their way to Shanhai Pass, they ran into Tang Tong, who had been ordered to attack Wu Sangui from behind with a few hundred men.[21] The forces of the former Ming general were virtually annihilated by the Qing army, and though Tang Tong managed to escape he soon surrendered to the Qing.[21] At dusk on May 26, Dorgon's forces settled eight kilometers away from the Pass and slept in their armor until midnight, when they were awoken again to continue marching.[21] Having instructed his brothersAjige andDodo to lead two wings of ten thousand men each to protect his flanks, Dorgon led his main force toward the Pass.[21]
At dawn on May 27, the main Qing army reached the gates of Shanhai Pass, where Dorgon received Wu Sangui's formal surrender.[21] Wu Sangui asked his men to attach pieces of white cloth to their back so that the Qing forces could tell them apart from the Shun rebels.[21] Wu Sangui's forces were deployed in the vanguard and were ordered to charge the Shun army, but despite disorder in the Shun ranks, their defense line did not yield.[22] Unable to break the rebels' line, Wu's troops suffered heavy casualties.[22] HistorianFrederic Wakeman claims that by the late afternoon, Wu Sangui's army was on the verge of defeat when a "violent sandstorm" started blowing on the battlefield.[22]
Dorgon chose this moment to intervene: galloping around Wu's right flank, the Qing cavalry charged Li's left wing at Yipianshi ("Lone Rock", north of Shanhai Pass).[22] When they saw mounted warriors with shaved foreheads rushing at them out of the storm, Shun troops broke their lines and fled.[22] With their left wing shattered, the Shun army was routed; thousands of Shun soldiers were massacred as they retreated chaotically towardYongping.[23]
The number of troops that took part in the battle is unclear and has been disputed. Early Qing sources claim that Li Zicheng's army counted up to 200,000 men. ButFrederic Wakeman says such sources tend to inflate the number of Li Zicheng's troops because they wanted to emphasize the Qing's military prowess against the Shun.[24] Wakeman gives a figure of 60,000 men for Li's army, whereasFrederick Mote claims that Li had more than 100,000 troops under his command.[25]
Assessments of Wu's forces range from 40,000 to 80,000, mounting to a total of about 100,000 when counting militia units. Wakeman claims that Wu's "regular army" counted 40,000 men, but that he commanded "50,000 troops of his own" and had managed to raise 50,000 men from local militia.[24] Mote, on the other hand, states that Wu had 80,000 men garrisoned in Ningyuan when he left that city for Shanghaiguan in April 1644, and that 20,000 to 30,000 militiamen also came to him unsolicited the day of the battle of Shanhai Pass.[26] Angela Hsi, for her part, cites a contemporaneous source to argue that Wu led 40,000 troops ("one of the better military forces of the day") and that he was assisted by 70,000 residents ofLiaodong (遼東), "who were reputed to be excellent fighters."[27]
On the evening of May 27, Li and his main army stayed at Yongping (永平) on the road to Beijing while many of his officers and soldiers fled toward the capital.[28] On the next day he retreated toward Beijing, which he reached on May 31.[29] He then let his troops loot the capital's official residences and government bureaus.[30] On June 3, as a "final gesture of defiance" after his decisive defeat, Li officially declared himselfEmperor of the Great Shun at the Wuying Palace (武英殿).[31] After 42 days in Beijing, Li Zicheng set the imperial palace complex on fire and abandoned the capital to flee toward the west.[30] The Beijing population then massacred nearly two thousand rebels who had not fled.[32]
On June 5, the Beijing population prepared to welcome those who had defeated Li Zicheng. The elders and officials who went out of the city expecting to greet Wu Sangui and the Ming heir apparent were shocked when the leader of the victorious army turned out to be Prince Regent Dorgon of the Qing.[33] Dorgon and his retinue rode to Donghua Gate (東華門), an eastern gate to theForbidden City, to receive the imperial regalia; Dorgon was then escorted to Wuying Palace by the former Ming imperial bodyguards, who had previously submitted to Li Zicheng but now vowed to serve the Qing.[34] Dorgon welcomed theShunzhi Emperor to Beijing on October 19.[35] The young monarch was officially enthroned asEmperor of China on November 8, 1644, marking the moment when the Qing seized theMandate of Heaven.[36]
On May 28, Wu Sangui's Ming title of Pingxi Earl (平西伯) was raised to Pingxi Prince (平西王).[37] His troops shaved their heads and joined the main Qing forces.[37] Very soon after entering Beijing, Dorgon despatched Wu and his troops to pursue Li Zicheng.[38] Wu managed to engage Li's rearguard many times, but Li still managed to crossGuangu pass of the Great Wall intoShanxi; Wu then broke pursuit to return to Beijing.[39] Li then reestablished a power base inXi'an (Shaanxi province), where he had declared the foundation of hisShun dynasty in February 1644.[40]
After repressing revolts against Qing rule inHebei andShandong in the Summer and Fall of 1644, in October of that year Dorgon sent several armies to extirpate Li Zicheng from his Shaanxi stronghold.[41] Qing armies led byAjige,Dodo, and Shi Tingzhu (石廷柱) won consecutive engagements against Shun forces in Shanxi and Shaanxi, forcing Li Zicheng to leave his Xi'an headquarters in February 1645.[42] Li retreated through several provinces until he was killed in September 1645, either by his own hand or by a self-defense peasant group.[43]Li's wife Gao Guiying and many rebels went south to aid the southern Ming regime against the Manchu invasion.
The Qing conquest of China lasted for several more decades. Resistance to Qing rule was intensified by the "haircutting command" on July 21, 1645, which forced all Chinese men to adopt the clothing of the Manchus and shave their forehead, leaving their remaining hair tied into aqueue.[44]Zhu Youlang, the last emperor of theSouthern Ming, was killed by Wu Sangui in 1662. Wu Sangui was given a large territory in the southwest China, where he ruled for the Qing as a local feudal lord until he was recalled to Beijing in 1673. He and three other governors then rose in rebellion against the Qing. Though Wu died in 1678, the rebellion of theThree Feudatories lasted until 1681. In 1683 theKangxi Emperor (r. 1662–1722) defeated the forces ofKoxinga, the leader of the last Ming restoration movement. After this period of solidification, the Qing controlled China until 1912.[citation needed]
The battle of Shanhai Pass took place on May 27, 1644, but it was preceded and followed by a series of events that gave the battle a special historical significance. This timeline presents these events. All the dates are in 1644.