Battle of Jiangnan (1860)
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|Second rout the Army Group Jiangnan|
|Part of the Taiping Rebellion|
| Qing Dynasty
Green Standard Army
|Taiping Heavenly Kingdom|
|Commanders and leaders|
| †Chief commander Zhang Guoliang
†Imperial Commissioner Her Chyun
General Zhang Youliang
|Chief commander Li Xiucheng
Vice chief commander Chen Yucheng
|180,000 men||360,000 men|
|Casualties and losses|
|~40,000 military personnel kia; 100,000 captured||8,000 KIA|
The Battle of Jiangnan in 1860, also known as the Second Rout of the Jiangnan Army Group (Chinese: 太平軍二破江南大營; 1857–1860) was a battle between the Qing government's Green Standard Army and the army of the Taiping Rebellion. The Green Standard Army twice attempted to besiege Nanking, capital of the Taiping Heavenly Kingdom, but was defeated on both occasions by the rebels.
Li's daring act attracted the attention of Zhang Guoliang who ordered Gen. Tidu Zhang Youliang (張玉良), in command of 36,000 troops, to track Li's corps. Li routed Zhang's troops and crippled the Army Group Jiangnan. When Zhang Youliang arrived in Hangzhou he believed that Li was occupying the city but Li's corps had left two days earlier on March 19 and attacked another city while waiting for reinforcements.
In Nanjing Hong Rengan ordered Chen Yucheng's troops to cross the river. Chen commanded over 100,000 men along the river and on 29 April he received the signal to attack from Hong Rengan and began the crossing.
When Chief commander Zhang Guoliang and Imperial Commissioner Her Chyun died the Qing government promoted Zeng Guofan. This changed the course of the war in favor of the Qing and their western allies.