Battle of Changshao

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Battle of Changshao
Battle of Changshao.png
The overall situation of Spring and Autumn period during the Battle of Changshao
DateJanuary, 684 BC
Location
Changshao, near today's Laiwu, Shandong province of China
Result Victory of Lu
Belligerents
State of Qi State of Lu
Commanders and leaders
Unknown (not mentioned in the history record) Duke Zhuang of Lu
Cao Gui

The Battle of Changshao was a military conflict between Qi and Lu, two major principality states in Shandong Peninsula during the Spring and Autumn Period of Zhou dynasty. The battle happened in the January (lunar calendar) of 684 BC at Changshao. Lu claimed the victory under the lead of general Cao Gui (曹刿). This battle is described in detail by Zuo Qiuming in his Spring and Autumn Commentary of Zuo, but it is not mentioned in Sima Qian's book of Shi Ji. This battle is considered as a classic example of winning by good military strategies, and the widely-used Chengyu of Yi Gu Zuo Qi was derived from this battle.

Background[edit]

Duke Xiang of Qi was assassinated in 686 BC; one month later, his successor was also assassinated. Duke Xiang's younger son, Xiaobai, took the throne in the spring of 685 BC as the Duke Huan of Qi. Duke Huan's elder brother, Lord Jiu, believed that he was the right person to take the throne, so he allied with Duke Zhuang of Lu and launched a war against Duke Huan. However, the army of State of Lu was defeated by Qi in the Battle of Ganshi, and Duke Zhuang of Lu was almost killed in the battle. Realizing that State of Lu was supporting Lord Jiu, Duke Huan of Qi was annoyed. He planned to attack Lu as a revenge.

The Battle[edit]

In the spring of 684 BC, Duke Huan of Qi ordered his army to attack Lu. Cao Gui was appointed as the general of Lu to defend the state. Duke Zhuang of Lu also presented at the frontline along with Cao Gui.[1] Cao Gui asked the army of Lu to stand still in the battle formation and fortifications and not to fight back until his order. The army of Qi charged twice but the army of Lu stayed in the fortifications and did not respond. When the Qi soldiers started their third charge, Cao Gui ordered the army of Lu to launch a counter attack. At this point, soldiers of Qi was tired and could hardly concentrate, so they were defeated. [2]Duke Zhuang of Lu immediately ordered soldiers of Lu to chase the fleeing Qi army. Cao Gui accepted the order after making sure that there was no ambush. Qi army was completely destroyed and expelled out of the border.[3][4]

References[edit]

  1. ^ Spring and Autumn Commentary of Zuo:公曰:「小大之獄,雖不能察,必以情。」對曰:「忠之屬也,可以一戰。」
  2. ^ Spring and Autumn Commentary of Zuo:戰于長勺。公將鼓之,劌曰:「未可」。齊人三鼓,劌曰:「可矣。」齊師敗績。
  3. ^ Spring and Autumn Commentary of Zuo:公將馳之,劌曰:「未可。」下視其轍,登軾而望之,曰:「可矣。」遂逐齊師。
  4. ^ Spring and Autumn Commentary of Zuo:既克,公問其故。對曰:「夫戰,勇氣也,一鼓作氣,再而衰,三而竭。彼竭我盈,故克之。夫大國 (齊) ,難測也,懼有伏焉。吾視其轍亂,望其旗靡,故逐之。」同段有關追擊的分析亦出自此文。

See also[edit]