Chu State

Lore & Background

According to Sima Qian’s Records of the Grand Historian, Chu’s ruling family descended from the Yellow Emperor through Zhuanxu and his great-grandson Wuhui, who served as fire deity Zhurong under Emperor Ku. Wuhui’s son Luzhong had six sons born via Caesarian section; the youngest, Jilian, adopted the surname Mi. His descendant Yuxiong taught King Wen of Zhou, and after the Zhou overthrew the Shang, King Cheng enfeoffed Yuxiong’s great-grandson Xiong Yi with Chu in the Nanyang Basin around 1042 BC. Initially centered at Danyang (modern Xichuan County, Henan), Chu later moved its capital to Ying between 695 and 689 BC. Contrary to Mencius’ portrayal of Chu as a barbarian entity, scholar Yuri Pines argues it began as a normative Zhou polity that only developed distinct cultural assertiveness during the Spring and Autumn period.

In Their Own Story

In 977 BC, King Zhao of Zhou led an expedition against Chu but drowned when his boat sank in the Han River. This disaster halted Zhou expansion southward, allowing Chu to cement its autonomy much earlier than northern states. By 863 BC, Viscount Xiong Qu overthrew the state of E and made Ezhou one of his capitals. Under King Zhuang in the seventh century BC, Chu reached its zenith as one of the Five Hegemons. After annexing Huang in 648 BC, it pushed north toward the Central Plain. Though defeated by Jin at Chengpu in 632 BC, Chu rebounded with victory at Bi in 597 BC, forcing Zheng into alliance through intimidation. Tensions eased only after a truce in 579 BC. Later, Wu invaded in 506 BC, capturing Ying and forcing King Zhao to flee until Yue, once subjugated by Wu’s Fuchai, avenged its king Goujian and annihilated Wu entirely.

Reader's Guide

Chu dominated southern China for centuries, leveraging vast territory stretching from Hubei and Hunan into parts of Chongqing, Guizhou, Henan, Anhui, Jiangxi, Jiangsu, Zhejiang, and Shanghai. Its military evolved through repeated conflicts with Jin, Wu, and eventually Qin. Early capitals included Danyang (until 689 BC) and later Ying, which fell to Bai Qi in 278 BC before the government relocated eastward to Shouchun in 241 BC. In the late 390s BC, King Dao appointed Wu Qi as chancellor. His 389 BC reforms slashed official salaries, removed useless bureaucrats, and modernized Ying’s infrastructure, temporarily restoring Chu’s power against Wei and Yue. However, Wu Qi was assassinated at King Dao’s funeral in 381 BC due to ruling-class resentment. By the late fourth century BC, corruption had returned; officials took bribes without duties, and the large but low-quality army faltered. Despite coalition efforts like the 241 BC alliance against Qin (led by Chunshen with Pang Nuan as actual commander), Chu could not withstand Qin’s pressure. After losing Ying in 278 BC and Shouchun under siege, Chu was finally eradicated in 223 BC.

Did You Know?

• Chu’s ruling family bore the ancestral surname Mi (芈), and the lineage name Xiong (熊).
• King Zhao of Zhou drowned in the Han River during a campaign against Chu in 977 BC, halting Zhou expansion southward.
• Wu Qi was assassinated at King Dao’s funeral in 381 BC after reforms that temporarily revitalized Chu’s military and administration.

Origins and Territorial Scope

Chu originated in the south of the Zhou heartland during the early eighth century BC as the first ruler, King Wu of Chu, ascended. Known alternatively as Jing or Jingchu, its territory covered most of modern Hubei and Hunan, plus parts of Chongqing, Guizhou, Henan, Anhui, Jiangxi, Jiangsu, Zhejiang, and Shanghai. The ruling house originally bore the ancestral surname Nai (later Mi) and lineage name Yan (later Xiong). For over 400 years, its capital Danyang sat at the junction of the Dan and Xi Rivers near present-day Xichuan County, Henan, before relocating to Ying. Though legends attribute Chu’s founding to descendants of the Yellow Emperor via Zhuanxu, Wuhui (Zhurong), Luzhong, and Jilian, historical records confirm King Cheng enfeoffed Xiong Yi around 1042 BC with Chu in the Nanyang Basin. Scholar Yuri Pines notes that Chu began as a normative Zhou polity, only developing unique cultural traits during the Spring and Autumn period.

Rise to Hegemony

Under King Zhuang, Chu achieved hegemonic status among the Five Hegemons of the era. Between 695 and 689 BC, it moved its capital from Danyang southeast to Ying, consolidating power by absorbing nearby states in modern Hubei before expanding north toward the Central Plain. In 648 BC, Chu annexed Huang. Conflicts with Jin led to multiple alliances against Chu; though defeated at Chengpu in 632 BC, it rebounded decisively at Bi in 597 BC. Using Zheng as a proxy through intimidation, Chu dominated central plain politics until a truce with Jin in 579 BC. This era marked Chu’s peak influence before external pressures mounted from rising states like Wu and later Qin.

Military Struggles and Resilience

In the sixth century BC, Jin strengthened Wu near the Yangtze delta to counterbalance Chu. In 506 BC, Wu invaded, winning the Battle of Boju and occupying Ying, forcing King Zhao to flee to Yun and Sui. Though he returned, another attack in 504 BC compelled a temporary move to former Ruo territory. Chu then bolstered Yue in modern Zhejiang as an ally against Wu. After Fuchai of Wu released Goujian, the latter crushed and annexed Wu entirely. Freed from Wu’s threat, Chu annexed Chen in 479 BC and overran Cai in 447 BC. Despite earlier devastation, this period showcased Chu’s resilience and strategic adaptability.

Reform Attempts and Decline

By the late fifth century BC, Chu’s government was corrupt and inefficient; treasuries funded royal extravagance while officials collected salaries without duties. The large army suffered from poor quality. In the late 390s BC, King Dao appointed Wu Qi as chancellor. His 389 BC reforms cut official pay, purged useless bureaucrats, and imposed building codes to modernize Ying. These changes temporarily strengthened Chu against Wei and Yue, with Yue partitioned between Chu and Qi in 334/333 BC. However, the ruling class resented Wu Qi, assassinating him at King Dao’s funeral in 381 BC. Though reforms revived Chu briefly, internal decay returned by the late fourth century BC. Rising powers Zhao and Qin overshadowed it until Qin completed its conquest in 223 BC.