The Prince of Huainan's Rebellion: Consolidation of Centralized Power in Early Han Through Liu Chang's Uprising

Brief Introduction

The "Rebellion of the Prince of Huainan" typically refers to the incident during the reign of Emperor Wen of the Western Han Dynasty, where Liu Chang, the Prince of Huainan, violated imperial decrees and was suppressed by the court for his suspected treasonous intentions. This event was a significant political turbulence in the early Western Han, preceding the "Rebellion of the Seven States." It directly fueled the early contemplation of Emperor Wu's policy of "curbing the feudal lords" (xiao fan), holding key significance for understanding the power struggle between the central government and local princely kingdoms during the Han Dynasty. In the Book of Han (Hanshu), this event is primarily detailed in the Biographies of the Princes of Huainan and Hengshan (Huainan Hengshan Liezhuan), while scattered references can also be found in the Annals of Emperor Wen (Wen Di Ji) and the Treatise on Punishments and Laws (Xingfa Zhi).

Core Knowledge Points

1. Event Background: Hidden Dangers Under the Enfeoffment System
In the early Western Han, Emperor Gaozu (Liu Bang) extensively enfeoffed his imperial clan members as vassal kings to consolidate his rule. These vassal kings not only possessed vast territories but also enjoyed independent administrative, military, and even coin-minting powers. As the central government’s strength grew, the separatist tendencies of the vassal kings became increasingly apparent. Liu Chang, the Prince of Huainan, was the son of Liu Jia, a younger brother of Liu Bang. He was known for his violent temper and arrogant disregard for the law.

2. Liu Chang’s Transgressions
Liu Chang repeatedly violated Han laws:
* Communicating with Vassal Kings: He secretly colluded with other vassal kings, such as the King of Chu, attempting to form a coalition to oppose the central authority.
Usurping Imperial Etiquette: Within his fief, he implemented rituals comparable to those of the Emperor, such as using the Chengyu* (the exclusive carriage of the Son of Heaven).
* Signs of Treason: Liu Chang reportedly attempted to threaten the court through escape or armed uprising. There are even claims that he tried to make contact with the Xiongnu (though later historical critiques suggest this may have been exaggerated or mistransmitted, his intent to rebel was evident).

3. The Court’s Response and Outcome
Emperor Wen was deeply unsettled by this situation but did not immediately execute Liu Chang. Instead, he initially ordered Liu Chang to be transferred to a more distant fief in Shu. This order was not carried out; instead, Liu Chang was exiled to Fangling. During his journey, Liu Chang died suddenly after refusing to eat (some accounts suggest he was confined to death by the court; while the exact cause of death remains debated, it is widely regarded as a political murder tacitly sanctioned by the imperial court). His son, Liu An, the Prince of Huainan, later orchestrated a more meticulously planned "Huainan Rebellion Case" during Emperor Wu’s reign, which ultimately led to the abolition of the Huainan Kingdom.

4. Historical Impact: Strengthening of Centralized Power
The Liu Chang incident exposed the fatal weaknesses of the enfeoffment system. It prompted Emperor Wen to begin rectifying officialdom and strengthening supervisory systems. Furthermore, it provided direct historical lessons and political momentum for Emperor Wu to thoroughly resolve the issue of vassal states (through measures like the "Order of Grace" and "Curbing the Feudal Lords" edicts).

Connection to the Book of Han (Hanshu)

In Ban Gu’s Book of Han, this event is not isolated but is woven through multiple chapters:

Biographies of the Princes of Huainan and Hengshan (Huainan Hengshan Liezhuan):* This is the most core account. Ban Gu details the complex relationship between Liu Chang and his mother, Empress Lü (Lü Zhi), and how Liu Chang grew up under his mother’s protection, eventually leading to his ruin by "gathering numerous guests and attracting wicked individuals." The text specifically highlights the concrete details of his "treason," such as his attempt to assassinate the Minister of Justice (Tingwei) and forging imperial edicts, providing both legal and historical grounds for the treason charge.
Annals of Emperor Wen (Wen Di Ji):* This chapter records Emperor Wen’s reaction to the Liu Chang incident. It mentions that Emperor Wen transferred Liu Chang due to his "arrogance and lawlessness," reflecting the dilemma that "although vassal kings are nominally subjects, they are effectively hostile states." This demonstrates the gradual awakening of the idea of centralized power during Emperor Wen’s reign.
Treatise on Punishments and Laws (Xingfa Zhi) and Treatise on Food and Commodities (Shihuo Zhi): While these chapters do not directly narrate the rebellion process, they indirectly reflect the impact of vassal separatism on social order at the time, and how the court used legal instruments (such as the crimes of "filing false charges" [a dang] and "augmenting influence" [fuyi*]) to define and manage the relationship between vassals and the center.

Through a comparative reading of the Book of Han, readers can clearly see that the incident involving Liu Chang, the Prince of Huainan, was not merely a personal tragedy but a critical turning point in the Western Han’s transition from "parallel jurisdiction of commanderies and kingdoms" to "great unification." It revealed the fragility of feudal patriarchal bonds in the face of absolute imperial power, providing a vital case study for understanding the evolution of Chinese political institutions.