The Execution of the Lü Clan and the Establishment of the Liu Dynasty: A Pivotal Turning Point in Han Initial Power Transition

Brief Introduction

"The Execution of the Lü Clan" refers to the political event in the early Western Han dynasty where the group of meritorious officials led by Zhou Bo and Chen Ping, jointly with the Liu imperial clan, eradicated the monopolistic rule of Empress Dowager Lü and her relatives (the Lü faction) and installed Liu Heng (formerly the Prince of Dai) as Emperor Wen on the throne. This event occurred in the early period of Emperor Wen's reign (around 180 BCE), marking the end of the Empress Lü era. It signified the return of imperial authority from the hands of in-laws to the Liu clan, serving as a key milestone in the maturation of the Han political system.

Core Knowledge Points

1. Background of the Event: Empress Lü’s Rule and the Dominance of In-laws

Lü Zhi (Empress Lü), as the empress consort of Liu Bang, controlled imperial power after Liu Bang’s death and appointed her relatives to key positions (such as Lü Chan and Lü Lu), creating a situation of "exclusive power by the Lü clan." Although she adhered to Liu Bang’s testamentary decree that "anyone who is not of the Liu clan and is made king should be attacked by the whole realm," and did not enfeoff Lü relatives as kings, her relatives occupied the core of military and political power, severely threatening the interests of the Liu imperial clan.

2. Political Maneuvers: Zhou Bo and Chen Ping’s Coup Strategy

At the time, Zhou Bo, as Grand Marshal, held military power; Chen Ping, as Chancellor, controlled the administrative center. Both knew that direct confrontation with the Lü military forces would pose an extreme risk, so they formulated a strategy to "seize military power":
* Seizing Control of the Northern Army: Zhou Bo falsely issued an imperial edict to enter the Northern Army, seizing control of the military forces and declaring that the Prince of Dai, Liu Heng, would ascend to the throne as emperor.
* Deceiving and Eliminating the Lü Clan: Chen Ping, in coordination with imperial clan members such as Liu Xiang (King of Qi), spread rumors to shake the morale of the Lü faction's troops, ultimately forcing Lü Chan and Lü Lu to hand over their military power.
* Thorough Cleanup: The Lü brothers were killed, Empress Lü’s maternal family was executed or exiled, and Empress Lü herself, confined in the palace, died shortly after in grief and disappointment.

3. Results and Impact: The Prelude to the Rule of Wen and Jing

The successful execution of the Lü clan and the installation of Liu Heng, the Prince of Dai, as Emperor Wen stabilized the Liu imperial authority. This move not only eliminated the potential danger of in-laws interfering in governance but also laid the political foundation for the subsequent "Rule of Wen and Jing," establishing a political landscape where the Liu imperial clan was the core, supported by the group of meritorious officials.

Connection to Content in the Book of Han

In the Book of Han, the "Execution of the Lü Clam" event is primarily recorded in the following chapters, reflecting Ban Gu’s integration of historical materials and evaluations:

Biography of Zhou Bo*: This chapter details how Zhou Bo, using his position as Grand Marshal, entered the Northern Army and seized control of the military by "falsely transmitting the Empress Dowager’s edict." It describes Zhou Bo displaying the imperial edict before the troops and persuading soldiers to support the Prince of Dai, highlighting his decisiveness and political tact.
Biography of Chen Ping*: This chapter focuses on Chen Ping’s strategic ingenuity during the coup. Chen Ping advised utilizing the forces of the imperial clan, specifically Liu Xiang (King of Qi) and Liu Zhang (King of Liang), to create the illusion that the Lü clan was about to launch a military rebellion. This induced Lü Chan and Lü Lu to disrupt their own troops’ morale, achieving victory without battle.
Chronicle of Emperor Hui and Chronicle of Emperor Wen*: These chapters record the circumstances surrounding Empress Lü’s death, the process of the Prince of Dai’s accession, and the disposition of the Lü clan after their execution ("all the Lü clan were executed, their three clans wiped out"). They emphasize that this action was for the sake of the Liu dynasty and possessed legitimacy.
Evaluation in the Prefatory Biographies: In the Prefatory Biographies of the Book of Han*, Ban Gu evaluates Zhou Bo and Chen Ping, stating that "with Zhou Bo’s strength and Chen Ping’s wisdom, the Liu dynasty was stabilized," affirming their crucial role in maintaining the stability of the Han regime.

Summary

"The Execution of the Lü Clan" was not only a heart-stopping struggle for power in the early Han dynasty but also the first successful case in Chinese history of ending the dominance of in-laws. Through its records in the Book of Han, it provides important political reference for later generations regarding the relationships among imperial power, meritorious officials, and in-laws, profoundly influencing the political system design of the Han dynasty and subsequent eras.