From Court Chaos to the Lü Clan Purge in Early Han [Western Han]

Chaos in the Imperial Court

After founding the Han dynasty, Emperor Gaozu (Liu Bang) faced a new kind of disorder – not from enemies, but from his own comrades. His earliest followers from Pei and Feng counties were rough soldiers, not courtiers. At banquets in the palace, they boasted of wartime exploits, argued loudly, and even drew swords to slash pillars and tables in drunken revelry.

Gaozu grew uneasy. How could an emperor command respect if his court resembled a battlefield?

Enter Shusun Tong, a former Qin dynasty scholar-official who had wisely shed his Confucian robes to win Gaozu’s trust during the rebellion. Now that Liu Bang was emperor, Shusun Tong proposed a solution:

“Let me gather Confucian scholars from Lu, the land of rites, and draft a proper court protocol.”

Gaozu agreed – but with a condition:”Make it simple enough for me to learn.”

Shusun Tong crafted a system based on Qin-era imperial dignity, emphasizing hierarchy and reverence. For over a month, ministers drilled outside the capital under his command.

When Gaozu inspected the rehearsal, he nodded:”Even I can do this.”

The Majesty of Order: New Year at Chang’an Palace

In 200 BCE, the newly completed Changle Palace hosted its first grand New Year audience. On Lunar New Year’s Day, officials lined up by rank, bowing, rising, drinking, and speaking in strict accordance with ritual.

Gaozu gazed upon the silent, orderly hall – no shouting, no swordplay – and beamed. Overwhelmed, he declared:

“Only today do I understand the true majesty of being Emperor!”

The chaos of warlords was replaced by the solemnity of sovereignty.

White Mountain Peril and the Rise of Internal Threats

Yet peace remained fragile. Weeks later, the Xiongnu invaded from the north. Gaozu led 300,000 troops into the bitter cold of Pingcheng (modern Datong, Shanxi) – only to be lured into a trap and surrounded on Baideng Mountain for seven days.

Saved only by Chen Ping’s bribery of Xiongnu insiders, Gaozu escaped. Thereafter, he adopted the “Heqin” (marriage alliance) policy, sending a palace woman as a bride to the Xiongnu chanyu to buy temporary peace.

Back home, Xiao He established administrative systems, bringing governance to the realm. But a deeper danger loomed: the feudal kings – once loyal generals – now dreamed of carving out their own kingdoms, some even eyeing the throne itself.

The Fall of Han Xin: Betrayal in the Capital

In 197 BCE, Chen Xi, governor of Dai, rebelled. Gaozu summoned Han Xin and Peng Yue – but both feigned illness.

While Gaozu fought Chen Xi in the north, Empress Lü and Xiao He received secret reports: Han Xin had conspired with Chen Xi, planning an internal uprising.

They devised a ruse: a false messenger announced Chen Xi’s defeat and the emperor’s imminent return. All ministers celebrated – except Han Xin.

Xiao He personally coaxed him to court:”You must attend, or suspicion will grow.”

The moment Han Xin entered the palace, hidden guards seized him. Xiao He vanished. Lü Zhi confronted him with “confessions” from Chen Xi. Without trial, Han Xin was executed.

When Gaozu heard the news, he felt a pang of regret – but also relief. One threat removed.

Peng Yue and the Iron Will of Empress Lü

Within months, Peng Yue was accused of plotting rebellion. Gaozu, wary of appearing tyrannical after Han Xin’s death, spared his life and exiled him to Shu.

But en route, Peng Yue begged Empress Lü to let him return to his hometown. She agreed – and brought him back to Luoyang.

Gaozu scolded her:”Why bring him back?”
Lü shot back:”Exiling a tiger to the mountains? Better kill him!”

Gaozu relented. Peng Yue was executed, his body mutilated – a warning to all.

Ying Bu’s Revolt and the Emperor’s Last Battle

Ying Bu, King of Huainan, watched his fellow marshals fall. Convinced his turn was next, he rebelled in 196 BCE, declaring:
“Gaozu is old. Han Xin and Peng Yue are dead. Who remains to stop me?”

He crushed the King of Jing, routed the King of Chu, and seized vast territories. Gaozu, though ill, marched personally.

At the battlefield, he challenged Ying Bu:”I made you a king – why rebel?”
Ying Bu retorted:”Didn’t you rebel against Xiang Yu? If you can be emperor, why not I?”

In the ensuing clash, Gaozu took an arrow to the chest – but pressed on, routing Ying Bu’s army. Ying Bu fled, only to be assassinated en route to Changsha.

Returning to Chang’an, Gaozu’s wound festered. Knowing death neared, he gathered his closest ministers in 195 BCE and sacrificed a white horse to swear a covenant:

“No non-Liu shall be king; no man without merit shall be marquis. Violators shall be attacked by all under heaven!”

Then, at 63, Emperor Gaozu died – leaving a unified empire, but a fragile succession.

The Lü Clan Ascendancy and the Boy Emperors

His son, the gentle Emperor Hui, proved weak. Real power fell to Empress Dowager Lü.

When Hui died childless in 188 BCE, Lü staged a deception: she passed off a palace-born infant as the empress’s son, installing him as Young Emperor – then murdered the real mother.

By 184 BCE, the boy learned the truth and vowed revenge. Lü had him killed and installed another child, Liu Hong, as puppet emperor.

To secure control, Lü defied Gaozu’s oath: she posthumously ennobled her father, then made her nephews kings, carving out the Lü Kingdom from Qi territory.

When Right Chancellor Wang Ling protested – citing the White Horse Oath – Lü dismissed him. Chen Ping and Zhou Bo, however, acquiesced:”The Empress rules – why not honor her kin?”

The Downfall of the Lü Clan

On her deathbed in 181 BCE, Lü entrusted the Northern and Southern Armies to her nephews Lü Lu and Lü Chan, warning:”Don’t attend my funeral – stay in the palace and guard against coup.”

But the plan unraveled. Liu Zhang, Marquis of Zhuxu and son-in-law of Lü Lu, learned of the plot and alerted his brother, King Liu Xiang of Qi, who marched westward, denouncing the Lü clan.

The loyal general Guan Ying, sent to stop Qi, instead joined the resistance, halting at Xingyang to await the right moment.

Inside Chang’an, Zhou Bo and Chen Ping tricked Li Ji (son of Li Shang) – a friend of Lü Lu – into persuading him to surrender the Northern Army.

Once in command, Zhou Bo addressed the troops:

“Choose now: support the Lü – or the Liu. Left sleeve bare for Liu; right for Lü!”

Every soldier bared his left arm.

With the Northern Army secured, Liu Zhang blocked Lü Chan from entering the palace to seize the imperial seal. In the courtyard, Liu Zhang killed Lü Chan.

The Lü clan collapsed overnight.

The Dawn of Wen: Restoration of the Liu Line

With the Lü purged, ministers debated succession. Many favored Prince Heng of Dai – Gaozu’s eldest surviving son, known for virtue, and whose mother, Lady Bo, held no political faction.

In 180 BCE, Liu Heng ascended the throne as Emperor Wen, ushering in the Rule of Wen and Jing – an era of peace, frugality, and Confucian governance.

The White Horse Oath was honored. The Liu dynasty endured.

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