Battle of Julu cripples Qin military power
Labels: Battle of, Xiang YuAt Julu, insurgent forces led by Xiang Yu defeated Qin armies, sharply weakening Qin’s ability to suppress rebellions and accelerating the dynasty’s downfall.
Qin Dynasty (221–206 BCE)
Zhao Gao coup; Qin Er Shi killed
Labels: Zhao Gao, Qin ErAs rebellions spread, Zhao Gao moved against the emperor; Qin Er Shi was killed in the ensuing coup, deepening the state’s leadership crisis.
Ziying becomes King of Qin; Zhao Gao killed
Labels: Ziying, Zhao GaoZiying briefly ruled as King of Qin (the title reverted from “emperor” due to Qin weakness) and eliminated Zhao Gao, but the regime remained militarily and politically untenable.
Ziying surrenders at Xianyang, ending Qin rule
Labels: Ziying, XianyangWith Qin authority collapsing, Ziying surrendered to Liu Bang at Xianyang; soon after, the Qin dynasty’s political control ended and the Chu–Han struggle continued.
Dazexiang uprising sparks broader anti-Qin revolt
Labels: Dazexiang Uprising, Chen ShengThe Chen Sheng and Wu Guang uprising (Dazexiang) erupted and helped ignite wider rebellions against Qin rule, marking a decisive turn toward imperial collapse.
Qin Er Shi enthroned as Second Emperor
Labels: Qin Er, Zhao GaoThrough court intrigue involving Zhao Gao and Li Si, Huhai became Qin Er Shi (Second Emperor), whose reign saw intensified repression and accelerating instability.
Death of Qin Shi Huang during eastern tour
Labels: Qin Shi, eastern tourThe First Emperor died while traveling; succession was contested and the transition set the stage for rapid political crisis and rebellion.
Epang Palace construction begins near Xianyang
Labels: Epang Palace, XianyangConstruction started on the enormous Epang (Efang) Palace complex; archaeological work suggests only limited portions were completed before the Qin collapse.
Book-burning edict issued under Qin Shi Huang
Labels: Book Burning, Qin ShiTo curb heterodox political thought, the Qin court ordered the destruction of many privately held texts (with some utilitarian exceptions), one of the dynasty’s most notorious censorship actions.
Lingqu Canal ordered for southern campaigns
Labels: Lingqu Canal, logisticsThe court ordered construction of the Lingqu Canal linking the Xiang and Li rivers, supporting logistics for Qin expansion into the south and improving internal transport routes.
Meng Tian’s Ordos campaign against the Xiongnu
Labels: Meng Tian, Ordos CampaignQin Shi Huang dispatched General Meng Tian to drive the Xiongnu from the Ordos region, securing a northern frontier that helped shape Qin defensive wall-building efforts.
Qin completes unification; First Emperor proclaimed
Labels: Qin Unification, Qin ShiAfter conquering the remaining Warring States, the Qin ruler Ying Zheng unified China and adopted the new imperial title Qin Shi Huangdi (“First Emperor”), founding the Qin Empire.
Commandery–county administration replaces feudal order
Labels: Commandery county, centralizationThe Qin central government extended direct rule through prefectures/commanderies and counties, appointing officials from the center and strengthening imperial control across the newly unified realm.
Empire-wide writing standardization promulgated
Labels: Writing Standardization, small sealThe Qin state promoted a standardized script (commonly associated with small seal script) to reduce regional variation and support administration, law, and taxation across the empire.
Mausoleum construction begins at Mount Li
Labels: Mausoleum, Mount LiWork began on the First Emperor’s vast mausoleum complex near modern Xi’an (Lintong), a multi-decade project later associated with the terracotta warrior pits.
Terracotta Army discovered by farmers near Xi’an
Labels: Terracotta Army, Xi'anFarmers digging a well found terracotta fragments that led to the discovery of the Terracotta Army, transforming modern understanding of Qin imperial funerary practice and material culture.
Timeline
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Qin Dynasty (221–206 BCE)
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