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| Eastern Zhou | |
|---|---|
| Year start | 770 BC |
| Year end | 256 BC |
| Predecessor | Western Zhou |
| Successor | Qin |
Eastern Zhou The Eastern Zhou was the latter period of the Zhou dynasty (770–256 BC), marking a shift in royal authority from the Zhou kings at Haojing to a new court at Luoyi. It comprises the Spring and Autumn period and the Warring States period, during which regional polities such as Qi, Chu, Jin, Qin, Zhao, Wei, and Han rose in prominence. The era witnessed transformations in diplomacy, military organization, economic structures, and intellectual life centered on figures like Confucius, Laozi, Mozi, Han Fei, and Mencius.
The decline of Western Zhou culminated in the sack of Haojing and the murder of royal personages during the Quanrong raids, prompting the relocation of the royal seat to Luoyi under King Ping. The transfer weakened the ritual and political authority of the Zhou kings as feudal lords such as Duke Huan of Qi, Duke Wen of Jin, and later hegemonic rulers like Duke Xiang of Song and the houses of Zhou vassals asserted autonomy. Internal fragmentation accelerated as aristocratic lineages including Ji branches and regional clans contested succession and territorial control, setting the stage for the competing principalities of the Spring and Autumn and Warring States periods.
Eastern Zhou politics evolved from feudal rituals to centralized states. During the Spring and Autumn period, hegemonic leaders—Duke Huan of Qi, Duke Wen of Jin, Duke Xiang of Song—organized interstate coalitions evident in assemblies at Chunqiu-era meetings. The Warring States period saw the consolidation of seven major powers: Qin, Chu, Qi, Yan, Zhao, Wei, and Han, each implementing reforms by figures such as Shang Yang in Qin and Wu Qi in Chu. Smaller polities like Zhongshan, Zou, Song, Lu, and Wey were absorbed or subordinated through annexation and diplomatic subordination.
Military innovation accelerated with the adoption of mass conscription, crossbow technology, and cavalry reforms influenced by interactions with northern steppe groups like the Rong and Di. Major conflicts included the battles of Maling, Changping, and campaigns such as Qin's conquest of Shu and Ba leading to trajectories of unification. Diplomatic practice shifted from ritualized conference assemblies to legalist and strategic diplomacy epitomized by the He Zun agreements, the Alliance System of the Spring and Autumn hegemons, and later stratagems documented in works like the Zhan Guo Ce. Envoys, hostage exchanges, and marriage alliances involving houses like Zhao and Wei shaped interstate calculus.
Agricultural intensification, iron and bronze metallurgy diffusion, and irrigation projects boosted productivity in regions such as the North China Plain and the Yangtze River Delta. Land reclamation and the growth of market towns around settlements like Linzi and Xianyang underpinned commercial expansion and craft specialization. Social mobility increased as meritocratic reforms—military and administrative recruitment advocated by advisors like Li Kui and Shang Yang—challenged aristocratic privileges of clans such as Jisun and Zheng elites. Monetary innovations included the circulation of spade money and knife money before standardized coinage in later periods.
The Eastern Zhou era generated the Hundred Schools of Thought, with prominent philosophers and texts: Confucius and the Analects, Laozi and the Tao Te Ching, Mozi and Mozi, Mencius and the Mencius, and legalist theorists like Han Fei and Shang Yang producing treatises that influenced polity reforms. Historiographical and literary production expanded with works such as the Spring and Autumn Annals, the Zuozhuan, and anecdotal compilations in the Guoyu. Ritual arts, court music from Yue traditions, bronze casting exemplified by Zhou bronzeware, and lacquerware craftsmanship flourished alongside developments in astronomy and calendrical studies pursued at courts like Qi and Chu.
State administration transitioned from kin-based fiefdoms to bureaucratic institutions modeled by reforms in Qin, Wei, and Han. Implementation of codified statutes and punitive systems by proponents such as Li Kui and Shang Yang standardized taxation, conscription, and land allotment, undermining hereditary privileges of aristocratic clans like Zhou kin. Commanderies, magistracies, and commissariat offices in capitals like Xianyang and Linzi coordinated logistics and legal adjudication; administrative manuals and legal codes circulated among reforming states influencing later imperial structures embodied by Qin Shi Huang.
The Eastern Zhou set patterns that informed the Qin unification and the imperial order. Its intellectual corpus—Analects, Tao Te Ching, Han Feizi—remained foundational for Confucianism, Taoism, and Legalism in subsequent dynasties. Historians and archaeologists study archaeological sites such as Anyang and Zeng Hou Yi Tomb and textual sources like the Shiji to evaluate state formation, technological diffusion, and cultural exchange during this formative era. The period's military, administrative, and ideological innovations shaped East Asian polities and continue to inform modern scholarship on pre-imperial China.