From regional state to first unified empire (221–206 BCE), the Qin Dynasty established centralized governance, standardization, and the Great Wall before collapsing rapidly after the First Emperor's death.
Legalist reformer Shang Yang (商鞅, Shāng Yāng) implements radical reforms in Qin state: land privatization, military meritocracy, harsh laws, and collective responsibility. Transforms Qin from backward state into dominant military power. #politics #law #reform
Qin conquers Ba (巴, Bā) and Shu (蜀, Shǔ) states in Sichuan basin, securing fertile Chengdu Plain and strategic resources. Engineer Li Bing (李冰, Lǐ Bīng) later builds Dujiangyan irrigation system. #conquest #agriculture #engineering
Qin extinguishes remnant Zhou (周, Zhōu) royal house, symbolically ending 800-year Zhou dynasty. King Zhaoxiang (秦昭襄王, Qín Zhāoxiāng Wáng) asserts Qin's supremacy over all rival states. #politics #conquest #history
Ying Zheng (嬴政, Yíng Zhèng), age 13, ascends as King of Qin under regency of Lü Buwei (吕不韦, Lǚ Bùwéi). Will become First Emperor (秦始皇, Qín Shǐhuáng). #politics #history #monarchy
King Zheng assumes personal rule at age 21, suppresses Lü Buwei (吕不韦, Lǚ Bùwéi) and Lao Ai (嫪毐, Lào Àǐ) rebellions. Begins systematic elimination of rival states. #politics #power #history
Qin conquers Han (韩, Hán) state, first of the six rival states to fall. General Neishi Teng (内史腾, Nèishǐ Téng) leads campaign. Systematic unification wars begin. #conquest #war #history
Qin destroys Zhao (赵, Zhào) after failed assassination attempt by Jing Ke (荆轲, Jīng Kē). Qin general Wang Jian (王翦, Wáng Jiǎn) captures Zhao capital Handan (邯郸, Hándān). #conquest #war #history
Qin conquers Wei (魏, Wèi) by diverting Yellow River to flood capital Daliang (大梁, Dàliáng). Wang Ben (王贲, Wáng Bēn), son of Wang Jian, commands forces. #conquest #war #engineering
Qin finally conquers vast Chu (楚, Chǔ) state after initial defeat. Wang Jian (王翦, Wáng Jiǎn) leads 600,000 troops in massive campaign. Largest of unification wars. #conquest #war #history
Qin eliminates Yan (燕, Yān) and Qi (齐, Qí), completing conquest of all Warring States. Crown Prince Dan (太子丹, Tàizǐ Dān) of Yan executed. Wang Ben takes Qi without battle. #conquest #war #history
Standardization decrees: unified script (小篆, xiǎozhuàn seal script by Li Si 李斯, Lǐ Sī), weights, measures, axle widths, currency. Abolishes regional variations. #governance #culture #standardization
Ying Zheng (嬴政, Yíng Zhèng) proclaims himself Qin Shi Huang (秦始皇, Qín Shǐhuáng), 'First Emperor.' Creates unprecedented title 'Huangdi' (皇帝), rejecting old 'king.' Birth of Chinese empire. #politics #history #monarchy
Qin armies conquer Baiyue (百越, Bǎiyuè) peoples in south, establishing Nanhai (南海, Nánhǎi) and Guilin (桂林, Guìlín) commanderies. Lingqu Canal (灵渠, Líng Qú) built to supply armies. #conquest #engineering #frontier
General Meng Tian (蒙恬, Méng Tián) leads 300,000 troops north, defeats Xiongnu (匈奴, Xiōngnú), seizes Ordos Loop. Begins construction of Great Wall connecting earlier fortifications. #defence #war #frontier
Li Si (李斯, Lǐ Sī) proposes burning all non-Qin historical records, private copies of Poetry and Documents, and all philosophy books except Qin archives. Agricultural and medical texts spared. #culture #censorship #history
First Emperor buries alive approximately 460 alchemists and scholars (方士, fāngshì and 儒生, rúshēng) at Xianyang (咸阳, Xiányáng) for deceiving him about immortality elixirs. #culture #religion #disaster
Construction begins on Epang Palace (阿房宫, Ēpáng Gōng), massive imperial complex south of Xianyang (咸阳, Xiányáng). Symbol of Qin grandeur and labor exploitation. Never completed. #architecture #culture #labor
Terracotta Army (兵马俑, Bīngmǎyǒng) buried with First Emperor near modern Xi'an (西安, Xī'ān). Over 8,000 life-sized soldiers, horses, chariots guard tomb. Masterpiece of Qin art. #art #culture #burial
First Emperor dies at Shaqiu (沙丘, Shāqiū) during fifth tour. Eunuch Zhao Gao (赵高, Zhào Gāo) and Li Si (李斯, Lǐ Sī) conceal death, forge will favoring Hu Hai (胡亥, Hú Hài). #politics #history #succession
Meng Tian (蒙恬, Méng Tián) completes Zhida (直道, Zhídào), 'Direct Road' from Xianyang (咸阳, Xiányáng) to northern frontier. 800-km military highway enabling rapid troop movement. #engineering #defence #transport
Zhao Gao (赵高, Zhào Gāo) and Li Si (李斯, Lǐ Sī) install Hu Hai (胡亥, Hú Hài) as Second Emperor (秦二世, Qín Èrshì). Eldest son Fusu (扶苏, Fú Sū) forced to commit suicide. #politics #intrigue #history
Chen Sheng (陈胜, Chén Shèng) and Wu Guang (吴广, Wú Guǎng) launch first major anti-Qin uprising at Daze Township (大泽乡, Dàzé Xiāng). 'Are kings and nobles born to their lot?' #rebellion #history #politics
Chancellor Li Si (李斯, Lǐ Sī), architect of Qin centralization, executed by waist-cutting (腰斩, yāozhǎn) after Zhao Gao's (赵高, Zhào Gāo) intrigue. Victim of his own Legalist system. #politics #law #tragedy
Xiang Yu (项羽, Xiàng Yǔ) destroys Qin main army at Julu (巨鹿, Jùlù), 'breaking cauldrons and sinking boats' (破釜沉舟, pò fǔ chén zhōu). Qin general Zhang Han (章邯, Zhāng Hán) surrenders. #war #rebellion #history
Zhao Gao (赵高, Zhào Gāo) assassinates Second Emperor Hu Hai (胡亥, Hú Hài), installs Ziying (子婴, Zǐyīng) as diminished 'king' rather than emperor. Qin authority collapses. #politics #intrigue #tragedy
Liu Bang (刘邦, Liú Bāng), rebel leader from Pei (沛, Pèi), enters Hangu Pass (函谷关, Hángǔ Guān) with minimal resistance. Ziying (子婴, Zǐyīng) surrenders at Xianyang (咸阳, Xiányáng). #rebellion #politics #history
Liu Bang (刘邦, Liú Bāng) establishes 'Three Articles of Law': kill no more, steal no more, harm no more. Contrast with Qin harshness wins popular support in Guanzhong (关中, Guānzhōng). #law #politics #history
Ziying (子婴, Zǐyīng) executed by Xiang Yu (项羽, Xiàng Yǔ). Xiang Yu burns Epang Palace (阿房宫, Ēpáng Gōng), slaughters population. Formal end of Qin dynasty. #war #destruction #history
Famous banquet at Hongmen (鸿门, Hóng Mén) where Xiang Yu (项羽, Xiàng Yǔ) spares Liu Bang (刘邦, Liú Bāng). Fan Zeng (范增, Fàn Zēng) urges assassination; Xiang Yu refuses. #politics #history #intrigue
Liu Bang (刘邦, Liú Bāng) defeats Xiang Yu (项羽, Xiàng Yǔ) at Gaixia (垓下, Gāixià), proclaims Han dynasty. Qin's centralized model adapted, Legalism rejected for Confucianism. #politics #history #succession
