Qin's wars of unification

Qin campaigns to conquer all of China (230–221 BC) Qin's wars of unificationPart of the Warring States periodDate of conquest of the six statesDate230–221 BCLocationChinaResult Qin victoryTerritorialchanges Unification of China under the Qin dynastyBelligerents Qin HanZhao DaiYanWeiChuQiCommanders and leaders Ying Zheng Wang Jian Li Xin Meng Wu Meng Tian Wang Ben Huan Yi † Qiang Lei Yang Duanhe [zh; ja] Neishi Teng [zh] Han An Zhao Qian Hu Zhe † Li Mu Sima Shang [zh] Zhao Cong † Yan Ju Zhao Jia (POW)Wei Jia Ji Xi (POW) Crown Prince Dan Fuchu (POW) Xiang Yan † Lord Changping †Tian Jian Strength 1,200,000[citation needed] 1,500,000[citation needed] Qin's wars of unification (c. 230 - 221 BC) were a series of military campaigns launched in the late 3rd century BC by the state of Qin against the other six states remaining in China – Han, Zhao, Yan, Wei, Chu and Qi. Qin developed into the most powerful of China's Seven Warring States that coalesced in the wake of the declining Zhou dynasty, which had been reduced to a weak and merely ceremonial position during the Warring States period. In 230 BC, Ying Zheng, the King of Qin, began the sequence of campaigns that would br