Though the unified reign of the Qin Emperor lasted only twelve years, he managed to subdue great parts of what constitutes the core of the Han Chinese homeland and to unite them under a tightly centralized Legalist government seated at Xianyang (in modern Xi'an).
His sons, however, were not as successful; as soon as the Qin reign ended, the Qin imperial structure collapsed. The Qin Dynasty is well known for building the Great Wall of China, which would later be augmented and enhanced during the Ming Dynasty.
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1046 BCE—256 BCE
221 BCE—206 BCE
206 BCE—220 >>