Which dynasty was the first to unify China?

Which dynasty was the first to unify China? The Qin dynasty was the first dynasty to unify China under a single imperial government.

The unification was completed in 221 BCE, when Ying Zheng, the ruler of Qin, defeated the rival states of the Warring States period. He adopted the title Qin Shi Huang, meaning “First Emperor of Qin,” and established the first imperial dynasty in Chinese history.

Qin rule introduced strong central control, standardized weights and measures, and helped unify writing conventions, currency, and systems of administration. The government relied heavily on Legalist ideas, emphasizing strict laws and the authority of the state. Qin infrastructure projects also connected earlier defensive walls and built major roads and canals.

The dynasty was short-lived. Qin Shi Huang died in 210 BCE, and rebellions soon followed; the dynasty collapsed in 206 BCE. The Han dynasty replaced it and ruled for much longer, but it was not the first to unify China. The Zhou and Shang dynasties predated the imperial system.