Qin Shi

Qin Shi, also known as Qin Shi Huang, was the first emperor of a unified China, reigning from 221 to 210 BC. He is best remembered for his monumental achievements, including the unification of various warring states and the initiation of the Great Wall's construction to protect against northern invasions. His reign marked the beginning of the Qin dynasty, which set the foundation for the imperial structure of China.