Emperor Qin Shi Huang built China's first Great Wall
In 221 BCE, Emperor Qin Shi Huang unified China and connected existing walls, creating the Great Wall's first version to defend against northern invaders.
Did you know the Great Wall of China wasn't built all at once? Emperor Qin Shi Huang, who unified China in 221 BCE, initiated its earliest version. He connected and extended existing defensive walls to protect his new empire from northern nomadic invaders like the Xiongnu.
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