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Gongsun Shu (, died 24 December 36 AD) was a governor and warlord of the Xin dynasty and early Eastern Han dynasty who controlled the region of modern-day Sichuan, proclaiming himself as the Emperor of Chengjia in 25 AD. With Chengdu as his capital, he ruled for 12 years before dying in battle on 24 December 36. His empire surrendered to Eastern Han forces the next day.