Battle of Julu: At the end of Qin Dynasty, Xiang Yu's Xi Chu army fought a decisive battle with Qin Changcheng army led by Wang Li in Julu, Hebei Province, and finally Qin Jun was defeated, marking the demise of Qin Jun's main force.

The rule of Wenjing: during the reign of Emperor Wendi and Emperor Jingdi in the Western Han Dynasty, social stability appeared and the productive forces were restored during this period. Through this period of rest and recuperation, the national strength of the Western Han Dynasty was enhanced.

Revival of Emperor Guangwu: The prosperity of the society in the later period of Emperor Guangwu Liu Xiu's rule in the Eastern Han Dynasty ended the social unrest caused by Wang Mang's usurpation of the Han Dynasty.