High Quality Content by WIKIPEDIA articles! Liu Bei`s takeover of Yi Province was a military campaign by the warlord Liu Bei in taking control of Yi Province (covering present-day Sichuan and Chongqing) from its Governor, Liu Zhang. The campaign took place between 212 and 215 during the prelude to the Three Kingdoms period of Chinese history. It concluded with victory for Liu Bei and his successful takeover of the province from Liu Zhang. Yi Province would serve as the foundation of the state of Shu Han during the Three Kingdoms period.