Historically, Liu Bei never assigned any title similar to the "Five Tiger Generals", but instead did appoint them to titles of the same military ranking: Guan Yu as General of Front, Zhang Fei as General of Right, Huang Zhong as General of Rear, Ma Chao as General of Left, and Zhao Yun as General of Center. In the official historical text "Records of the Three Kingdoms", the historian Chen Shou grouped them into one volume due to their similar military titles.