January 193: Cao Cao counters Yuan Shu’s advance In January 193 AD, Yuan Shu launched a northern campaign against Chenliu, preparing to attack Cao Cao in the northwestern part of Yan Province(Yanzhou).
In January 192 AD, Yuan Shao achieved a decisive victory over Gongsun Zan at the Battle of Jieqiao, a turning point that established Yuan Shao’s dominance in northern China. Despite Gongsun Zan’s elite cavalry, Yuan Shao’s general Qu Yi led a disciplined infantry force to break the charge, crippling Gongsun Zan’s ambitions and securing…