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In Chapter 33 of Romance of the Three Kingdoms, two pivotal threads unfold in the wake of Cao Cao’s conquest of Ji Province: a dramatic personal episode involving his heir Cao Pi and the beautiful Lady Zhen, and a decisive military campaign against the last remnants of the Yuan clan in the distant northeast.
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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).