Anding (211) — the same event in Records of the Three Kingdoms and Zizhi Tongjian

Records of the Three Kingdoms: Cao Cao marched north from Chang'an and besieged Yang Qiu of Anding, who surrendered.; Zizhi Tongjian: In the tenth…

What each source says

Records of the Three Kingdoms (Sanguozhi) · AD 211 · 安定

Cao Cao marched north from Chang'an and besieged Yang Qiu of Anding, who surrendered.

冬十月，軍自長安北征楊秋，圍安定。
Location: 魏書武帝紀 (卷01) 建安16년

Zizhi Tongjian (Comprehensive Mirror) · AD 211 · 安定

In the tenth month Cao Cao marched north from Chang'an against Yang Qiu, besieging Anding. When Yang Qiu surrendered, he restored his rank and had him comfort the people.

冬，十月，操自長安北征楊秋，圍安定。
Location: 資治通鑑卷066 (원문 단락 #5336, 211년)

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