Region: China · Coordinates: 35.550, 114.840 · 2 events
| Year | Source | Account |
|---|---|---|
| AD 200 | Records of the Three Kingdoms (Sanguozhi) | At Baima, Cao Cao sent Zhang Liao and Guan Yu ahead, beheaded Yan Liang, and lifted the siege of Baima. |
| AD 200 | Zizhi Tongjian (Comprehensive Mirror) | Yuan Shao sent Yan Liang to attack Liu Yan, the Governor of Dongjun, at Baima. Ju Shou warned that Yan Liang was hasty and should not be left alone, but was not heeded. In the fourth month Cao Cao marched north to rescue Liu Yan, and Xun Yu proposed a diversion at Yanjin. |