Pengcheng (547) — the same event in Book of Wei and Zizhi Tongjian

Book of Wei: Yuanming, Marquis of Zhenyang of Liang, dammed the Si River at Hanshan, intending to flood Pengcheng.; Zizhi Tongjian: Liang's Xiao…

What each source says

Book of Wei (Weishu), Imperial Annals · AD 547 · 彭城

Yuanming, Marquis of Zhenyang of Liang, dammed the Si River at Hanshan, intending to flood Pengcheng.

辛酉,蕭衍遣其兄子貞陽侯淵明帥眾寇徐州,堰泗水於寒山,灌彭城,以應侯景。
Location: 魏書卷12·武定五年

Zizhi Tongjian (Comprehensive Mirror) · AD 547 · 彭城

Liang's Xiao Yuanming attacks Pengcheng, in Eastern Wei's Xuzhou; Wang Ze defends the city.

東魏徐州刺史太原王則嬰城固守,侃勸淵明乘水攻彭城,不從
Location: 卷160

Place: 呂梁(彭城·徐州)

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