Xingyang (180 BC) — the same event in Book of Han and Records of the Grand Historian

Book of Han: The upheaval of the Lü clan: Guan Ying went to attack the King of Qi, but at Xingyang he allied with Qi and waited for the Lü clan to be…

What each source says

Book of Han (Hanshu), Imperial Annals · 180 BC · 滎陽

The upheaval of the Lü clan: Guan Ying went to attack the King of Qi, but at Xingyang he allied with Qi and waited for the Lü clan to be put to death.

嬰至滎陽,使人諭齊王與連和,待呂氏變而共誅之
Location: 漢書卷003 高后八年

Records of the Grand Historian (Shiji), Annals · 180 BC · 滎陽

Guan Ying, sent by Chancellor Lü Chan, reached Xingyang, learned of the plan to attack the Lü clan, halted his advance and allied with Qi.

」乃留屯滎陽,使使諭齊王及諸侯,與連和,以待呂氏變,共誅之。
Location: 史記卷009 呂太后本紀

Place: 滎陽

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