Xianyang (206 BC) — the same event in Book of Han and Records of the Grand Historian

Book of Han: Xiang Yu moved west, massacred Xianyang, killed the surrendered Ziying and burned the Qin palaces; the people of Qin were deeply…

What each source says

Book of Han (Hanshu), Imperial Annals · 206 BC · 咸陽

Xiang Yu moved west, massacred Xianyang, killed the surrendered Ziying and burned the Qin palaces; the people of Qin were deeply disappointed.

羽引兵西屠咸陽,殺秦降王子嬰,燒秦宮室,所過無不殘滅
Location: 漢書卷001 漢高祖元年(鴻門 이후, 월 불명)

Records of the Grand Historian (Shiji), Annals · 206 BC · 咸陽

Xiang Yu went west and slaughtered Xianyang, killed the King of Qin Ziying and burned the palaces; the fire did not go out for three months.

居數日,項羽引兵西屠咸陽,殺秦降王子嬰,燒秦宮室,火三月不滅;收其貨寶婦女而東。
Location: 史記卷007 項羽本紀

Place: 咸陽

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