Jiankang (494) — the same event in Book of Southern Qi and History of the Southern Dynasties

Book of Southern Qi: Xiao Luan has Xiao Chen and others behead the confidants Cao Daogang, Zhu Longzhi and others at the Imperial Secretariat, then…

What each source says

Book of Southern Qi (Nan Qishu), Annals · AD 494 · 建康

Xiao Luan has Xiao Chen and others behead the confidants Cao Daogang, Zhu Longzhi and others at the Imperial Secretariat, then enters the palace through Yunlong Gate with troops

二十二日壬辰，使蕭諶、坦之等於省誅曹道剛、朱隆之等
Location: 南齊書卷4 隆昌1年

History of the Southern Dynasties (Nanshi), Annals · AD 494 · 建康

Xiao Luan, Marquis of Xichang, used Xiao Chen and Xiao Tanzhi to eliminate Cao Daogang and others, then led troops through the Yunlong Gate and seized the palace.

先使蕭諶、坦之等於省誅曹道剛、朱隆之等，率兵自尚書省入雲龍門
Location: 南史卷5 隆昌1年

Place: 石頭城(建康)

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