Chang'an (618) — the same event in History of the Northern Dynasties, Old Book of Tang, Book of Sui and 2 more

History of the Northern Dynasties: Emperor Gong yielded the throne to Li Yuan of Tang; the end of the Sui.; Old Book of Tang: Li Yuan ascended the…

What each source says

History of the Northern Dynasties (Beishi), Annals · AD 618

Emperor Gong yielded the throne to Li Yuan of Tang; the end of the Sui.

是日,上遜位於大唐
Location: 北史 卷12 義寧2年

Old Book of Tang (Jiu Tangshu), Annals · AD 618 · 長安

Li Yuan ascended the throne at the Taiji Hall in Chang'an, founded the Tang, and changed the era name to Wude.

甲子,高祖即皇帝位於太極殿,命刑部尚書蕭造兼太尉,告於南郊,大赦天下,改隋義寧二年為唐武德元年。
Location: 舊唐書 卷1 武德1年 5月

Book of Sui (Suishu), Imperial Annals · AD 618 · 長安

Emperor Gong abdicated to the Tang and was made Duke of Xi.

是日,上遜位於大唐,以為酅國公
Location: 隋書 卷005 帝紀 義寧2年5月

New Book of Tang (Xin Tangshu), Annals · AD 618 · 長安

He received the abdication of Sui, ascended the throne in the Taiji Hall, granted a general amnesty, changed the era to Wude, and changed the commanderies back into prefectures (zhou). The Tang dynasty was founded.

武德元年五月甲子,即皇帝位于太極殿
Location: 新唐書 卷001 高祖 武德1年5月

Zizhi Tongjian (Comprehensive Mirror) · AD 618 · 長安

On May 618 (Jiazi day), the Prince of Tang ascends the throne in Taiji Hall, sends Minister of Justice Xiao Zao to Nanjiao to report to Heaven, and proclaims a general amnesty and a new era.

甲子,唐王即皇帝位於太極殿,遣刑部尚書蕭造告天於南郊,大赦,改元。
Location: 권185 618년 항

Place: 長安

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