Jiankang (479) — the same event in Book of Southern Qi and History of the Southern Dynasties

Book of Southern Qi: Xiao Daocheng accedes at the southern suburb and founds Qi (founding), changing the era name to Jianyuan; History of the…

What each source says

Book of Southern Qi (Nan Qishu), Annals · AD 479 · 建康

Xiao Daocheng accedes at the southern suburb and founds Qi (founding), changing the era name to Jianyuan

建元元年夏四月甲午，上即皇帝位於南郊
Location: 南齊書卷2 建元1年

History of the Southern Dynasties (Nanshi), Annals · AD 479 · 建康

Xiao Daocheng ascended the throne at the southern suburbs and founded Qi; in the Taiji Front Hall of the Jiankang Palace he held a great amnesty and changed the era.

夏四月甲午，皇帝即位于南郊，柴燎告天曰
Location: 南史卷4 建元1年

Place: 石頭城(建康)

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