Bianzhou (951) — the same event in New History of the Five Dynasties and Zizhi Tongjian

New History of the Five Dynasties: Guo Wei ascended the throne and named the state Zhou.; Zizhi Tongjian: Guo Wei ascends the throne at Chongyuandian…

What each source says

New History of the Five Dynasties (Xin Wudai shi), Annals · AD 951 · 汴州

Guo Wei ascended the throne and named the state Zhou.

廣順元年春正月丁卯,皇帝即位,大赦,改元,國號周。
Location: 新五代史 卷11 廣順1年1月

Zizhi Tongjian (Comprehensive Mirror) · AD 951 · 大梁

Guo Wei ascends the throne at Chongyuandian and names the state Zhou (Later Zhou).

即位於崇元殿,制曰:「朕周室之裔,虢叔之後,國號宜曰周
Location: 資治通鑑 卷290 제2단(머리글 이후 비공백 줄 기준)

Place: 汴州 · 汴京

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