Old Book of Tang: Emperor Gaozong climbed Mount Tai to perform the Feng sacrifice, and the following day performed the Shan sacrifice at Sheshui…
In December 665 (Byeongjin day), the emperor leaves Lingyan and reaches the foot of Mount Tai; on the south of the mountain he sets up a round altar, on the summit a Dengfeng altar, and on Mount Sheshou a Jiangxian square altar.
丙辰，發靈巖頓，至泰山下，有司於山南為圓壇，山上為登封壇，社首山上為降禪方壇。
Location: 권201 665년 항
Emperor Gaozong climbed Mount Tai to perform the Feng sacrifice, and the following day performed the Shan sacrifice at Sheshui Mountain.
己巳，帝升山行封禪之禮。
Location: 舊唐書 卷5 乾封1年 1月
A and B are two of the sources listed above.
| On what point | Source A | Source B | What differs (in Korean) |
|---|---|---|---|
| Year | Zizhi Tongjian (Comprehensive Mirror) | Old Book of Tang (Jiu Tangshu), Annals | a는 665, b는 666 |
Place: 泰安
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