Battle of Pyongyang fortress (661) — the same event in Samguk Sagi, Samguk Yusa and Zizhi Tongjian

Samguk Sagi: Su Dingfang broke the Goguryeo troops at the Paegang, took Maeup Mountain and surrounded Pyongyang fortress.; Samguk Sagi: Su Dingfang…

What each source says

Samguk Sagi (History of the Three Kingdoms) · AD 661 · 평양시

Su Dingfang broke the Goguryeo troops at the Paegang, took Maeup Mountain and surrounded Pyongyang fortress.

秋八月,蘇定方破我軍於浿江,奪馬邑山,遂圍平壤城。
Location: 卷22 寶藏王下 10年

Zizhi Tongjian (Comprehensive Mirror) · AD 661 · 平壤

In July 661 (Jiaxu day), Su Dingfang defeats Goguryeo at the Paegang river, wins battle after battle, and at last besieges Pyongyang city.

秋,七月,甲戌,蘇定方破高麗於浿江,屢戰皆捷,遂圍平壤城。
Location: 권200 661년 항

Samguk Sagi (History of the Three Kingdoms) · AD 662 · 평양시

Su Dingfang surrounded Pyongyang but withdrew because of heavy snow.

蘇定方圍平壤,會大雪,解而退。
Location: 卷22 寶藏王下 21年

Samguk Yusa (Memorabilia of the Three Kingdoms) · AD 662 · Pyongyang

Su Dingfang, as Grand Commander of the Pyongyang route, broke Goguryeo troops at the Paegang, camped at Mauem Mountain and surrounded Pyongyang fortress; but heavy snow forced him to lift the siege and return.

遂圍平壤城。會大雪解圍還
Location: 紀異第一 大宗春秋公

Where the sources differ

A and B are two of the sources listed above.

On what pointSource ASource BWhat differs (in Korean)
YearOld Book of Tang (Jiu Tangshu), AnnalsSamguk Yusa (Memorabilia of the Three Kingdoms)a는 661 / b는 662
YearOld Book of Tang (Jiu Tangshu), AnnalsSamguk Sagi (History of the Three Kingdoms)a는 662 / b는 661
YearOld Book of Tang (Jiu Tangshu), AnnalsZizhi Tongjian (Comprehensive Mirror)a는 662 / b는 661
YearSamguk Yusa (Memorabilia of the Three Kingdoms)Zizhi Tongjian (Comprehensive Mirror)a는 662, b는 661

Place: 平壤

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