Old Book of Tang: Prince Xin'an Li Yi led troops and took the Tibetan Stone Fortress (Shibao City).; Zizhi Tongjian: In March 729 (Jiayin day)…
Prince Xin'an Li Yi led troops and took the Tibetan Stone Fortress (Shibao City).
甲寅，禮部尚書、信安王禕帥眾攻拔吐蕃石堡城。
Location: 舊唐書 卷8 開元17年
In March 729 (Jiayin day), Prince Xin'an Yi, jiedushi of Shuofang, attacks Tubo's Shibao castle and takes it.
甲寅，朔方節度使信安王禕攻吐蕃石堡城，拔之。
Location: 권213 729년 항
A and B are two of the sources listed above.
| On what point | Source A | Source B | What differs (in Korean) |
|---|---|---|---|
| Who | Zizhi Tongjian (Comprehensive Mirror) | Old Book of Tang (Jiu Tangshu), Annals | a 삭방절도사 의 / b 신안왕 이위 (이름 표기 차이) |
Place: 石堡城
Show on the map — open Old Book of Tang (Jiu Tangshu), Annals