Old Book of Tang: Mochuo took Dingzhou; the prefect Sun Yangao died, and the people were burned and killed.; Zizhi Tongjian: In August 698 (Guichou…
Mochuo took Dingzhou; the prefect Sun Yangao died, and the people were burned and killed.
己丑，默啜攻陷定州，刺史孫彥高死之，焚燒百姓廬舍，遇害者數千人。
Location: 舊唐書 卷6 聖曆1年 8月
In August 698 (Guichou day), Mochuo invades Feihu; on the day yimao he takes Dingzhou, killing the governor Sun Yangao and thousands of officials and people.
癸丑，默啜寇飛狐，乙卯，陷定州，殺刺史孫彥高及吏民數千人。
Location: 권206 698년 항
Place: 定州
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