In the ninth month, Isonokami no Maro and others were sent to Tsukushi to grant official ranks and oversee Shinjō. (Nihon Shoki (Chronicles of Japan) 日本書紀 卷第三十 持統紀 3年 단락108)
In May 689, Wei Daijia's army reaches the Yinshijia River and fights Tubo, suffering a great defeat. (Zizhi Tongjian (Comprehensive Mirror) 권204 689년 항)
In the first month of Jitō 3 (689), Chiriko, an Emishi of Seyō in Ukita district, Mutsu, asked to shave his head and become a monk, and it was allowed. (Nihon Shoki (Chronicles of Japan) 日本書紀 卷第三十 持統紀 3年 단락71)