Emperor An died in his carriage at Ye; the death was kept secret, and four days later the court returned to Luoyang and proclaimed the mourning. (Book of the Later Han (Hou Hanshu), Annals 後漢書卷5 孝安帝紀 延光4年)
Nineteen eunuchs led by Sun Cheng beheaded Jiang Jing, Liu An and Chen Da, and welcomed the Prince of Jiyin (Emperor Shun) under the bell west of the Deyang Hall to enthrone him. (Book of the Later Han (Hou Hanshu), Annals 後漢書卷6 孝順孝沖孝質帝紀 延光4年)
In the seventh month, Ban Yong, Dunhuang, Zhangye, and Jiuquan cavalry of six thousand, together with all the troops of Shanshan, Shule, and Cheshi, greatly defeated the Houfu king Junjiu, took more than eight thousand heads, captured Junjiu and the Xiongnu envoy, and beheaded them at the place where Suo Ban had died. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑 卷051 (원문 단락 #4090, 125년))
On the eleventh month, day yimao, eunuchs such as Sun Cheng gathered beneath the Xizong Hall, cut their sleeves to swear oaths, and plotted a coup. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑 卷051 (원문 단락 #4093, 125년))