《后汉书·本纪·孝桓帝纪》
永康元年春正月，先零羌寇掠三辅，中郎将张奂把他们打败平定。
永康元年春正月，先零羌寇三辅，中郎将张奂破平之。
On the first month of spring in the first year of Yongkang, Xianling Qiang rebels and bandits plundered Sanfu and Lieutenant General Zhang Huan defeated and pacified them.