《资治通鉴·宋纪·宋纪十五》
壬子，柔然汗国南下侵入北魏，柔玄镇所属的两个敕勒部落，起兵响应。
壬子，柔然侵魏，柔玄镇二部敕勒应之。
On day Ren-zi, the Rouran Khanate invaded Northern Wei from the south, and two敕勒 tribes under the jurisdiction of the Rouxuan garrison responded by raising an army.