《资治通鉴·宋纪·宋纪十五》
二月，甲辰，北魏太上皇返回平城。
二月，甲辰，魏上皇还平城。
In the second month, on day Jia-chen, the Retired Emperor of Northern Wei returned to Pingcheng.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 二月，甲辰，魏上皇还平城。 [/INST] In the second month, on day Jia-chen, the Retired Emperor of Northern Wei returned to Pingcheng.</s>
Explain the meaning of this Classical Chinese passage in English: 二月，甲辰，魏上皇还平城。
user
In the second month, on day Jia-chen, the Retired Emperor of Northern Wei returned to Pingcheng.
assistant