《资治通鉴·晋纪·晋纪二十一》
过去魏国投降过来的将领周成造反，从宛县出发袭击洛阳。
故魏降将周成反，自宛袭洛阳。
In the past, Zhou Cheng, a general who had surrendered from Wei, rebelled and set off from Wuxian County to attack Luoyang.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 故魏降将周成反，自宛袭洛阳。 [/INST] In the past, Zhou Cheng, a general who had surrendered from Wei, rebelled and set off from Wuxian County to attack Luoyang.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 故魏降将周成反，自宛袭洛阳。
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In the past, Zhou Cheng, a general who had surrendered from Wei, rebelled and set off from Wuxian County to attack Luoyang.
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