《北史·本记·卷十二》
十五日，贼帅司马长安攻下长平郡。
己酉，贼帅司马长安破长平郡。
On the 15th, Longping County was captured by the rebel leader Sima Chang'an.
<s>[INST] First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 己酉，贼帅司马长安破长平郡。 [/INST] 十五日，贼帅司马长安攻下长平郡。 Then, On the 15th, Longping County was captured by the rebel leader Sima Chang'an.</s>
First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 己酉，贼帅司马长安破长平郡。
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十五日，贼帅司马长安攻下长平郡。 Then, On the 15th, Longping County was captured by the rebel leader Sima Chang'an.
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