《北史·本记·卷三》
十五日，到达长安。
辛未，幸长安。
On the 15th, he arrived in Chang'an.
<s>[INST] Convert the following English text into Classical Chinese: On the 15th, he arrived in Chang'an. [/INST] 辛未，幸长安。</s>
Convert the following English text into Classical Chinese: On the 15th, he arrived in Chang'an.
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辛未，幸长安。
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