《宋史·本纪·卷二》
十七日，回鹊、于闻派遣使臣来进贡当地土产。
庚申，回鹘、于阗遣使来献方物。
On the 17th, Huai and Yuwen sent envoys to offer tributes of their regional specialties.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 庚申，回鹘、于阗遣使来献方物。 [/INST] On the 17th, Huai and Yuwen sent envoys to offer tributes of their regional specialties.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 庚申，回鹘、于阗遣使来献方物。
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On the 17th, Huai and Yuwen sent envoys to offer tributes of their regional specialties.
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