《宋史·本纪·卷二十五》
二十七日，兀进人建康府，守臣陈邦光、户部尚书李迎接跪拜，通判杨邦拒绝迎拜。
辛未，兀入建康府，守臣陈邦光、户部尚书李棁迎拜，通判杨邦乂拒之。
On the 27th, the Wus invaded Jiankang Prefecture. The defending officer Chen Bangguang and Minister of Revenue Li greeted them on their knees, but the sub-prefect Yang Bang refused to bow to greet them.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 辛未，兀入建康府，守臣陈邦光、户部尚书李棁迎拜，通判杨邦乂拒之。 [/INST] On the 27th, the Wus invaded Jiankang Prefecture. The defending officer Chen Bangguang and Minister of Revenue Li greeted them on their knees, but the sub-prefect Yang Bang refused to bow to greet them.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 辛未，兀入建康府，守臣陈邦光、户部尚书李棁迎拜，通判杨邦乂拒之。
user
On the 27th, the Wus invaded Jiankang Prefecture. The defending officer Chen Bangguang and Minister of Revenue Li greeted them on their knees, but the sub-prefect Yang Bang refused to bow to greet them.
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