《辽史·本纪·卷二十八》
二十日，乌古部前来降附。
庚辰，乌古部来降。
On the 20th, the Wugu tribe came to surrender.
<s>[INST] Translate the following Classical Chinese text into English: 庚辰，乌古部来降。 [/INST] On the 20th, the Wugu tribe came to surrender.</s>
Translate the following Classical Chinese text into English: 庚辰，乌古部来降。
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On the 20th, the Wugu tribe came to surrender.
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