《元史·本纪·卷十五》
十八日，海都进犯边境。
庚午，海都犯边。
On the 18th, Haidu invaded the border.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 庚午，海都犯边。 Updated: 十八日，海都进犯边境。 [/INST] On the 18th, Haidu invaded the border.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 庚午，海都犯边。 Updated: 十八日，海都进犯边境。
user
On the 18th, Haidu invaded the border.
assistant