《宋书·本纪·卷五》
二十五日，立第十一皇子为淮阳王。
甲子，立第十一皇子讳为淮南王。
On the twenty-fifth day, the eleventh imperial son was established as the King of Huaiyang.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 甲子，立第十一皇子讳为淮南王。 Updated: 二十五日，立第十一皇子为淮阳王。 [/INST] On the twenty-fifth day, the eleventh imperial son was established as the King of Huaiyang.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 甲子，立第十一皇子讳为淮南王。 Updated: 二十五日，立第十一皇子为淮阳王。
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On the twenty-fifth day, the eleventh imperial son was established as the King of Huaiyang.
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