《金史·本纪·卷六》
三日，将许王永中进封为越王，郑王永功封为随王，永成封为沈王。
戊辰，许王永中进封越王，郑王永功封随王，永成封审王。
On the third day, the emperor promoted Prince Yongzhong of Xu to the title of Prince of Yue, Prince Yonggong of Zheng to the title of Prince of Sui, and Prince Yongcheng to the title of Prince of Shen.
<s>[INST] Kindly elucidate the central themes in this passage in English: 戊辰，许王永中进封越王，郑王永功封随王，永成封审王。 [/INST] On the third day, the emperor promoted Prince Yongzhong of Xu to the title of Prince of Yue, Prince Yonggong of Zheng to the title of Prince of Sui, and Prince Yongcheng to the title of Prince of Shen.</s>
Kindly elucidate the central themes in this passage in English: 戊辰，许王永中进封越王，郑王永功封随王，永成封审王。
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On the third day, the emperor promoted Prince Yongzhong of Xu to the title of Prince of Yue, Prince Yonggong of Zheng to the title of Prince of Sui, and Prince Yongcheng to the title of Prince of Shen.
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