《旧唐书·本纪·卷十三》
二十一日，以虔州刺史赵昌为安南都护、经略招讨使。
庚辰，以虔州刺史赵昌为安南都护、经略招讨使。
On the 21st day, Zhao Chang, the Historian of Qian Prefecture, was made the Capital Protector of Annan and the Inspector-General for the Plan for Conscription.
<s>[INST] 对于下列每组文言文和现代汉语句子, 请提供一个能够准确表达两者本质的英语翻译: 文言文: 庚辰，以虔州刺史赵昌为安南都护、经略招讨使。 现代汉语: 二十一日，以虔州刺史赵昌为安南都护、经略招讨使。 [/INST] On the 21st day, Zhao Chang, the Historian of Qian Prefecture, was made the Capital Protector of Annan and the Inspector-General for the Plan for Conscription.</s>
对于下列每组文言文和现代汉语句子, 请提供一个能够准确表达两者本质的英语翻译: 文言文: 庚辰，以虔州刺史赵昌为安南都护、经略招讨使。 现代汉语: 二十一日，以虔州刺史赵昌为安南都护、经略招讨使。
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On the 21st day, Zhao Chang, the Historian of Qian Prefecture, was made the Capital Protector of Annan and the Inspector-General for the Plan for Conscription.
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