《旧唐书·列传·卷六十五》
四年六月，封为赵国公。
四年六月，封赵国公。
In June of the fourth year, he was named the Duke of Zhao.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 四年六月，封赵国公。 [/INST] In June of the fourth year, he was named the Duke of Zhao.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 四年六月，封赵国公。
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In June of the fourth year, he was named the Duke of Zhao.
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