《资治通鉴·唐纪·唐纪六十九》
不久，唐僖宗任命东都留守李蔚以同平章事衔，充任河东节度使。
寻以东都留守节蔚同平章事，充河东节度使。
Soon, Emperor Xizong appointed Li Wei, the governor of the Eastern Capital, as deputy prime minister and acting military governor of Hedong.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 寻以东都留守节蔚同平章事，充河东节度使。 Updated: 不久，唐僖宗任命东都留守李蔚以同平章事衔，充任河东节度使。 [/INST] Soon, Emperor Xizong appointed Li Wei, the governor of the Eastern Capital, as deputy prime minister and acting military governor of Hedong.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 寻以东都留守节蔚同平章事，充河东节度使。 Updated: 不久，唐僖宗任命东都留守李蔚以同平章事衔，充任河东节度使。
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Soon, Emperor Xizong appointed Li Wei, the governor of the Eastern Capital, as deputy prime minister and acting military governor of Hedong.
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