《北史·列传·卷十五》
献文帝即位后，他转任为给事中，参预征南大将军慕容白曜的军事。
献文即位，转给事中，参征南慕容白曜军事。
After Emperor Xiaowen ascended to the throne, Han transferred to become a member of the Attendant Chamber, and participated in the military affairs of General of the South Zhangsun Baoyao.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 献文即位，转给事中，参征南慕容白曜军事。 [/INST] After Emperor Xiaowen ascended to the throne, Han transferred to become a member of the Attendant Chamber, and participated in the military affairs of General of the South Zhangsun Baoyao.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 献文即位，转给事中，参征南慕容白曜军事。
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After Emperor Xiaowen ascended to the throne, Han transferred to become a member of the Attendant Chamber, and participated in the military affairs of General of the South Zhangsun Baoyao.
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