《宋书·列传·卷五十二》
义熙七年，以王诞为吴国内史，母亲去世，他辞了职。
七年，以诞为吴国内史。母忧去职。
In the seventh year of Yixi, Wang Dan was appointed as the Minister of Internal Affairs for Wu. Following his mother's death, he resigned from his position.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 七年，以诞为吴国内史。母忧去职。 [/INST] In the seventh year of Yixi, Wang Dan was appointed as the Minister of Internal Affairs for Wu. Following his mother's death, he resigned from his position.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 七年，以诞为吴国内史。母忧去职。
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In the seventh year of Yixi, Wang Dan was appointed as the Minister of Internal Affairs for Wu. Following his mother's death, he resigned from his position.
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