《宋史·本纪·卷三十一》
二十一日，任命王纶为知枢密院事。
辛未，以王纶知枢密院事。
On the twenty-first, Wang Lun was appointed to the post of Director of the Privy Council Office.
<s>[INST] Convert the following English text into Classical Chinese: On the twenty-first, Wang Lun was appointed to the post of Director of the Privy Council Office. [/INST] 辛未，以王纶知枢密院事。</s>
Convert the following English text into Classical Chinese: On the twenty-first, Wang Lun was appointed to the post of Director of the Privy Council Office.
user
辛未，以王纶知枢密院事。
assistant