《北齐书·本纪·卷八》
十七日，上太上皇后尊号为皇太后。
戊寅，上太上皇后尊号为皇太后。
On the 17th, he honoured the title of the former Empress Dowager to Empress Dowager.
<s>[INST] Convert the following English text into Classical Chinese: On the 17th, he honoured the title of the former Empress Dowager to Empress Dowager. [/INST] 戊寅，上太上皇后尊号为皇太后。</s>
Convert the following English text into Classical Chinese: On the 17th, he honoured the title of the former Empress Dowager to Empress Dowager.
user
戊寅，上太上皇后尊号为皇太后。
assistant