《后汉书·本纪·孝顺孝冲孝质帝纪》
秋七月二十日，太尉庞参免职。
秋七月己未，太尉庞参免。
On the twentieth day of the seventh month of autumn, the Grand Tutor Pang Can was dismissed.
<s>[INST] Kindly elucidate the central themes in this passage in English: 秋七月己未，太尉庞参免。 [/INST] On the twentieth day of the seventh month of autumn, the Grand Tutor Pang Can was dismissed.</s>
Kindly elucidate the central themes in this passage in English: 秋七月己未，太尉庞参免。
user
On the twentieth day of the seventh month of autumn, the Grand Tutor Pang Can was dismissed.
assistant