《周书·列传·卷三十三》
开皇元年，晋爵为平吕郡公。
开皇元年，进爵平昌郡公。
In the first year of the founding of the country, he was promoted to the Duke of Pinglü County.
<s>[INST] Kindly elucidate the central themes in this passage in English: 开皇元年，进爵平昌郡公。 [/INST] In the first year of the founding of the country, he was promoted to the Duke of Pinglü County.</s>
Kindly elucidate the central themes in this passage in English: 开皇元年，进爵平昌郡公。
user
In the first year of the founding of the country, he was promoted to the Duke of Pinglü County.
assistant