《史记·三十世家·外戚世家》
到景帝即位，这个妃子就被立为薄皇后。
及景帝立，立妃曰薄皇后。
By the time Emperor Xiaowu ascended to the throne, this concubine had been crowned as Empress Bo.
<s>[INST] Kindly elucidate the central themes in this passage in English: 及景帝立，立妃曰薄皇后。 [/INST] By the time Emperor Xiaowu ascended to the throne, this concubine had been crowned as Empress Bo.</s>
Kindly elucidate the central themes in this passage in English: 及景帝立，立妃曰薄皇后。
user
By the time Emperor Xiaowu ascended to the throne, this concubine had been crowned as Empress Bo.
assistant