《金史·本纪·卷五》
九月二十一日，立惠妃徒单氏为皇后。
九月甲午，立惠妃徒单氏为皇后。
On September 21, Concubine Hulü of the Wanyan clan was established as empress.
<s>[INST] For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 九月甲午，立惠妃徒单氏为皇后。 Modern: 九月二十一日，立惠妃徒单氏为皇后。 [/INST] On September 21, Concubine Hulü of the Wanyan clan was established as empress.</s>
For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 九月甲午，立惠妃徒单氏为皇后。 Modern: 九月二十一日，立惠妃徒单氏为皇后。
user
On September 21, Concubine Hulü of the Wanyan clan was established as empress.
assistant