《元史·列传·卷六十七》
泰定四年卒，年八十一岁。
泰定四年卒，年八十一。
He died in the fourth year of Taiding, at the age of eighty-one.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 泰定四年卒，年八十一。 [/INST] He died in the fourth year of Taiding, at the age of eighty-one.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 泰定四年卒，年八十一。
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He died in the fourth year of Taiding, at the age of eighty-one.
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