《资治通鉴·晋纪·晋纪三十七》
夏季，四月，癸未，刘裕来到建康。
夏，四月，癸未，裕至建康。
In the summer, in the fourth month, on guivei, Liu Yu arrived in Jiankang.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 夏，四月，癸未，裕至建康。 [/INST] In the summer, in the fourth month, on guivei, Liu Yu arrived in Jiankang.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 夏，四月，癸未，裕至建康。
user
In the summer, in the fourth month, on guivei, Liu Yu arrived in Jiankang.
assistant