《元史·本纪·卷二十七》
十四日，天降大雨，浑河堤决口。
乙酉，大雨，浑河防决。
On the 14th day, heavy rain fell, and the Hunhe River embankment burst.
<s>[INST] Kindly elucidate the central themes in this passage in English: 乙酉，大雨，浑河防决。 [/INST] On the 14th day, heavy rain fell, and the Hunhe River embankment burst.</s>
Kindly elucidate the central themes in this passage in English: 乙酉，大雨，浑河防决。
user
On the 14th day, heavy rain fell, and the Hunhe River embankment burst.
assistant