《水经注·卷八》
汉武帝元朔五年前，把这留里封给李蔡，立为侯国。
汉武帝元朔五年，封李蔡为侯国。
Before 124 BC, Emperor Wu of the Han Dynasty gave this Liuli to Li Cai and established it as a princely state.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 汉武帝元朔五年，封李蔡为侯国。 [/INST] Before 124 BC, Emperor Wu of the Han Dynasty gave this Liuli to Li Cai and established it as a princely state.</s>
Explain the meaning of this Classical Chinese passage in English: 汉武帝元朔五年，封李蔡为侯国。
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Before 124 BC, Emperor Wu of the Han Dynasty gave this Liuli to Li Cai and established it as a princely state.
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