《旧唐书·列传·卷五十六》
六月九日，潼关失守。
六月九日，潼关不守。
On June 9th, Tongguan fell.
<s>[INST] Give the modern Chinese and English translation for the following Classical Chinese passage: 六月九日，潼关不守。 [/INST] Modern Chinese: 六月九日，潼关失守。 English: On June 9th, Tongguan fell.</s>
Give the modern Chinese and English translation for the following Classical Chinese passage: 六月九日，潼关不守。
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Modern Chinese: 六月九日，潼关失守。 English: On June 9th, Tongguan fell.
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