《旧唐书·本纪·卷十七》
二十一日，以前任河东节度使李听为义成军节度使。
壬辰，以前河东节度使李听为义成军节度使。
On the 21st day, the former Governor of Hedong Circuit Li Ting was appointed as the Governor of Yicheng Army.
<s>[INST] Kindly elucidate the central themes in this passage in English: 壬辰，以前河东节度使李听为义成军节度使。 [/INST] On the 21st day, the former Governor of Hedong Circuit Li Ting was appointed as the Governor of Yicheng Army.</s>
Kindly elucidate the central themes in this passage in English: 壬辰，以前河东节度使李听为义成军节度使。
user
On the 21st day, the former Governor of Hedong Circuit Li Ting was appointed as the Governor of Yicheng Army.
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