《资治通鉴·后周纪·后周纪三》
丁丑，后周在代州设置静塞军，任命郑处谦为节度使。
丁丑，置静塞军于代州，以郑处谦为节度使。
On Dingchou, the Later Zhou Dynasty established the Jingse Army in Dai Prefecture and appointed Zheng Chuxian as military governor.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 丁丑，置静塞军于代州，以郑处谦为节度使。 [/INST] On Dingchou, the Later Zhou Dynasty established the Jingse Army in Dai Prefecture and appointed Zheng Chuxian as military governor.</s>
Explain the meaning of this Classical Chinese passage in English: 丁丑，置静塞军于代州，以郑处谦为节度使。
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On Dingchou, the Later Zhou Dynasty established the Jingse Army in Dai Prefecture and appointed Zheng Chuxian as military governor.
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