《资治通鉴·后晋纪·后晋纪四》
契丹主耶律德光屯驻元城，赵延寿屯驻南乐，契丹任命赵延寿为魏博节度使，封爵魏王。
契丹主屯元城，赵延寿屯南乐；以延寿为魏博节度使，封魏王。
Khitan ruler Yelü Deguang stationed his troops in Yuancheng, Zhao Yanshou in Nanle; the Khitans appointed Zhao Yanshou as Weibo Circuit Commander, and bestowed the title of Duke of Wei upon him.
<s>[INST] Kindly elucidate the central themes in this passage in English: 契丹主屯元城，赵延寿屯南乐；以延寿为魏博节度使，封魏王。 [/INST] Khitan ruler Yelü Deguang stationed his troops in Yuancheng, Zhao Yanshou in Nanle; the Khitans appointed Zhao Yanshou as Weibo Circuit Commander, and bestowed the title of Duke of Wei upon him.</s>
Kindly elucidate the central themes in this passage in English: 契丹主屯元城，赵延寿屯南乐；以延寿为魏博节度使，封魏王。
user
Khitan ruler Yelü Deguang stationed his troops in Yuancheng, Zhao Yanshou in Nanle; the Khitans appointed Zhao Yanshou as Weibo Circuit Commander, and bestowed the title of Duke of Wei upon him.
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