《旧唐书·本纪·卷十七》
初三，任命右金吾卫大将军李为横海节度使，之所以有这个任命，是九月份受任此职的傅良弼在赴任途中病死陕州。
乙酉，以右金吾卫大将军李祐为横海军节度使，新除傅良弼赴镇，卒于陕州故也。
On the third, Li Wei, the General of the Army of the Right Imperial Guard, was appointed as the Protectorate General of Henghai, because Fu Liangbi, who had been appointed to this position in September, died of illness in Shaanzhou on his way to take up his post.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 乙酉，以右金吾卫大将军李祐为横海军节度使，新除傅良弼赴镇，卒于陕州故也。 [/INST] On the third, Li Wei, the General of the Army of the Right Imperial Guard, was appointed as the Protectorate General of Henghai, because Fu Liangbi, who had been appointed to this position in September, died of illness in Shaanzhou on his way to take up his post.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 乙酉，以右金吾卫大将军李祐为横海军节度使，新除傅良弼赴镇，卒于陕州故也。
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On the third, Li Wei, the General of the Army of the Right Imperial Guard, was appointed as the Protectorate General of Henghai, because Fu Liangbi, who had been appointed to this position in September, died of illness in Shaanzhou on his way to take up his post.
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