《元史·本纪·卷七》
十六日，恢复平滦路的抚宁县，把海山、昌黎两县划入。
乙卯，复平滦路抚宁县，以海山、昌黎入之。
On the 16th, Fuping County, Pinglu Road, was restored, and Haishan and Changli counties were incorporated into it.
<s>[INST] Provide a modern Chinese interpretation of the following Classical Chinese passage: 乙卯，复平滦路抚宁县，以海山、昌黎入之。 [/INST] 十六日，恢复平滦路的抚宁县，把海山、昌黎两县划入。</s>
Provide a modern Chinese interpretation of the following Classical Chinese passage: 乙卯，复平滦路抚宁县，以海山、昌黎入之。
user
十六日，恢复平滦路的抚宁县，把海山、昌黎两县划入。
assistant