《资治通鉴·齐纪·齐纪八》
六月戊辰，北魏追封宣武帝之母高氏为文昭皇后，配享孝文帝，并且增修其旧墓，号为终宁陵。
六月，戊辰，魏追尊皇妣高氏为文昭皇后，配飨高祖，增修旧冢，号终宁陵。
In June, wuchen, Northern Wei posthumously honored Emperor Xuanwu's mother, Gao, as Empress Wenzhao, and granted her the right to share offerings with Emperor Xiaowen, and also extended her old tomb, which was known as Zhongningling.
<s>[INST] Kindly elucidate the central themes in this passage in English: 六月，戊辰，魏追尊皇妣高氏为文昭皇后，配飨高祖，增修旧冢，号终宁陵。 [/INST] In June, wuchen, Northern Wei posthumously honored Emperor Xuanwu's mother, Gao, as Empress Wenzhao, and granted her the right to share offerings with Emperor Xiaowen, and also extended her old tomb, which was known as Zhongningling.</s>
Kindly elucidate the central themes in this passage in English: 六月，戊辰，魏追尊皇妣高氏为文昭皇后，配飨高祖，增修旧冢，号终宁陵。
user
In June, wuchen, Northern Wei posthumously honored Emperor Xuanwu's mother, Gao, as Empress Wenzhao, and granted her the right to share offerings with Emperor Xiaowen, and also extended her old tomb, which was known as Zhongningling.
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