《宋史·列传·卷四十九》
宋神宗即位后，升他为静难军留后，召还京城。
神宗即位，迁静难军留后，召还。
After Song Shenzong ascended the throne, he promoted him to be Jinnan Jun Liuhou and summoned him back to the capital.
<s>[INST] Kindly elucidate the central themes in this passage in English: 神宗即位，迁静难军留后，召还。 [/INST] After Song Shenzong ascended the throne, he promoted him to be Jinnan Jun Liuhou and summoned him back to the capital.</s>
Kindly elucidate the central themes in this passage in English: 神宗即位，迁静难军留后，召还。
user
After Song Shenzong ascended the throne, he promoted him to be Jinnan Jun Liuhou and summoned him back to the capital.
assistant