《宋书·列传·卷六十三》
刘湛在朝外任职，恰值此时王弘、王华、昙首相继故去，景仁就让刘湛回到朝中，共同参予朝政。
湛尚居外任，会王弘、华、昙首相系亡，景仁引湛还朝，共参政事。
Liu Zhan was appointed outside the court, just when Wang Hong, Wang Hua, and Tan Shou died one after another, Jingren asked Liu Zhan to return to the court to participate in the government together.
<s>[INST] Kindly elucidate the central themes in this passage in English: 湛尚居外任，会王弘、华、昙首相系亡，景仁引湛还朝，共参政事。 [/INST] Liu Zhan was appointed outside the court, just when Wang Hong, Wang Hua, and Tan Shou died one after another, Jingren asked Liu Zhan to return to the court to participate in the government together.</s>
Kindly elucidate the central themes in this passage in English: 湛尚居外任，会王弘、华、昙首相系亡，景仁引湛还朝，共参政事。
user
Liu Zhan was appointed outside the court, just when Wang Hong, Wang Hua, and Tan Shou died one after another, Jingren asked Liu Zhan to return to the court to participate in the government together.
assistant