《旧唐书·本纪·卷五》
二十九日，皇太子弘在国学陈设酒食以祭祀先圣先师，赠颜回为太子少师，曾参为太子少保。
癸未，皇太子弘释奠于国学。赠颜回太子少师，曾参太子少保。
On the 29th day, Crown Prince Hong set up food and drinks at the Guoxue to offer sacrifice to past saints and sages. Yan Hui was honored with the title of Junior Teacher, and Zeng Can with the title of Junior Protector.
<s>[INST] Kindly elucidate the central themes in this passage in English: 癸未，皇太子弘释奠于国学。赠颜回太子少师，曾参太子少保。 [/INST] On the 29th day, Crown Prince Hong set up food and drinks at the Guoxue to offer sacrifice to past saints and sages. Yan Hui was honored with the title of Junior Teacher, and Zeng Can with the title of Junior Protector.</s>
Kindly elucidate the central themes in this passage in English: 癸未，皇太子弘释奠于国学。赠颜回太子少师，曾参太子少保。
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On the 29th day, Crown Prince Hong set up food and drinks at the Guoxue to offer sacrifice to past saints and sages. Yan Hui was honored with the title of Junior Teacher, and Zeng Can with the title of Junior Protector.
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