《后汉书·本纪·皇后纪上》
显宗明帝即位，尊阴皇后为皇太后。
显宗即位，尊后为皇太后。
Emperor Ming of Xianzong ascended the throne and honored Empress Yin as Empress Dowager.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 显宗即位，尊后为皇太后。 [/INST] Emperor Ming of Xianzong ascended the throne and honored Empress Yin as Empress Dowager.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 显宗即位，尊后为皇太后。
user
Emperor Ming of Xianzong ascended the throne and honored Empress Yin as Empress Dowager.
assistant