《资治通鉴·唐纪·唐纪五十八》
秋季，七月，壬辰夜晚，李臣则等在军帐中把窦瑗杀死，然后，大声呼叫，将士群起响应。
牙将李臣则等作乱，秋，七月，壬辰夜，即帐中斩瑗头，因大呼，府中响应。
In the autumn, in July, on the night of Renchen, Li Chenzhe and the others killed Douyuan in the military tent. Then, they shouted loudly, and the officers and men responded.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 牙将李臣则等作乱，秋，七月，壬辰夜，即帐中斩瑗头，因大呼，府中响应。 [/INST] In the autumn, in July, on the night of Renchen, Li Chenzhe and the others killed Douyuan in the military tent. Then, they shouted loudly, and the officers and men responded.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 牙将李臣则等作乱，秋，七月，壬辰夜，即帐中斩瑗头，因大呼，府中响应。
user
In the autumn, in July, on the night of Renchen, Li Chenzhe and the others killed Douyuan in the military tent. Then, they shouted loudly, and the officers and men responded.
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