《明史·列传·卷一百九十七》
原先，杨嗣昌听说贼人进入四川，便进驻重庆。
先是，嗣昌闻贼入川，进驻重庆。
Originally, Yang Sichang heard that the bandits had entered Sichuan, so he驻扎重庆.
<s>[INST] Translate the following Classical Chinese text into English: 先是，嗣昌闻贼入川，进驻重庆。 [/INST] Originally, Yang Sichang heard that the bandits had entered Sichuan, so he驻扎重庆.</s>
Translate the following Classical Chinese text into English: 先是，嗣昌闻贼入川，进驻重庆。
user
Originally, Yang Sichang heard that the bandits had entered Sichuan, so he驻扎重庆.
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