Qing emperor, son of 乾隆, who reigned from 1796 to 1820. He began by forcing his father's corrupt favourite 和珅 to kill himself, and his reign is seen as the start of the dynasty's decline.
The White Lotus Rebellion during the Jiaqing era had a major impact.
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history
When he was made heir, the 永 'forever' of his birth name 永琰 was changed to the rare 颙, so his subjects would not have to avoid an everyday character as taboo. The fall of 和珅 gave the saying 和珅跌倒,嘉庆吃饱, 'Heshen falls, Jiaqing eats his fill'.