Xuányè hěn xiǎo jiù zuò le huángdì, niánhào Kāngxī.
Xuanye became emperor as a small child, with the reign title Kangxi.
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history
An emperor's personal name was taboo. Under the Qing, 玄 was written without its final dot or replaced by 元, and the north gate of the Forbidden City, 玄武门, was renamed 神武门.