born 737, Nara, Japan
died April 9, 806, Heian-kyō [Kyōto]
Emperor of Japan (781–806).
To curb the power of the Buddhist temples located in Nara, he moved the capital from Heijō-kyō (Nara) to Nagaoka in 784 and then to the city of Heian-kyō in 794. The establishment of the capital in Heian-kyō marked the start of the Heian period .