
Moved the capital to Heian-kyo establishing Kyoto.
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Emperor Kanmu abandoned the new capital at Nagaoka-kyo after only ten years, following a series of disasters and political intrigues, including the assassination of the chief architect. The move to Heian-kyo was motivated by a desire for a fresh start.
Emperor Kanmu launched military campaigns to subdue the Emishi tribes in northern Honshu. Led by generals like Sakanoue no Tamuramaro, the campaigns expanded Japanese control into the Tohoku region. The Emishi were eventually defeated or assimilated.
Emperor Kanmu moved the imperial capital from Nagaoka-kyo to Heian-kyo (modern Kyoto). The new city was laid out on a grid pattern modeled after Chang'an. This move established Kyoto as the imperial capital for over a thousand years.
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