Kukai died on this day 1188 years ago, aged 60.
- Kukai came from a rich aristocratic family said to be a cadet branch of the Ōtomo family.
- Kukai became a Buddhist monk, and published his first work in 798: Sangō Shiiki, an allegorical story explaining how he believed Buddhism was superior to Confucianism and Taoism.
- In 804, he went to China on a state-sponsored trip, where he was introduced to Esoteric Buddhism. He returned to Japan in 806, having learned Chinese calligraphy and the Sanskrit language.
- Kukai established a temple at Mount Koya in 816 after Emperor Saga allowed him to. It was consecrated in 819, but he was unable to practice his teachings there as he became involved in politics (as an advisor to the secretary of state).
- Kukai was known for refurbishing the Manno Reservoir in 822.
- Kukai would continue to gain influence in Japanese Buddhism, becoming an overseer of state rituals in 827.
- Kukai established a school in (what is now) Kyoto in 828, opening it to people from all social statuses.
- Kukai published a very long work in 830 called the Jūjūshinron, AKA the Treatise on The Ten Stages of the Development of Mind.
TLDR: