Emperor Tenji

Emperor Tenji (626–672), formerly Naka no Ōe, was Japan's 38th sovereign. In 645 he and Nakatomi no Kamatari killed Soga no Iruka in the Isshi incident, and as crown prince he drove the Taika reforms. His Paekche relief armies were crushed by Tang China at Baekgang in 663.

He issued the Ōmi-ryō code, moved the court to Ōtsu, and was enthroned in 668, granting Kamatari the surname Fujiwara the next year. When he died in 672 his brother Prince Ōama defeated his son Prince Ōtomo in the Jinshin War.