Kemmu Restoration

The Kemmu Restoration (1333–1336) was Emperor Go-Daigo's bold but ultimately doomed attempt to restore direct imperial rule after the fall of the Kamakura shogunate. Go-Daigo rallied warriors including Kusunoki Masashige and Nitta Yoshisada. The legendary sword-offering of Yoshisada at Inamura-ga-saki — where he cast a golden tachi into the sea as an offering to the sea god before the miraculous recession of the tide — encapsulates the era's intertwining of swords, divine authority, and warrior loyalty. Go-Daigo's regime, however, favored court nobles over samurai and could not satisfy the warrior class. Kusunoki Masashige, the great loyalist, died at the Battle of Minatogawa (1336) in a celebrated double suicide with his brother, the sword serving as the instrument of their ultimate sacrifice for emperor and honor. Ashikaga Takauji's betrayal and installation of a rival northern emperor opened six decades of civil war. The explosive demand for swords during this period propelled the great Bizen, Sōshū, Yamato, and Mino schools into their most productive era, producing the bold ō-kissaki blades characteristic of the Nanbokuchō period — powerful, oversized, deeply curved — works now classified as national treasures that physically embody the violent grandeur of this transformative age.