 Siege of Kasagi

The 1331 siege of Kasagi was among the first battles of the Genkō War, which brought an end to Japan's Kamakura period.Emperor Go-Daigo, who had been plotting against the shogunate and the Hōjō clan regents, had hidden the Japanese imperial regalia in Kasagi-dera, a fortified Buddhist temple, atop Kasagiyama, just outside Kyoto, and was secretly raising an army from there.