an Entity references as follows:
The Genkō War (元弘の乱, Genkō no Ran), also known as the Genkō Incident (元弘の變, Genkō no Hen), was a civil war fought in Japan between the Emperor Go-Daigo and the Kamakura Shogunate from 1331 to 1333. The Genkō War was named after Genkō, the Japanese era corresponding to the period of 1331 to 1334 when the war occurred.