Gen'ō (元応) was a Japanese era name (年号) after Bunpō and before Genkō. This period spanned the period from April 1319 through February 1321. The reigning Emperor was Go-Daigo-tennō (後醍醐天皇).

Change of era

Events of the Gen'ō era

After the abdication of Emperor Hanazono in Bunpō 2, Takaharu-shinno was proclaimed emperor at the age of 31. Nijō Michihira was kampaku (chancellor); but the court remained under the direction of former-Emperor Go-Uda. Prince Morikuni was the shōgun in Kamakura; and the daimyō of Sagami, Hōjō Takatoki, was shikken or chief minister of the shogunate.