As Emperor Godaigo was expelled to Oki Province in 1331, armies were raised in various parts of the country in response to the call from the emperor to overthrow the Shogunate.
元弘元年（1331年）、後醍醐天皇が隠岐国に遷され、天皇の呼びかけに応えて倒幕の兵が各地で挙がる。