The Koryaku Coup was a coup d'etat that occurred in 1379 (the fifth year of Tenju (Southern)/first year of Koryaku (Northern)) during the period of the Northern and Southern Courts (Japan), in which the Kanrei, or deputy (de facto leader) of the Muromachi Shogunate, Yoriyuki HOSOKAWA, was overthrown and lost his position.
康暦の政変（こうりゃくのせいへん）は、南北朝時代(日本)の天授(日本)5年/康暦元年（1379年）に室町幕府の管領・細川頼之が失脚した政変である。