The Ogura Incident was a dispute over succession of the imperial throne in which Emperor Reigen forced Ichinomiya (later Cloistered Imperial Prince Saishin), his oldest son, to become a Buddhist priest in 1681, and purged the greater imperial household of the Ogura family, Ichinomiya's maternal relatives.
小倉事件（おぐらじけん）とは、延宝9年（天和_(日本)元年・1681年）に霊元天皇が皇位継承を巡って第1皇子である一宮（後の済深法親王）を強引に出家させてその外戚に当たる小倉家一族を粛清した事件。