Lee Bong-chang, an activist for Korean independence, hurled a grenade at the horse-drawn carriage of the Emperor Showa when the Emperor was on his way home after the military review of the Japanese Army taken place outside the Sakuradamon Gate, and in the Incident one imperial guard was injured.
朝鮮独立運動の活動家・李奉昌（イ・ボンチャン）が1932年1月8日、桜田門外において陸軍始観兵式を終えて帰途についていた昭和天皇の馬車に向かって手榴弾を投げつけ、近衛兵一人を負傷させた事件。