Sanbu Isso no Honan' in China: the persecution of Buddhism conducted by Taiwudi of Northern Wei (Northern Wei), by Han Wudi of Northern Thou (Northern Thou), by Wuzong of Tang (Tang) and by Sejong of Later Thou (Later Thou).
中国での「三武一宗の法難」と呼ばれる北魏の太武帝(北魏)・北周の武帝(北周)・唐の武宗(唐)・後周の世宗(後周)による仏教への弾圧。