1628: the Toshima incident, in which Inspector Akishige TOSHIMA attacked a member of the Shogun's council of elders, Masanari INOUE, in nishi no maru palace (a castle compound to the west of the main compound) with his sword due to complications caused by an offer of marriage and killed Masanari as well Tadakiyo AOKI who was trying to stop him and committed suicide.
寛永5年（1628年）：目付豊島明重が、西の丸表御殿で縁談のもつれから老中井上正就に斬りつけ、正就と制止しようとした青木忠精を殺害し、その場で自害した豊島事件