In Satsuma Domain after the death of Nariakira SHIMAZU, Hisamitsu SHIMAZU, a father of the feudal lord Tadayoshi SHIMAZU, advocated the union of the Imperial Court and the shogunate and purged the exclusionist party against foreigners (the Teradaya Incident), while requested the shogunate government to carry out reforms (Bunkyu Reforms).
薩摩藩では、島津斉彬が死んだ後、後を継いだ藩主島津忠義の父である島津久光が長州藩を牽制すべく公武合体運動を展開し、藩内の攘夷派を粛清（寺田屋事件）し、幕府に改革を要求した（文久の改革）。