The Tairo (chief minister), Naosuke II and roju (member of shogun's council of elders), Akikatsu MANABE signed the Treaty of Amity and Commerce between the United States and Japan without obtaining Imperial sanction and decided to put forward Iemochi TOKUGAWA as successor to the Shogun.
幕府の大老井伊直弼や老中間部詮勝らは、勅許を得ないまま日米修好通商条約に調印し、また徳川家茂を将軍継嗣に決定した。