At the end of 1863, responding to a forceful request for the expulsion of foreigners by Emperor Komei, the Edo bakufu (feudal government headed by a shogun) dispatched a mission led by a Gaikoku bugyo (corresponding to a foreign minister), Nagaoki IKEDA, to France in order to close Yokohama Port.
1863年末、江戸幕府が孝明天皇の強い攘夷論の要望から横浜港を鎖港するために外国奉行池田長発を正使とする交渉団をフランスへ派遣した。