When the Battle of Toba-Fushimi occurred at the end of Edo period, since the Choshu Domain had its base at Tofuku-ji Temple, Taikoan became an ancestral temple of solders who died in the battle.
幕末の鳥羽・伏見の戦の際、東福寺に長州藩の陣が置かれた縁で、退耕庵は鳥羽伏見の戦の戦死者の菩提寺となっている。