During the Ikedaya Incident (an armed encounter between Activists and the Shinsengumi special police) of July 8, 1864, YOSHIDA was at the inn, but had left temporarily to return to his quarters.
元治元年（1864年）6月5日の池田屋事件では吉田も出席していたが、一度屯所に戻るために席を外す。