On July 8, Saiakira operated a large-scale military training grounds for Satsu-gun (Satsuma Army) at Mt. Tempo near Kagoshima Castle (it is also said that he was going to the east capital, Tokyo, with an army), but he died on July 16th.
7月8日、斉彬は鹿児島城下天保山で薩軍の大軍事調練を実施した（兵を率いて東上するつもりであったともいわれる）が、7月16日、急逝した。