Battle of Aizu
The 6th "daimyō", Torii Tadatomi, sided with the Satchō Alliance in the Boshin War of the Meiji Restoration, and fought in the Battle of Aizu, despite considerable opposition within the ranks of his samurai. The final "daimyō", Torii Tadafumi was later raised to the rank of viscount in the "kazoku" peerage system, and served as the Japanese consul to the Kingdom of Hawaii.