Sumihiro OMURA became the 12th and last lord in the final days of the Tokugawa shogunate when opinion in the domain was largely divided between support for the Bakufu and support for the pro-imperialists.
最後の藩主である第12代藩主・大村純熈が藩主に就任した時代は幕末であり、藩論は佐幕と勤王に大きく分かれた。