The late Tokugawa shogunate or last shogun (幕末; Bakumatsu) is the period between 1853 and 1867 during which Japan ended its isolationist foreign policy and modernized from a feudal shogunate to the Meiji government. It is at end of Edo period and preceeded by Meiji era.
... turannos. In Classical Antiquity[?] it did not always have inherently negative implications, it merely designated anyone who assumed power for any period of time ...