Daimyo
Also known as daimio, daimyō
thumb|upright=1.5|A map of the territories of the Sengoku daimyo around the first year of the Genki era (1570 AD)
AI overview
A daimyo was a powerful feudal lord in medieval and early-modern Japan who controlled a territory and its people. Daimyo mattered because they dominated Japanese politics and warfare for centuries, particularly during the Sengoku period (around 1570 AD shown in the map), when they competed for power and shaped the nation's political landscape.
AI-generated from the Wikipedia summary — may contain errors.