A daimyo was a powerful feudal lord in Japan during the Edo period (1603-1868). They governed large estates and had their own samurai warriors. The daimyo played a crucial role in the political and military structure of Japan, often engaging in battles for territory and influence. Daimyo were granted land by the shogun, the military ruler of Japan, in exchange for loyalty and military service. They were responsible for the administration of their domains, including tax collection and maintaining order. The daimyo system was a key part of Japan's feudal hierarchy until the Meiji Restoration in 1868, which led to the modernization of the country.