Oda Nobunaga was a powerful samurai daimyo and warlord of Japan in the late 16th century who initiated the unification of Japan near the end of the Warring States period. He lived a life of continuous military conquest, eventually conquering a third of Japan before his death in a 1582 coup. Oda who would become the first man to unify all of Japan and was thus the first ruler of the whole country since the Ōnin War, and later Tokugawa Ieyasu, who would consolidate his rule under a shogunate, which ruled Japan until the Meiji Restoration in 1868.