Oda clan mon (Japanese emblem) Oda Nobunaga (織田 信長; [ (|) no.bɯ (ꜜ).na.ɡa, -na.ŋa] ⓘ;[4][5] 23 June – 21 June ) was a Japanese daimyō and one of the leading figures of the Sengoku and Azuchi-Momoyama periods. He was the Tenka-bito (天下人; lit. 'person under heaven')[a] and regarded as the first "Great Unifier" of Japan. He is sometimes referred as the "Demon.