Oda Nobunaga was a SAMURAI who lived in the Sengoku era.
He is one of the most famous person in all SAMURAI.
He adopted the innovative method of politics and military affairs, and ruled a great deal of the land of Japan.
He was originally a daimyou of Owari(current Aichi prefecture), but he expanded his territory one after another.
Nobunaga is also known by "Okehazama no tatakai"(The battle of Okehazama).
In this battle, he defeated armies of Imagawa Yoshimoto who was great daimyou.
It's said that Nobunaga's army was a one-tenth numbers of the army of Yoshimoto then.
He had many other great legends, but he was short-tempered by nature, and despised his subordinates.
For that reason, he was killed at age of 49 by Akechi Mitsuhide who was his subordinate.