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Oda Nobunaga
Oda Nobunaga
Revolutionary of Tenka Fubu
1534-1582 · 享年 48歳
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生涯
Born in 1534 at Nagoya Castle in Owari Province as the eldest son of Oda Nobuhide. His eccentric behavior in youth earned him the nickname "the Great Fool of Owari," yet after inheriting the clan he unified Owari. His surprise victory over the massive Imagawa army at Okehazama in 1560 made his name famous nationwide. In 1568 he marched on Kyoto under the pretext of restoring the Muromachi Shogunate with Ashikaga Yoshiaki and seized control of the capital. In 1573 he expelled Yoshiaki and effectively ended the Muromachi Shogunate, racing toward national unification under the banner Tenka Fubu ("spread martial rule under heaven"). At the Battle of Nagashino in 1575 he destroyed the Takeda cavalry through organized volley fire, achieving a tactical revolution. He revitalized commerce through the rakuichi-rakuza free-market system, abolished tollgates, burned Enryakuji on Mt. Hiei, and suppressed the Ikko-ikki uprisings — boldly challenging existing religious and economic authority. He built Azuchi Castle, erecting Japan's first towering donjon. On June 2, 1582, on the verge of completing national unification, his retainer Akechi Mitsuhide rebelled (the Honnoji Incident) and he died by suicide at Honnoji in Kyoto at age 49.
Personality
An innovator unbound by convention, with both the imagination and the will to act. Though ruthless toward enemies, he valued meritocracy and promoted capable men regardless of birth. His curiosity about Western culture and new technologies such as firearms, combined with his fearlessness in the face of change, swept through the warring states era.
Historical Significance
He charted the path to national unification, providing the foundation on which Hideyoshi and Ieyasu would complete it. His firearms tactics fundamentally transformed warfare in the warring states period, and the free-market system laid the groundwork for early modern commercial economy. The Honnoji Incident, his dramatic end, is deeply etched in Japanese history and continues to inspire countless literary and screen adaptations.
Death Poem
辞 世 の 句
A human life of fifty years — compared to the realm below heaven, it is but a dream, an illusion. Is there any who is born and does not perish?
Famous Anecdotes
Surprise Attack at Okehazama
After dancing Atsumori, he ambushed Imagawa Yoshimoto's 25,000 troops with just 3,000 men and killed Yoshimoto, shocking all of Japan.
The Fool's Youth
In his youth, he was mocked as "The Fool of Owari" for his eccentric behavior, famously throwing incense at his father's funeral. He reportedly reformed after his retainer Hirate Masahide committed suicide in protest.
Free Markets
He abolished guild monopolies and established "Free Markets" — a proto-modern free economy policy that brought prosperity to his castle towns.
The Keep of Azuchi Castle
He built Azuchi Castle with Japan's first true castle keep — a gold-leafed masterpiece symbolizing "Rule the Realm by Force" that became the prototype for all later castles.
Quotes
Jisei
「A human life of fifty years, compared to the realm below Heaven, is but a dream and illusion.」
「It cannot be helped.」
「If the cuckoo does not sing, kill it.」
Oda Nobunaga Timeline
1534
Oda Nobunaga born in Owari
1560
Defeats Imagawa Yoshimoto at Battle of Okehazama
1567
Conquers Mino. Adopts "Tenka Fubu" seal
1568
Enters Kyoto with Ashikaga Yoshiaki
1571
Burns Enryakuji on Mount Hiei
1573
Exiles Yoshiaki. Muromachi Shogunate falls
1575
Defeats Takeda Katsuyori at Battle of Nagashino
1576
Begins construction of Azuchi Castle
1582
Honno-ji Incident. Dies by suicide after Akechi Mitsuhide's betrayal (age 49)
Related Historical Events
1543
Introduction of Firearms
In 1543 a Chinese ship carrying Portuguese travelers drifted ashore on Tanegashima in Ōsumi, where lord Tanegashima Tokitaka purchased two matchlock arquebuses (per the Teppōki chronicle). He ordered the swordsmith Yaita Kinbei to replicate them, and firearms production spread to Sakai, Kunitomo, and Negoro. At Nagashino in 1575, Nobunaga deployed 3,000 muskets to shatter Takeda cavalry. Firearms transformed tactics, castle design, and warrior–peasant relations, revolutionizing Sengoku warfare.
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