Oda Nobunaga

Oda Nobunaga
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Name	Oda Nobunaga
Caption	Portrait by Kanō Motohide
Birth date	23 June 1534
Birth place	Nagoya Castle, Owari Province
Death date	21 June 1582 (aged 47)
Death place	Honnō-ji, Kyoto
Allegiance	Oda clan
Rank	Daimyō, Udaijin
Battles	Battle of Akatsuka – Battle of Muraki – Battle of Kiyosu – Battle of Inō – Battle of Ukino – Battle of Okehazama – Siege of Inabayama Castle – Battle of Anegawa – Siege of Mount Hiei – Siege of Nagashima – Battle of Nagashino – Siege of Ishiyama Hongan-ji – Battle of Tedorigawa – Honnō-ji Incident
Spouse	Nōhime
Children	Oda Nobutada, Oda Nobukatsu, Oda Nobutaka, others

Oda Nobunaga. A major daimyō of the Sengoku period, he initiated the process of military unification that would later be completed by his successors, Toyotomi Hideyoshi and Tokugawa Ieyasu. Known for his ruthless tactics, strategic brilliance, and embrace of new technologies, he overthrew long-standing institutions and reshaped the political landscape of Japan. His career was abruptly ended by betrayal at the Honnō-ji Incident, but his revolutionary impact laid the foundation for the Azuchi–Momoyama period and the eventual Tokugawa shogunate.

Early life and rise to power

Born at Nagoya Castle in Owari Province, he was the second son of Oda Nobuhide, a minor warlord of the Oda clan. His unconventional behavior in youth earned him the nickname "The Fool of Owari." Following his father's death, a succession dispute erupted within the clan, pitting him against his younger brother, Oda Nobuyuki, and a powerful uncle, Oda Nobutomo, who controlled Kiyosu Castle. With the support of retainers like Hayashi Hidesada and Shibata Katsuie, he eliminated his rivals, consolidating his position as head of the main Oda branch. A key early victory was the Battle of Inō in 1556 against forces loyal to his brother, after which he ordered Nobuyuki's execution.

Unification of Owari and Mino

His consolidation of Owari Province faced a significant external threat from the powerful Imagawa clan of Suruga Province. In 1560, the massive army of Imagawa Yoshimoto invaded Owari, leading to the decisive Battle of Okehazama. Exploiting a storm and a bold surprise attack, his forces routed the invaders and killed Yoshimoto, a victory that catapulted him to national prominence. He then turned his attention north to Mino Province, ruled by the Saitō clan. After the internal collapse of the Saitō following the assassinations of Saitō Yoshitatsu and Saitō Tatsuoki, he captured the key fortress of Inabayama Castle in 1567 with the aid of strategists like Takenaka Hanbei and Akechi Mitsuhide. Renaming the castle Gifu Castle and adopting a seal reading "Tenka Fubu" (天下布武, "Spread military rule under the heavens"), he declared his ambition for national hegemony.

Campaigns for national unification

In 1568, he answered a request from Ashikaga Yoshiaki to march on the capital, Kyoto, and install Yoshiaki as the fifteenth Ashikaga shogun. This move provided him with nominal legitimacy. He then embarked on a series of relentless campaigns to subjugate rival daimyō and powerful religious institutions. Major conflicts included the defeat of the allied Azai clan and Asakura clan at the Battle of Anegawa in 1570, and the brutal destruction of the warrior-monks of Enryaku-ji on Mount Hiei in 1571. His most famous military engagement was the Battle of Nagashino in 1575, where his innovative use of concentrated arquebus fire by rotating ranks decimated the renowned cavalry of the Takeda clan under Takeda Katsuyori. He also waged a protracted war against the Ikkō-ikki militants, culminating in the fall of their stronghold, Ishiyama Hongan-ji, in 1580.

Governance and innovations

He implemented radical policies to break down traditional barriers to trade and centralize economic power. He abolished toll barriers (関所) and promoted free market activity through policies known as Rakuichi Rakuza. He was an early adopter of European technology and culture, enthusiastically employing firearms, building large stone castles like Azuchi Castle, and wearing Western-style clothing. He fostered trade with the Portuguese and patronized Jesuit missionaries like Luís Fróis. His administration also conducted extensive land surveys and standardized measurements, practices later expanded by Toyotomi Hideyoshi.

Incident at Honnō-ji and death

In 1582, while resting at the Honnō-ji temple in Kyoto with a small guard, he was betrayed and attacked by the forces of his general, Akechi Mitsuhide. The reasons for Mitsuhide's coup, known as the Honnō-ji Incident, remain debated but may have involved personal resentment or political ambition. Greatly outnumbered, he is said to have committed seppuku as the temple burned around him. His death at age 47 sent shockwaves through Japan; his loyal retainer Toyotomi Hideyoshi swiftly avenged him by defeating Akechi Mitsuhide at the Battle of Yamazaki.

Legacy and historical assessment

He is remembered as a brutal yet transformative figure who shattered the old order of the Sengoku period. His military strategies, economic reforms, and embrace of innovation directly enabled the subsequent unifications by Toyotomi Hideyoshi and Tokugawa Ieyasu. In popular culture, he is frequently depicted in works such as the video game series Samurai Warriors and films like Kagemusha. Historical assessments, from the chronicle Shincho Koki to modern analyses, portray him as both a merciless destroyer of Buddhist institutions and a visionary architect of early modern Japan.

Category:1534 births Category:1582 deaths Category:Oda clan Category:Daimyo Category:Sengoku period