Battle of Yamazaki

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Battle of Yamazaki
Yamazaki04.jpg
Yamazaki Battlefield
DateJuly 2, 1582
Location34°54′25.4″N 135°41′28.8″E / 34.907056°N 135.691333°E / 34.907056; 135.691333Coordinates: 34°54′25.4″N 135°41′28.8″E / 34.907056°N 135.691333°E / 34.907056; 135.691333
Result Oda clan victory;
Hideyoshi begins his consolidation of power
Territorial
changes
Hideyoshi taking Nobunaga's authority and power
Belligerents
Mizu-Iro Tokikikyo.png Forces of the Akechi clan Oda emblem.svg Forces of the Oda clan
Commanders and leaders
Akechi Mitsuhide Executed
Akechi Hidemitsu 
Akechi Mitsutada 
Akechi Mitsuyoshi 
Saitō Toshikazu 
Saitō Toshimitsu 
Matsuda Masachika 
Nabika Kamon
Mimaki Kaneaki 
Ise Sadaoki 
Abe Sadamasa
Shibata Katsusada
Tsuda Nobuharu
Murakami Kiyokuni
Toda Yukimasa
Suwa Morinao
Horio Shobei
Hashiba Hideyoshi
Niwa Nagahide
Ikeda Tsuneoki
Hachiya Yoritaka
Oda Nobutaka
Hashiba Hidekatsu
Hashiba Hidenaga
Horio Yoshiharu
Katō Mitsuyasu
Katō Kiyomasa
Takayama Ukon
Nakagawa Kiyohide
Hachisuka Iemasa
Kuroda Yoshitaka
Hori Hidemasa
Ikoma Chikamasa
Nakamura Kazuuji
Kimura Shigeori
Mikoda Masaharu
Strength
10,000~16,000 20,000~40,000
Casualties and losses
3,000 killed 3,300 killed
Battle of Yamazaki is located in Kyoto Prefecture
Battle of Yamazaki
Location within Kyoto Prefecture
Battle of Yamazaki is located in Japan
Battle of Yamazaki
Battle of Yamazaki (Japan)

The Battle of Yamazaki (山崎の戦い, Yamazaki no tatakai) was fought in 1582 in Yamazaki, Japan, located in current-day Kyoto Prefecture. This battle is sometimes referred to as the Battle of Mt. Tennō (天王山の戦い Tennō-zan no tatakai).

In the Honnō-ji Incident, Akechi Mitsuhide, a retainer of Oda Nobunaga, attacked Nobunaga as he rested in Honnō-ji, and forced him to commit seppuku. Mitsuhide then took over Nobunaga's power and authority around the Kyoto area. Thirteen days later, Oda's forces under Toyotomi Hideyoshi met Mitsuhide at Yamazaki and defeated him, avenging his lord (Nobunaga) and taking Nobunaga's authority and power for himself.

Background[edit]

War Council Before the Battle of Yamazaki by Sadahide (1807-1873)

Honnō-ji Incident[edit]

When Nobunaga died, Hideyoshi was busy fighting the Mōri clan in the Siege of Takamatsu. After betraying and defeating Nobunaga at Honnō-ji, Mitsuhide sent a letter to the Mōri. The letter contained a request for an alliance to crush Hideyoshi, but the letter's messenger was intercepted by Hideyoshi's forces and the plot was revealed.[1]

Great Chugoku retreat[edit]

Upon hearing news that Nobunaga had been killed, and that Akechi Mitsuhide had taken command of his possessions, Hashiba Hideyoshi immediately negotiated a peace treaty with the Mōri by demanding the seppuku of Shimizu Muneharu from Takamatsu, and remained careful to keep Nobunaga's death a secret. Once the treaty was secured, on 25 June, Hideyoshi's forces retreated from Chugoku region and he led his troops on a forced march towards Kyoto, covering up to 40 km a day, spending the night at his Himeji Castle, and reaching Amagasaki on 29 June. Niwa Nagahide and Oda Nobutaka joined him as he passed through Osaka.[1]

Prelude[edit]

Akechi Mitsuhide controlled two castles (Shōryūji and Yodo) in the Yamazaki region. Learning of the size of Hideyoshi's army and not wanting to be caught inside a castle with his force divided, Mitsuhide resolved to prepare for battle somewhere to the south. Due to its position between a river and a mountain, Yamazaki provided Mitsuhide with choke points that could ease the number of enemies his forces would have to face at any one time.[1]: 27 

Meanwhile, Hideyoshi decided that a wooded area called Mount Tennōzan, just outside the town of Yamazaki, was key to strategic control of the road to Kyoto. He sent a detachment under Nakagawa Kiyohide to secure this area, while he led the majority of the army to Yamazaki himself. His forces took over the mountain and gained a significant advantage.[1]: 27 [2]

Mitsuhide arranged his army behind a small river (the Enmyōji-gawa), which provided an excellent defensive position. On the night of 1 July, Hideyoshi's generals Nakamura Kazuuji and Horio Yoshiharu sent a number of ninja into the Mitsuhide camp, setting fire to buildings and generally causing fear and confusion, and therefore robbing the enemy of their sleep for most of the night.[1]: 27, 29 

The Battle[edit]

On the following morning, the main fighting began as Hideyoshi's men began to form up along the opposite shore of the Enmyōji-gawa from the enemy, and a portion of Mitsuhide's samurai, led by Matsuda Masachika and Nabika Kamon, crossed the river, seeking to make their way up the wooded Tennōzan hill. They were driven back by arquebus fire, and so Hideyoshi felt confident enough to launch the right wing of his forces, under the command of Kato Mitsuyasu and Ikeda Tsuneoki, across the river, and into Mitsuhide's front lines. They made some progress, and were soon joined by the left wing, with support from atop Mount Tennōzan. The majority of Mitsuhide's men fled, with the exception of the 200 men under Mimaki Kaneaki, who charged and were destroyed by Hideyoshi's larger force.[1]: 29 [2]

Soon, panic set in among the Akechi army, and Hideyoshi's army chased them back to Shōryūji, where the garrison collapsed. Mitsuhide himself fled much further, to the town of Ogurusu, where he was killed by a gang of bandits.[1]: 29  Mitsuhide is thought to have been killed by a bandit known as Nakamura about two weeks after the battle.

In popular culture[edit]

The Battle of Yamazaki is the final stage of Akechi Mitsuhide in Samurai Warriors and the first stage of Toyotomi Hideyoshi in Samurai Warriors 2. It also features as a campaign map in The Conquerors expansion of the real-time strategy game Age of Empires II.

The battle is also the basis for the Sonny Chiba martial arts film Shogun's Ninja.

References[edit]

  1. ^ a b c d e f g Turnbull, Stephen (2010). Toyotomi Hideyoshi. Oxford: Osprey Publishing. pp. 23–27. ISBN 9781846039607.
  2. ^ a b Turnbull, Stephen (1998). The Samurai Sourcebook. London: Cassell & Co. pp. 275–279. ISBN 9781854095237.

Further reading[edit]

  • De Lange, William. Samurai Battles: The Long Road to Unification. Toyp Press (2020) ISBN 978-949-2722-232