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INTERACTIVE BATTLE

The Fall of Oyama Gobo

Tenshō 8 · Oyama Gobo, Kaga Province (now Kanazawa Castle Park, Kanazawa, Ishikawa)

After Nobunaga's peace with the Ishiyama Hongan-ji, Sakuma Morimasa, serving under Shibata Katsuie, took Oyama Gobo, the headquarters of the Kaga Ikkō-ikki. The fall of its nearly century-old center brought Kaga under effective Oda control.

Background

The Kaga Ikkō-ikki had effectively ruled Kaga Province since the Bunmei era (1470s). Oyama Gobo (Kanazawa Gobo) was founded in 1546 as a Hongan-ji stronghold and served as the ikki's center ever since. When Nobunaga made peace with the Ishiyama Hongan-ji in 1580, the Kaga ikki lost its backing and became a target for the Oda's Hokuriku army.

Outcome

The Oda Hokuriku army took and destroyed Oyama Gobo. Sakuma Morimasa then built a castle on the site and became its first lord as Kanazawa Castle. Resistance continued, however, among the Yamanouchi-sōshō in the Hakusan foothills at Torigoe and Futokoro castles.

The Fall of Oyama Gobo — Oyama Gobo, Kaga Province (now Kanazawa Castle Park, Kanazawa, Ishikawa)

Course of the battle

1　1580

Oyama Gobo falls

After Nobunaga's peace with the Ishiyama Hongan-ji, Sakuma Morimasa, serving under Shibata Katsuie, took Oyama Gobo, headquarters of the Kaga Ikkō-ikki. He then built a castle on the site and became its first lord.

佐久間盛政

Takes Oyama Gobo and becomes first lord of Kanazawa

柴田勝家

Directs the invasion of Kaga at the head of the Hokuriku army

Sources14·Certainty: High

Historical significance

The loss of the Kaga ikki's political center brought the province under effective Oda control. Maeda Toshiie would later rule this land, but he did not receive Kaga until 1583, after the Battle of Shizugatake; at this point he was still lord of Fuchū in Echizen.

Key figures

織田氏

2

柴田勝家

Commander of the Hokuriku army

Led the Hokuriku army from his base at Kita-no-shō in Echizen, and directed the invasion of Kaga and the attack on Oyama Gobo.

Sources1·Certainty: High

佐久間盛政

Led the attack on Oyama Gobo; first lord of Kanazawa Castle

Shibata Katsuie's nephew. He led the front line in the Kaga campaign and became the first lord of the castle built on the site of Oyama Gobo after its fall.

Sources1·Certainty: High

Other events of 1580

2/2　播磨国三木城落城Month 8　相模国北条氏直が家督を継承摂津国石山合戦終結但馬国羽柴秀長が出石・有子山城に入る播磨国羽柴秀吉が姫路城を中国攻めの拠点とする

Notes on the data

月日は確認できた公的資料（石川県・白山市）では特定されていないため、年のみを記す。前田利家はこの時点では越前府中城主で、加賀侵攻そのものへの従軍を示す資料は確認できていないため、参戦者には含めていない。

Sources consulted

  1. 石川県「金沢城の歴史」（金沢城公園）
  2. 白山市「史跡鳥越城跡附二曲城跡」
  3. 石川県「七尾城跡・鳥越城跡附二曲城跡」（県指定文化財解説）
  4. 城郭マスタ（shiro.geojson）

The numbers in the text refer to the list above. Certainty indicates how far a statement is supported by the cited sources; it does not refer to the precision of the coordinates or the dating.

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