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Ōuchi Yoshioki

Type Figure Region Japan Time 1477–1529 Also known as Suō daimyō

Ōuchi Yoshioki (1477–1529), head of the Ouchi clan, holding Suō, Nagato, and other western provinces, was one of the most powerful shugo daimyō of th…

Timeline

  1. 1511–1514Yamaguchi · Suō ProvinceBased in Yamaguchi, Yoshioki consolidated his holdings in Suō and Nagato, controlling Seto Inland Sea trade and western military resources; his power extended across the Chūgoku region and northern Kyūshū, making him one of the strongest provincial daimyō of the late Muromachi period.
  2. 1515–1517Buzen Province · Ouchi sphere of influenceYoshioki formed an alliance with Hosokawa Takakuni, sheltering the exiled Ashikaga Yoshitane, and assembled a western coalition in Buzen and elsewhere, preparing to march north to Kyoto to intervene in shogunal succession disputes and the conflict over the shugo position.
  3. 1518–1520Kyoto · Muromachi shogunateIn 1518 Yoshioki led Ouchi forces into the capital, helping Hosokawa Takakuni defeat rivals including Miyoshi Motonaga, and restoring Ashikaga Yoshitane as shogun; western military force directly determined the politics of the capital region, and Ouchi influence reached its peak.

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