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Rise of the Warring States Daimyo (1501–1510)

Type Event Region Japan Time 1501–1510

In the first decade of the 16th century, battles among shugo daimyo and kokujin groups intensified across Japan, with local armed fragmentation becom…

Timeline

  1. 1501–1505Japanese archipelago · JapanAfter the Ōnin War the shugo daimyo system collapsed, and kokujin (local samurai lords) in each province seized lands and castles through "gekokujō" (the low overthrowing the high). Around 1501, the shugo authority of the Shiba clan in Owari and the Yamana clan in Tajima continued to decline, while emerging forces filled the power vacuum.
  2. 1505–1508Kinai (Kinki region) · KinkiHosokawa Takakuni and Miyoshi Masanaga fought fiercely in the Kinai region, while western daimyo such as Ōuchi Yoshioki and Amago Tsunehisa took the opportunity to expand. Turmoil in central politics and local fragmentation reinforced each other; daimyo in each province were no longer bound by the shogunate and formed alliances or waged war on their own.
  3. 1508–1510Japanese archipelago · JapanBy 1510, daimyo everywhere commonly built mountain castles, codified domain laws, and organized their retainer bands, using castles as bases to control surrounding estates. Future giants such as Oda, Takeda, and Uesugi were already accumulating strength within their domains, and the Warring States daimyo system was essentially taking shape.

Sources