Kyoroku-Tenbun Rebellion

...He spent his life fighting against the domestic shugo faction and allied with the Hatakeyama clan to fight against the Ecchu Ikko Ikki uprisings, and was given the same status as a shugo daimyo by the shogunate. However, he was not successful in becoming a sengoku daimyo during his lifetime, and he repeatedly fought against powerful local people within the country who disliked his growing power (the Kyoroku and Tenbun Wars). In his later years, he handed over the family headship to his eldest son, Harukage, and became his guardian, but he died without ever being able to take control of the entire Echigo province. ...

*Some of the terminology used in reference to the Kyoroku-Tenbun Rebellion is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…国内守護派との抗争，畠山氏と結んで越中一向一揆と戦うなど戦陣に明け暮れる一生を送り，幕府からは守護大名と同等の格式を与えられた。しかし，為景一代では戦国大名化は成功せず，為景の強大化をきらう国内の有力国人衆との抗争が繰り返された(享禄･天文の乱)。晩年，嫡子晴景に家督を譲って後見に当たったが，ついに越後一国を掌握できないまま没した。…

※「享禄・天文の乱」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報