Editing Sengoku period (section)

=== Other regions ===
====Chūgoku region (Mōri Motonari)====
[[File:Mori Motonari.jpg|thumb|[[Mōri Motonari]]]]
[[Mōri Motonari]] was a ''sengoku daimyo'' who pacified the [[Chūgoku region]] and is famous for his parable of the "Three Arrows", which explains the importance of clan unity. In his first battle, the [[Battle of Arita-Nakaide]] in 1517, he defeated the overwhelming majority of the Aki-Takeda clan with a small force, which later became known as the "[[Battle of Okehazama]] in the West" as a battle in which a small force defeated a large army. Motonari became head of the [[Mōri clan]] in 1523 at the age of 27. The [[Amago clan|Amago]] and [[Ōuchi clan]]s were sharing power in the Chūgoku region at the time, and he switched the Mōri clan's allegiance from the Amago to the Ōuchi clan in 1525. Motonari destroyed the Takahashi clan by 1535 and ruled [[Aki province]], [[Iwami province]], and [[Bingo province]], and destroyed the Aki-Takeda clan at the [[Siege of Koriyama]] in 1541. Motonaga adopted his sons into the [[Kikkawa clan]] and [[Kobayakawa clan]]s to expand the power of the Mōri clan, and the three clans cooperated with each other. In 1554, Motonaga became independent of the Ōuchi clan, and after inciting the Ōuchi clan to internal divisions through political maneuvering, he defeated [[Sue Harukata]], who had been in control of the Ōuchi clan, at the [[Battle of Itsukushima]] in 1555, and defeated [[Ōuchi Yoshinaga]] in 1557, destroying the Ōuchi clan and pacifying Nagato and Suou provinces.
Motonari destroyed the Amago clan at the [[Siege of Gassantoda Castle]] in 1567, and then pacified [[Izumo province|Izumo]], [[Oki province|Oki]], and [[Hōki Province|Hōki province]]s, thus pacifying the Chūgoku region, and later extended his power to parts of [[Shikoku]]. He died in 1571 at the age of 75.<ref name="kotomori">{{cite web|url=https://kotobank.jp/word/%E6%AF%9B%E5%88%A9%E5%85%83%E5%B0%B1-16902|archive-url=https://web.archive.org/web/20240317022808/https://kotobank.jp/word/%E6%AF%9B%E5%88%A9%E5%85%83%E5%B0%B1-16902|script-title=ja:毛利元就|language=ja|publisher=Kotobank|date=|archive-date=17 March 2024|access-date=17 April 2024}}</ref><ref name="toukenmori">{{cite web|url=https://www.touken-world.jp/tips/8100/|archive-url=https://web.archive.org/web/20240417075126/https://www.touken-world.jp/tips/8100/|script-title=ja:毛利元就の歴史|language=ja|publisher=The Nagoya Japanese Sword Museum Nagoya Touken World|date=|archive-date=17 April 2024|access-date=17 April 2024}}</ref>

====Hokuriku, Kantō, and Chūbu regions (Uesugi Kenshin)====
[[File:Uesugi Kenshin Portrait from Uesugi Shrine.png|thumb|[[Uesugi Kenshin]]]]
In 1546, [[Hōjō Ujiyasu]] defeated [[Uesugi Tomosada (16th century)|Uesugi Tomosada]] at the [[Siege of Kawagoe Castle]], and the [[Later Hōjō clan]] established its power in the [[Kantō region]].<ref name="jk061222"/>

[[Uesugi Kenshin]] (Nagao Kagetora) was a ''sengoku daimyo'' based in [[Echigo Province]] who fought various ''sengoku daimyo'' and increased his power through aggressive invasions. After unifying Echigo in 1551, he invaded the Kantō region several times from 1552 to 1569 and fought against Hōjō Ujiyasu. He also invaded the territory of [[Takeda Shingen]], who ruled [[Kai Province|Kai]] and [[Shinano Province]]s from 1553 to 1573, and fought in the [[Battle of Kawanakajima]] five times between 1553 and 1564. In 1559, Kenshin had an audience with [[Emperor Ōgimachi]] and the 13th Shogun, Ashikaga Yoshiteru. When [[Imagawa Yoshimoto]] was killed by [[Oda Nobunaga]]'s forces at the [[Battle of Okehazama]] in 1560, the [[:ja:甲相駿三国同盟|Alliance Kai-Sagami-Suruga]] formed in 1554 between Takeda Shingen in Kai, Hojo Ujiyasu in [[Sagami Province|Sagami]], and Imagawa Yoshimoto in [[Suruga Province|Suruga]] was broken. Kenshin used this as an opportunity to seize Hojo Ujiyasu's territories one by one, and cornered the Later Hōjō clan at the [[Siege of Odawara (1561)|Siege of Odawara]] in 1561, but was unable to defeat them. On his return from the Siege of Odawara, he performed a ceremony at the [[Tsurugaoka Hachimangū]] and assumed the position of ''[[Kanrei|kantō kanrei]]''. Kenshin made peace with Hōjō Ujiyasu, who ceded part of his territory to him in 1569, and made Takeda Shingen a common enemy of Kenshin and Ujiyasu, but Shingen died of illness in 1573. After Takeda Shingen's death, he fell out with Oda Nobunaga and destroyed the Noto Hatakeyama clan, which was close to Nobunaga, at the [[Siege of Nanao]] in 1577, pacifying [[Noto Province]]. He then defeated Oda Nobunaga's forces at the [[Battle of Tedorigawa]]. However, he died of a cerebral hemorrhage in 1578 at the young age of 49.<ref name="kotoken">{{cite web|url=https://kotobank.jp/word/%E4%B8%8A%E6%9D%89%E8%AC%99%E4%BF%A1-33780|archive-url=https://web.archive.org/web/20231225094255/https://kotobank.jp/word/%E4%B8%8A%E6%9D%89%E8%AC%99%E4%BF%A1-33780|script-title=ja:上杉謙信|language=ja|publisher=Kotobank|date=|archive-date=25 December 2023|access-date=17 April 2024}}</ref><ref name="toukenken">{{cite web|url=https://www.touken-world.jp/tips/33844/|archive-url=https://web.archive.org/web/20240417042219/https://www.touken-world.jp/tips/33844/|script-title=ja:上杉謙信の歴史|language=ja|publisher=The Nagoya Japanese Sword Museum Nagoya Touken World|date=|archive-date=17 April 2024|access-date=17 April 2024}}</ref>