Ashikaga Yoshiaki (5 December 1537 – 19 October 1597) was the fifteenth and final shogun of the Ashikaga shogunate in Japan, reigning from 1568 to 1573. His father, Ashikaga Yoshiharu, held the position of the twelfth shogun, and his brother, Ashikaga Yoshiteru, followed as the thirteenth shogun.
Born to Ashikaga Yoshiharu on 5 December 1537, Yoshiaki initially entered Kofuku-ji temple as a monk. However, when his elder brother Yoshiteru fell victim to the Miyoshi clan, Yoshiaki returned to secular life, assuming the name "Yoshiaki". During this time, the Ashikaga shogunate faced significant decline, with its authority largely disregarded throughout Japan. Nevertheless, various factions still vied for control of the central government, as it retained some prestige despite its weakened state. Ashikaga Yoshiteru made attempts to overthrow the Miyoshi, who effectively controlled him. Yet, his conspiracies led to a coup orchestrated by the Miyoshi and Matsunaga Hisahide, ultimately compelling Yoshiteru to take his own life. Subsequently, they attempted to install Ashikaga Yoshihide as the fourteenth shogun in Kyoto, but they struggled to maintain control over the capital.
Not until Ashikaga Yoshiaki secured the support of warlord Oda Nobunaga did an effective central authority return to Kyoto. In 1568, Oda's armies entered Kyoto, reinstating the Muromachi shogunate with Ashikaga Yoshiaki as a nominal shogun. This marked the onset of the Azuchi–Momoyama period. The fourteenth shogun, Yoshihide, was deposed without ever setting foot in the capital. In due course, Yoshiharu grew discontented with Oda Nobunaga's dominance and sought to reclaim state power.
In 1573, Ashikaga Yoshiharu sought the assistance of another warlord, Takeda Shingen, in overthrowing the Oda clan. In response, Oda Nobunaga deposed the shogun, compelling him to flee the capital. Most historians consider this the definitive conclusion of the Ashikaga shogunate. Yoshiaki embraced the life of a Buddhist monk, shaving his head and adopting the name Sho-san, later changed to Rei-o In. Nevertheless, Yoshiaki did not formally relinquish his shogunal title. Consequently, the Ashikaga shogunate's symbolic existence could be said to have persisted for several more years. Despite a restored central authority in Kyoto and Oda Nobunaga's efforts to unify the country, the power struggle among warring states persisted. Yoshiaki served as a focal point for anti-Oda forces. He even raised troops and dispatched them to engage Oda Nobunaga's army during the Ishiyama Hongan-ji War. Even after Oda Nobunaga's passing in 1582, the former shogun continued his endeavors to regain power.
See also
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Saito Tatsuoki
Saito Tatsuoki (6 September 1548 - 1573) was a daimyo of Mino Province during Japan's Sengoku period and the third-generation lord of the Saito clan. He was the son of Saito Yoshitatsu and grandson of Saito Dosan. His mother was a daughter of Azai Hisamasa, making him a nephew of Azai Nagamasa and a relative of Oda Nobunaga's first wife, Nohime, who was also a daughter of Saito Dosan.
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Kyogoku Tadataka
Kyogoku Tadataka (1593–1637) was a Japanese nobleman and the head of the Kyogoku clan during the early 17th century, a pivotal time marked by the Tokugawa consolidation of power. His childhood name was Kumamaro, and he hailed from a lineage claiming descent from Emperor Uda (868–897). Tadataka was the son of Kyogoku Takatsugu and one of his concubines, with his paternal grandfather being Kyogoku Takayoshi.
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Matsudaira Naomasa
The late Muromachi period, also known as the Sengoku period, was an era of continuous conflict and upheaval, often likened to periods of chaos in Chinese history. This turbulent era was brought to an end by Tokugawa Ieyasu, who, with the support of loyal retainers, established the Edo Shogunate and became the ruler of Japan. Among Ieyasu’s descendants, Naomasa Matsudaira, his grandson, played a significant role during the Osaka Siege. He earned praise from his adversary, Nobushige Sanada (Yukimura Sanada), for his valor as a young warrior and maintained strong relations with successive Tokugawa shoguns.
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Ishikawa Kazumasa
Ishikawa Kazumasa (1534–1609) was a prominent Japanese retainer who began serving Tokugawa Ieyasu during his youth. Their relationship began in 1551 when both were hostages under the Imagawa clan. Kazumasa remained a loyal companion to Ieyasu, participating in key events such as the Siege of Terabe in 1558 and the Siege of Marune in 1560. After Ieyasu broke away from the Imagawa following the latter event, Kazumasa became a trusted retainer and administrator in his service.
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Shimazu Toyohisa
Shimazu Toyohisa (July 1570 – October 21, 1600), also known as Shimazu Tadatoyo, was a samurai of the Shimazu clan and the son of Shimazu Iehisa. He was the nephew of Shimazu Yoshihiro and held command over Sadowara Castle. Known for his valor, Toyohisa participated in numerous key battles of the late Sengoku period, earning recognition for his bravery and tactical acumen.
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Ikeda Terumasa
Ikeda Terumasa (January 31, 1565 – March 16, 1613) was a Japanese daimyo of the early Edo period, recognized by his court title, "Musashi no Kami," and known as the "Shogun of Western Japan." Terumasa, a distinguished military leader, participated in numerous significant battles during the late Azuchi-Momoyama period. His service at the Battle of Sekigahara earned him control over the Himeji domain. Originally named Araokojimaru, he was the son of Ikeda Tsuneoki and the brother of Ikeda Sen. He later became the heir to Ikeda Nobuteru and held Ikejiri Castle in Mino Province.
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Mori Tadamasa
Mori Tadamasa (1570 - July 31, 1634) was a notable military commander during Japan’s Warring States period and an early Edo-period daimyo. Initially, he governed Kawanakajima Domain in Shinano Province (modern-day Nagano Prefecture) and later became the first lord of Tsuyama Domain in Mimasaka Province (now northern Okayama Prefecture). He founded the Mori family line of the Ako Domain. Tadamasa’s family origins trace back to the Genji (Minamoto) clan, specifically the Kawachi-Genji branch from Kawachi Province (in present-day southeastern Osaka Prefecture), a lineage tied to Emperor Seiwa through his ancestor Yorisada Mori, a great-grandson of the famed Minamoto no Yoshiie.
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Sanada Masayuki
Sanada Masayuki (1547 – July 13, 1611) was a daimyo and prominent lord of Japan's Sengoku period. Head of the Sanada clan from Shinano Province, he served the powerful Takeda clan of Kai Province alongside his father and brothers during Takeda Shingen’s leadership. Following the Takeda clan's decline, Masayuki took charge of the Sanada, and despite limited resources, he established his clan as an independent power under the Toyotomi regime by navigating alliances with dominant clans such as the Tokugawa, Hojo, and Uesugi. Renowned as one of his era's greatest strategists, Masayuki achieved notable victories against the Tokugawa forces in the Battle of Kami River and the Siege of Ueda.
