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Iwabitsu Castle
is a "yamashiro"-style (castle located on Mount Iwabitsu in Higashiagatsuma, Gunma Prefecture, Japan. The ruins have been protected by the central government as a National Historic Site since 2019. Overview Iwabitsu Castle is located in northwestern Gunma Prefecture in the middle of a long valley created by the Agatsuma River (a tributary of the Tone River). This valley was the route of the Shinshu Kaidō, a road which led from Takasaki to Shinano Province via the Torii Pass, and the castle thus controlled a strategic point on this highway. History The origins of the Iwabitsu Castle are uncertain, but it is believed to have been built by the local Agatsuma clan sometime in the 13th century. During the Muromachi period, it was held by the Saitō clan, another local warlord. However, in the early Sengoku period, it was captured by Sanada Yukitaka, who had expanded from Shinano Province into northern Kōzuke Province with the backing of his overlord, Takeda Shingen. The Saitō cl ...
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Higashiagatsuma, Gunma
file:Mount Iwabitsu 2018-09 2.jpg, 250px, Mount Iwabitsu is a List of towns in Japan, town located in Gunma Prefecture, Japan. , the town had an estimated population of 13,349 in 2467 households, and a population density of 53 persons per km2. The total area of the town is . Geography Located in the northwestern portion of Gunma Prefecture, Higashiagatsuma is surrounded by high peaks, including Mount Iwabitsu (802.6 meters). The town hall is 619 meters above sea level. * Mountains: Mount Iwabitsu, Yakushidake, Sugamine * Rivers: Agatsuma River, Ishikami River * Lakes: Lake Haruna Surrounding municipalities Gunma Prefecture * Takasaki, Gunma, Takasaki * Shibukawa, Gunma, Shibukawa * Nakanojō, Gunma, Nakanojō * Naganohara, Gunma, Naganohara Climate Higashiagatsuma has a Humid continental climate (Köppen ''Cfa'') characterized by warm summers and cold winters with heavy snowfall. The average annual temperature in Higashiagatsuma is 10.8 °C. The average annual rainfall is ...
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Echigo Province
was an old province in north-central Japan, on the shores of the Sea of Japan. It bordered on Uzen, Iwashiro, Kōzuke, Shinano, and Etchū Provinces. Nussbaum, Louis-Frédéric. (2005). "''Echigo''" in . It corresponds today to Niigata Prefecture, minus the island of Sado. Its abbreviated form name was , with Echizen and Etchū Provinces. Under the ''Engishiki'' classification system, Echigo was ranked as one of the 35 "superior countries" (上国) in terms of importance, and one of the 30 "far countries" (遠国) in terms of distance from the capital. Echigo and Kōzuke Province were known as the Jōetsu region. History In the late 7th century, during the reign of Emperor Monmu, the ancient province of was divided into three separate provinces: Echizen, Etchū, and Echigo. The new Echigo Province consisted of Iwafune and Nutari Districts, and was one of two border provinces of the Yamato state with the Emishi (the other being Mutsu). In 702, Echigo was give ...
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Toyotomi Hideyori
was the son and designated successor of Toyotomi Hideyoshi, the general who first united all of Japan. His mother, Yodo-dono, was the niece of Oda Nobunaga. Early life Born in 1593, he was Hideyoshi's second son. The birth of Hideyori created a potential succession problem. To avoid it, Hideyoshi exiled his nephew and heir Hidetsugu to Mount Kōya and then ordered him to commit suicide in August 1595. Hidetsugu's family members who did not follow his example were then murdered in Kyoto, including 31 women and several children and also Mogami Yoshiaki's daughter. Hideyoshi refused to spare the life of Yoshiaki's daughter, who had only just arrived in Kyoto to become Hidetsugu's concubine and had not yet even met her future husband. When Hideyoshi died in 1598, the five regents he had appointed to rule in Hideyori's place began jockeying amongst themselves for power. Tokugawa Ieyasu seized control in 1600, after his victory over the others at the Battle of Sekigahara. Hid ...
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Ueda Castle
is a Japanese castle located in Ueda, northern Nagano Prefecture, Japan. At the end of the Edo period, Ueda Castle was home to a cadet branch of the Matsudaira clan, ''daimyō'' of Ueda Domain, but the castle is better known for its association with the Sengoku period Sanada clan._It_was_also_called__or_._The_castle_was_designated_a__Monuments_of_Japan.html" ;"title="DF 56 of 80/nowiki>">DF 56 of 80">("S .... It was also called or . The castle was designated a National_Historic_Site_of_Japan_in_1934. __Situation_ file:Burg_Ueda_Plan.jpg.html" ;"title="Monuments of Japan">National Historic Site of Japan in 1934. Situation thumb.html" ;"title="file:Burg Ueda Plan.jpg">thumb">270px, plan of Ueda Castle Ueda Castle is located on a hill overlooking a branch of the Chikuma River at the northeast edge of the Nagano plain, which forms part of its southern defences and acts as a moat. The Central Bailey (''Hon-Maru'') [1originally had seven two-story ''Yagura (tower)">yagura'', but ...
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Sanada Nobuyuki
was a Japanese samurai of the Sengoku period. He was the son of ''daimyō'' Sanada Masayuki and the older brother of Sanada Yukimura. Early life He was the first son of Sanada Masayuki and his wife, Kansho-in. His younger brother was Sanada Yukimura. He was married to Komatsuhime (Inahime), Honda Tadakatsu's daughter and adopted daughter of Tokugawa Ieyasu. Two other wives of Nobuyuki were his first wife and cousin Seiin-in, who lost her status to Komatsuhime and Ukyo (a daughter of Tamagawa Hidemasa). At an early age, Nobuyuki's father served under the ''daimyō'' Takeda Shingen and sent Nobuyuki as a hostage to prove the Sanada clan's loyalty to the Takeda clan. After the Takeda clan was destroyed by Oda and Tokugawa army, Nobuyuki fled to Ueda Castle, the stronghold of the Sanada Clan and where his family were. In 1585, Tokugawa Ieyasu attacked Ueda Castle; Nobuyuki fought in Battle of Kami river alongside his father and was victorious. Later, as Masayuki served under Toy ...
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Toyotomi Hideyoshi
, otherwise known as and , was a Japanese samurai and ''daimyō'' (feudal lord) of the late Sengoku period regarded as the second "Great Unifier" of Japan.Richard Holmes, The World Atlas of Warfare: Military Innovations that Changed the Course of History, Viking Press 1988. p. 68. Hideyoshi rose from a peasant background as a Affinity (medieval), retainer of the prominent lord Oda Nobunaga to become one of the most powerful men in Japan. Hideyoshi succeeded Nobunaga after the Honnō-ji Incident in 1582 and continued Nobunaga's campaign to unite Japan that led to the closing of the Sengoku period. Hideyoshi became the ''de facto'' leader of Japan and acquired the prestigious positions of Daijō-daijin, Chancellor of the Realm and Sesshō and Kampaku, Imperial Regent by the mid-1580s. Hideyoshi launched the Japanese invasions of Korea (1592–1598), Japanese invasions of Korea in 1592 to initial success, but eventual military stalemate damaged his prestige before his death in 1 ...
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Karasawa Genba
was a samurai of the Sengoku period, in the 16th century of the common era, who served as an important retainer of the Sanada clan. Genba_was_allegedly_born_in_Sawatari,_Shinano_province.html" ;"title="DF 56 of 80/nowiki>">DF 56 of 80">("S .... Genba was allegedly born in Sawatari, Shinano province">DF 56 of 80/nowiki>">DF 56 of 80">("S .... Genba was allegedly born in Sawatari, Shinano province, and was originally an officer of Iwabitsu Castle. Sanada Masayuki and Sanada Yukitaka were very good at persuading their opponents to defect. Their great talent in this field led them to win victories over many castles when infiltrated. Genba was one of those former enemies persuaded to defect, and thereafter went on to serve under the Sanada. As a Sanada retainer, Genba snuck into Shiritaka Castle with his colleagues and burned it. He participated in the Battle of Nagashino in 1575. When Takeda, the lord of Sanada, lost that battle, Genba escaped and returned to his land. In popu ...
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Samurai
were the hereditary military nobility and officer caste of medieval and early-modern Japan from the late 12th century until their abolition in 1876. They were the well-paid retainers of the '' daimyo'' (the great feudal landholders). They had high prestige and special privileges such as wearing two swords and ''Kiri-sute gomen'' (right to kill anyone of a lower class in certain situations). They cultivated the '' bushido'' codes of martial virtues, indifference to pain, and unflinching loyalty, engaging in many local battles. Though they had predecessors in earlier military and administrative officers, the samurai truly emerged during the Kamakura shogunate, ruling from 1185 to 1333. They became the ruling political class, with significant power but also significant responsibility. During the 13th century, the samurai proved themselves as adept warriors against the invading Mongols. During the peaceful Edo period (1603 to 1868), they became the stewards and chamberlains of ...
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Seppuku
, sometimes referred to as hara-kiri (, , a native Japanese kun reading), is a form of Japanese ritual suicide by disembowelment. It was originally reserved for samurai in their code of honour but was also practised by other Japanese people during the Shōwa period (particularly officers near the end of World War II) to restore honour for themselves or for their families. As a samurai practice, ''seppuku'' was used voluntarily by samurai to die with honour rather than fall into the hands of their enemies (and likely be tortured), as a form of capital punishment for samurai who had committed serious offences, or performed because they had brought shame to themselves. The ceremonial disembowelment, which is usually part of a more elaborate ritual and performed in front of spectators, consists of plunging a short blade, traditionally a ''tantō'', into the belly and drawing the blade from left to right, slicing the belly open. If the cut is deep enough, it can sever the abdominal ...
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Takeda Katsuyori
was a Japanese ''daimyō'' of the Sengoku period, who was famed as the head of the Takeda clan and the successor to the legendary warlord Takeda Shingen. He was son in law of Hojo Ujiyasu. Early life He was the son of Shingen by the daughter of Suwa Yorishige (posthumous name:). Katsuyori's children included Takeda Nobukatsu and Katsuchika.http://www2.harimaya.com/sengoku/html/takeda.html Katsuyori, first known as , succeeded to his mother's Suwa clan and gained Takatō Castle as the seat of his domain. After his elder brother Takeda Yoshinobu died, Katsuyori's son Nobukatsu became heir to the Takeda clan, making Katsuyori the true ruler of the Takeda clan. Takeda Katsuyori built Shinpu Castle, a new and larger castle at Nirasaki and transferred his residence there in 1581. Military life In 1569, Katsuyori defeated Hojo Ujinobu at Siege of Kanbara In 1572, Katsuyori successfully took a Tokugawa clan possession in the Siege of Futamata, and participated in the Battle of ...
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Shinpu Castle
was a Sengoku period ''hirayama''-style Japanese castle located in what is now part of the city of Nirasaki, Yamanashi prefecture. It was the primary fortress of the warlord Takeda Katsuyori. The ruins have been protected as a National Historic Site since 1973. Background Shinpu Castle is located on a mountain with steep sides overlooking the Kamanashi River to the west of Kōfu, where Takeda Shingen's Tsutsujigasaki Castle was located. Following Shingen's death, his son and successor, Takeda Katsuyori initially successfully expanded his territory into eastern Mino Province; however, suffered a major defeat against Oda Nobunaga's matchlock-armed forces at the Battle of Nagashino, losing four of his top generals. Following this defeat, the Takeda found themselves surrounded by increasing aggressive neighbors, including the Oda, the Tokugawa clan, the Uesugi clan and the Odawara Hōjō clan. Katsuyori felt that a castle located near the center of his domains would be easier to de ...
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Takeda Clan
The was a Japanese samurai clan active from the late Heian period until the late 16th century. The clan was historically based in Kai Province in present-day Yamanashi Prefecture. The clan reached its greatest influence under the rule of Takeda Shingen, one of the most famous rulers of the period. History Origin The Takeda are descendants of the Emperor Seiwa (858–876), the 56th Emperor of Japan, and are a branch of the Minamoto clan (Seiwa Genji), by Minamoto no Yoshimitsu (1056–1127), son of the '' Chinjufu-shōgun'' Minamoto no Yoriyoshi (988-1075), and brother to the famous Minamoto no Yoshiie (1039–1106). Minamoto no Yoshikiyo (1075–1149), son of Yoshimitsu, was the first to take the name of Takeda, which he took when his father granted him Takeda domain in Hitachi Province; thereafter, he was known as Takeda Yoshikiyo. Kamakura to early Azuchi–Momoyama periods In the 12th century, at the end of the Heian period, the Takeda family-controlled Kai Province. Alon ...
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