Hitachi Kokufu
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Hitachi Kokufu
The was the provincial capital of Hitachi Province in the late Nara period though Heian period. It was located in the Soja neighborhood of the city of Ishioka, Ibaraki Prefecture in the northern Kantō region of Japan. The ruins have been protected as a National Historic Site since 2010. History In the Nara period, after the Taika Reform (645 AD) and centralization of the administration of Japan following Chinese models (the '' Ritsuryō'' system), the nation was divided into provinces, each with an official capital constructed per a uniform layout and standard, and headed by an appointed ''kokushi'', who replaced the older '' Kuni no miyatsuko''. With a square layout, the provincial capital mirrored the layout of Fujiwara-kyō and then Heijō-kyō, which in turn were modeled on the Tang capital Chang'an. Each had office buildings for administration, finance, police and military and the official building of the governor, as well as granaries for tax rice and other taxabl ...
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Ishioka, Ibaraki
260px, Ishioka City Hall is a city located in Ibaraki Prefecture, Japan. , the city had an estimated population of 72,351 in 28,291 households and a population density of 336 persons per km². The percentage of the population aged over 65 was 33.5%. The total area of the city is . Geography Ishioka is located in central Ibaraki Prefecture, approximately 70 kilometers north of central Tokyo. It is bordered by Lake Kasumigaura to the south and by mountains on all other sides. The urban area of the city is in the east. Surrounding municipalities Ibaraki Prefecture * Tsuchiura * Tsukuba * Kasumigaura * Kasama * Sakuragawa * Omitama Climate Ishioka has a Humid continental climate (Köppen ''Cfa'') characterized by warm summers and cool winters with light snowfall. The average annual temperature in Ishioka is 13.8 °C. The average annual rainfall is 1331 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.8 °C, a ...
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Chang'an
Chang'an (; ) is the traditional name of Xi'an. The site had been settled since Neolithic times, during which the Yangshao culture was established in Banpo, in the city's suburbs. Furthermore, in the northern vicinity of modern Xi'an, Qin Shi Huang of the Qin dynasty, China's first emperor, held his imperial court, and constructed his massive mausoleum guarded by the Terracotta Army. From its capital at Xianyang, the Qin dynasty ruled a larger area than either of the preceding dynasties. The imperial city of Chang'an during the Han dynasty was located northwest of today's Xi'an. During the Tang dynasty, the area that came to be known as Chang'an included the area inside the Ming Xi'an fortification, plus some small areas to its east and west, and a substantial part of its southern suburbs. Thus, Tang Chang'an was eight times the size of the Ming Xi'an, which was reconstructed upon the site of the former imperial quarters of the Sui and Tang city. During its heyday, Chang'an w ...
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Taira No Masakado
was a Heian period provincial magnate (''gōzoku'') and samurai based in eastern Japan, notable for leading the first recorded uprising against the central government in Kyōto. Early life Masakado was one of the sons of Taira no Yoshimasa (平良将), also known as Taira no Yoshimochi (平良持), of the Kanmu Taira clan (''Kanmu Heishi''), descendants of Emperor Kanmu (reigned 781-806) who were demoted from princely to commoner status and granted the Taira surname. Yoshimochi was one of the sons of Prince Takamochi, a grandson or great-grandson of Kanmu who was appointed the vice-governor of Kazusa Province (modern central Chiba Prefecture) in 889 ( Kanpyō 1). Takamochi's sons who joined him there occupied a variety of provincial offices in the eastern part of the country such as that of '' chinjufu shōgun'', the commander-in-chief of the defense garrison (''chinjufu'') in Mutsu Province tasked with subjugating the Emishi peoples of the north. Not much is known of Mas ...
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Tengyō No Ran
The ("War in the Tengyō era" or "Tengyō Disturbance"), or Jōhei Tengyō no Ran refers to the name of a brief medieval Japanese conflict, in which Taira no Masakado rebelled against the central government. He was defeated after 59 days of fighting with the imperial forces led by Fujiwara Hidesato and Taira Sadamori, who was Masakado's kinsman. One of the legends created about the conflict described how Masakado, fearing Hidesato's archery skills, employed doppelganger bodyguards to protect himself. The warrior-rebel was beheaded on 25 March 940 CE during the Battle of Kojima. Prelude The revolt in the east began inconspicuously in 935 as an armed squabble among members of a Taira family who had settled in the Kanto area around 890. They had grown into great landowners there, exercising control over a broad area that included the provinces of Kazusa, Hitachi, and Shimosa. One of the Taira leaders, Masakado, emerged from his Shimosa base as the chief military power and pri ...
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Bay (architecture)
In architecture, a bay is the space between architectural elements, or a recess or compartment. The term ''bay'' comes from Old French ''baie'', meaning an opening or hole."Bay" ''Online Etymology Dictionary''. http://www.etymonline.com/index.php?allowed_in_frame=0&search=bay&searchmode=none accessed 3/10/2014 __NOTOC__ Examples # The spaces between posts, columns, or buttresses in the length of a building, the division in the widths being called aisles. This meaning also applies to overhead vaults (between ribs), in a building using a vaulted structural system. For example, the Gothic architecture period's Chartres Cathedral has a nave (main interior space) that is '' "seven bays long." '' Similarly in timber framing a bay is the space between posts in the transverse direction of the building and aisles run longitudinally."Bay", n.3. def. 1-6 and "Bay", n.5 def 2. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) © Oxford University Press 2009 # Where there a ...
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Roof Tiles
Roof tiles are designed mainly to keep out rain, and are traditionally made from locally available materials such as terracotta or slate. Modern materials such as concrete, metal and plastic are also used and some clay tiles have a waterproof glaze. Roof tiles are 'hung' from the framework of a roof by fixing them with nails. The tiles are usually hung in parallel rows, with each row overlapping the row below it to exclude rainwater and to cover the nails that hold the row below. There are also roof tiles for special positions, particularly where the planes of the several pitches meet. They include ridge, hip and valley tiles. These can either be bedded and pointed in cement mortar or mechanically fixed. Similarly to roof tiling, tiling has been used to provide a protective weather envelope to the sides of timber frame buildings. These are hung on laths nailed to wall timbers, with tiles specially molded to cover corners and jambs. Often these tiles are shaped at the exposed e ...
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Silla
Silla or Shilla (57 BCE – 935 CE) ( , Old Korean: Syera, Old Japanese: Siraki2) was a Korean kingdom located on the southern and central parts of the Korean Peninsula. Silla, along with Baekje and Goguryeo, formed the Three Kingdoms of Korea. Founded by Hyeokgeose of Silla, of the Park family, the Korean dynasty was ruled by the Gyeongju Gim (Kim) (김, 金) clan for 586 years, the Miryang Bak (Park) (박, 朴) clan for 232 years and the Wolseong Seok (석, 昔) clan for 172 years. It began as a chiefdom in the Samhan confederacies, once allied with Sui China and then Tang China, until it eventually conquered the other two kingdoms, Baekje in 660 and Goguryeo in 668. Thereafter, Unified Silla occupied most of the Korean Peninsula, while the northern part re-emerged as Balhae, a successor-state of Goguryeo. After nearly 1,000 years of rule, Silla fragmented into the brief Later Three Kingdoms of Silla, Later Baekje, and Taebong, handing over power to Goryeo in 935. ...
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Tang China
The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdoms period. Historians generally regard the Tang as a high point in Chinese civilization, and a golden age of cosmopolitan culture. Tang territory, acquired through the military campaigns of its early rulers, rivaled that of the Han dynasty. The Lǐ family () founded the dynasty, seizing power during the decline and collapse of the Sui Empire and inaugurating a period of progress and stability in the first half of the dynasty's rule. The dynasty was formally interrupted during 690–705 when Empress Wu Zetian seized the throne, proclaiming the Wu Zhou dynasty and becoming the only legitimate Chinese empress regnant. The devastating An Lushan Rebellion (755–763) shook the nation and led to the decline of central authority in the dynasty's ...
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Baekje
Baekje or Paekche (, ) was a Korean kingdom located in southwestern Korea from 18 BC to 660 AD. It was one of the Three Kingdoms of Korea, together with Goguryeo and Silla. Baekje was founded by Onjo, the third son of Goguryeo's founder Jumong and So Seo-no, at Wiryeseong (present-day southern Seoul). Baekje, like Goguryeo, claimed to succeed Buyeo, a state established in present-day Manchuria around the time of Gojoseon's fall. Baekje alternately battled and allied with Goguryeo and Silla as the three kingdoms expanded control over the peninsula. At its peak in the 4th century, Baekje controlled most of the western Korean peninsula, as far north as Pyongyang, and may have even held territories in China, such as in Liaoxi, though this view is controversial. It became a significant regional sea power, with political and trade relations with China and Japan. Baekje was a great maritime power; its nautical skill, which made it the Phoenicia of East Asia, was instrumental i ...
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Yamato State
The was a tribal alliance centered on the Yamato region (Nara Prefecture) from the 4th century to the 7th century, and ruled over the alliance of noble families in the central and western parts of the Japanese archipelago. The age is from the 4th to the 7th century, later than the Yamatai Kingdom. After the Taika Reform, the ōkimi as an emperor, at that time, was in power, and the Yamato period ended. The time period is archaeologically known as the Kofun period. Regarding its establishment, due to the relationship between Yamatai and Yamato's succession to the king's power, there are very different views on it. The Yamato Kingship refers to the regime that emerged in the Nara region ( Yamato region) since the 4th century. But the term does not imply the origin of Japan, which is disputed in Japanese history. At the same time as the rise of the , there were probably several or even dozens of power centers in the Japanese archipelago. This is an issue that Japanese academia ...
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Kofun
are megalithic tombs or tumuli in Northeast Asia. ''Kofun'' were mainly constructed in the Japanese archipelago between the middle of the 3rd century to the early 7th century CE.岡田裕之「前方後円墳」『日本古代史大辞典』大和書房、2006年。 The term is the origin of the name of the Kofun period, which indicates the middle 3rd century to early–middle 6th century. Many ''kofun'' have distinctive keyhole-shaped mounds (). The Mozu- Furuichi kofungun or tumulus clusters were inscribed on the UNESCO World Heritage List in 2019, while Ishibutai Kofun is one of a number in Asuka-Fujiwara residing on the Tentative List. Overview The ''kofun tumuli'' have assumed various shapes throughout history. The most common type of ''kofun'' is known as a , which is shaped like a keyhole, having one square end and one circular end, when viewed from above. There are also circular-type (), "two conjoined rectangles" typed (), and square-type () kofun. Orientation ...
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Lake Kasumigaura
is the second-largest lake in Japan, located 60 km to the north-east of Tokyo. In a narrower sense and officially, Lake Kasumigaura refers to a waterbody with an area of 167.63 km2. In a wider sense, Lake Kasumigaura can also refer to a group of contiguous lakes, which includes Lake Kasumigaura proper, hereby referred to as Nishiura (西浦), and two smaller lakes, Kitaura (北浦; 35.16 km2) and Sotonasakaura (外浪逆浦; 5.85 km2), and also encompasses the rivers connecting them. In this case the total area is 220 km2. About 45% of the land surrounding the lake is natural landscape and 43.5% is agricultural land. History Lake Kasumigaura originally was a brackish-water lagoon, with indirect connections to the Pacific Ocean via the Hitachigawa and Tone Rivers. In 1963, the construction of a gate near the confluence of these rivers disconnected the lake from its sources of ocean water. As a result, the salinity of Lake Kasumigaura declined, and to ...
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