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Mumonginsen

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Mumon ginsen ( 無文銀銭 ) (aka "Plain silver coin") is believed to be the earliest form of Japanese currency . Issued between 667 and 672 AD during the Tenji period , there are theories that mainly lean towards these coins being privately minted.

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35-607: Throughout their search history stretching back to the Enkyō period , about 120 Mumon ginsen have been excavated from 17 sites: seven in Yamato , six in Omi , and one each in the Settsu , Kawachi , Yamashiro , and Ise regions . Each coin is roughly 3 centimeters in diameter, 2 millimeters thick, and weighs about 8 to 10 grams. These coins differ from later issues as they feature small round holes as opposed to

70-423: A change in nengō. The new name, made public on the morning of 1 April of the same year, is Reiwa ( 令和 ) . The era name system that was introduced by Emperor Kōtoku was abandoned after his death; no era names were designated between 654 and 686. The system was briefly reinstated by Emperor Tenmu in 686, but was again abandoned upon his death about two months later. In 701, Emperor Monmu once again reinstated

105-685: A decree; saying:-"Henceforth copper coins must be used, and not silver coins". This decree meant that the coins were issued before the Fuhonsen . Another indicator of dating is the large amount of coins that were excavated from Ōmi Province which suggests a connection to Ōmi Ōtsu Palace . In contrast to Japan, silver coins were not used on the Korean peninsula during the Tenji period . Professor Fumio Tanaka ( Waseda University ) mentions that in Silla , Baekje , and Goguryeo ,

140-493: A large central square. Only a few of those excavated have inscriptions, and many of the coins have silver pieces attached to their surfaces which are thought to have been added to make the weight uniform. All of the coins are thought to have been issued during the reign of Emperor Tenji during the Tenji period based on a written account in the Nihon Shoki . An entry for 683 AD states: "Summer, 4th month, 15th day. The Emperor made

175-485: A type of ornament, the amount of "ornaments" found (100+ pieces) made it difficult to understand. He also suggested that it would be better to think of them as a type of currency. Kanichi Kuroda of the Oriental Numismatic Association argued that Mumonginsen were coin-shaped items with a small circular hole. He then stated that there was no reason for the state to cast such a crude coin when minting them for

210-607: Is Seiro ( 征露 ) (1904–1905), named for the Russo-Japanese War . Edo period scholar Tsurumine Shigenobu proposed that Kyūshū nengō ( 九州年号 ) , said to have been used in ancient Kumaso , should also be considered a form of shinengō . This claim is not generally recognized by the academic community. Lists of the proposed Kyūshū nengō can be seen in the Japanese language entries 鶴峯戊申 and 九州王朝説 . Certain era names have specific characters assigned to them, for instance ㋿ for

245-484: Is possible to extend the nengō system to cover all dates from 660 BCE through today. In addition to the official era name system, in which the era names are selected by the imperial court, one also observes—primarily in the ancient documents and epigraphs of shrines and temples—unofficial era names called shinengō ( 私年号 , "personal era name") , also known as ginengō ( 偽年号 ) or inengō ( 異年号 ) . Currently, there are over 40 confirmed shinengō, most of them dating from

280-636: Is protocol in Japan that the reigning emperor be referred to as Tennō Heika ( 天皇陛下 , "His Majesty the Emperor") or Kinjō Tennō ( 今上天皇 , "current emperor") . To call the current emperor by the current era name, i.e. "Reiwa", even in English, is a faux pas, as this is – and will be – his posthumous name . Use of the emperor's given name (i.e., "Naruhito") is rare, and is considered vulgar behaviour in Japanese. The Emperor Akihito abdicated on 30 April 2019, necessitating

315-418: Is supported in the new Date and time API for the year Meiji 6 (1873) onwards. Computers and software manufacturers needed to test their systems in preparation for the new era which began on 1 May 2019 . Windows provided a test mechanism to simulate a new era ahead of time. Java Development Kit 11 supported this era using the placeholders " 元号 " for Japanese, "NewEra" for other languages. The final name

350-568: Is the first of the two elements that identify years in the Japanese era calendar scheme . The second element is a number which indicates the year number within the era (with the first year being "gan ( 元 ) ") meaning "origin, basis", followed by the literal "nen ( 年 ) " meaning "year". Era names originated in 140 BCE in Imperial China , during the reign of the Emperor Wu of Han . As elsewhere in

385-496: The Edo period in 1868 can be abbreviated by taking the first letter of their romanized names. For example, S55 means Shōwa 55 (i.e. 1980), and H22 stands for Heisei 22 (2010). At 62 years and 2 weeks, Shōwa is the longest era to date. The Reiwa ( 令和 ) era began on 1 May 2019, the day of accession of Naruhito to the throne as the 126th Emperor of Japan , following the day of the planned and voluntary abdication of his father,

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420-505: The Nichūreki , Hakuhō refers to 661–683 CE, and in some medieval temple documents, Hakuhō refers to 672–685 CE. Thus, shinengō may be used as an alternative way of dating periods for which there is no official era name. Other well-known itsunengō and shinengō include Hōkō ( 法興 ) (591–621+ CE), Suzaku ( 朱雀 ) (686), Entoku ( 延徳 ) (1460), Miroku ( 弥勒 ) (1506–1507 or 1507–1509) and Meiroku ( 命禄 ) (1540–1543). The most recent shinengō

455-559: The Reiwa period , which can also be written as 令和 . These are included in Unicode : Code points U+32FF (㋿), U+337B (㍻), U+337C (㍼), U+337D (㍽) and U+337E (㍾) are used for the Reiwa, Heisei, Shōwa, Taishō and Meiji eras, respectively. Certain calendar libraries support the conversion from and to the era system, as well as rendering of dates using it. Since the release of Java 8 , the Japanese calendar

490-510: The Sinosphere , the use of era names was originally derived from Chinese imperial practice, although the Japanese system is independent of the Chinese, Korean , and Vietnamese era name systems. Unlike its other Sinosphere counterparts, Japanese era names are still in official use. Government offices usually require era names and years for official papers. The five era names used since the end of

525-606: The Tenmu period , and were likely not officially minted coins made by the government. Instead he theorized that the coins were made by private individuals in Japan using silver produced in Korea. Japanese historian Shinji Nishimura (1879-1943) referred to entries in the 12th year of the Hakuhō period for the silver mining in Tsushima . While he came to the conclusion that the coins may have been used as

560-489: The middle ages . Shinengō used prior to the reestablishment of the era name system in 701 are usually called itsunengō ( 逸年号 ) . Because official records of shinengō are lacking, the range of dates to which they apply is often unclear. For example, the well-known itsunengō Hakuhō ( 白鳳 ) is normally said to refer to 650–654 CE; a poetic synonym for the Hakuchi era . However, alternate interpretations exist. For example, in

595-473: The sexagenary cycle , because they were inauspicious years in Onmyōdō . These three years are respectively known as kakurei , kakuun , and kakumei , and collectively known as sankaku . Era names were also changed due to other felicitous events or natural disasters. In historical practice, the first day of a nengō ( 元年 , gannen ) starts whenever the emperor chooses; and the first year continues until

630-511: The 125th Emperor, Akihito . Emperor Akihito had received special permission to abdicate, rather than serving in his role until his death, as is the rule. The Reiwa era follows the 31st and final year of the Heisei era ( 平成31年 ) , which had started on the day after the death of Emperor Hirohito on 8 January 1989. The system on which the Japanese era names are based originated in China in 140 BCE, and

665-405: The 8th century. After 701, sequential era names developed without interruption across a span of centuries. As of 1 April 2019, there have been 239 era names. To convert a Japanese year to a Gregorian calendar year, find the first year of the Japanese era name (also called nengō ). When found, add the number of the Japanese year, then subtract 1. The "one reign, one era name" ( 一世一元 ) system

700-553: The Chinese trend. Tenpyō Kanpō ( 天平感宝 ) , Tenpyō Shōhō ( 天平勝宝 ) , Tenpyō Hōji ( 天平宝字 ) and Tenpyō Jingo ( 天平神護 ) are some famous nengō names that use four characters. Since the Heian period , Confucian thoughts and ideas have been reflected in era names, such as Daidō ( 大同 ) , Kōnin ( 弘仁 ) and Tenchō ( 天長 ) . Although there currently exist a total of 248 Japanese era names, only 73 kanji have been used in composing them. Out of these 73 kanji, 31 of them have been used only once, while

735-511: The days of Meiji but never formalized, became law in 1979 with the passage of the Era Name Law ( 元号法 , gengō-hō ) . Thus, since 1868, there have only been five era names assigned: Meiji, Taishō, Shōwa, Heisei, and Reiwa, each corresponding with the rule of only one emperor. Upon death, the emperor is thereafter referred to by the era of his reign. For example, Mutsuhito is posthumously known as " Emperor Meiji " ( 明治天皇 , Meiji Tennō ) . It

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770-510: The era name system, and it has continued uninterrupted through today. Although use of the Gregorian calendar for historical dates became increasingly common in Japan, the traditional Japanese system demands that dates be written in reference to era names. The apparent problem introduced by the lack of era names was resolved by identifying the years of an imperial reign as a period. Although in modern Japan posthumous imperial names correspond with

805-448: The era name was changed to " Meiji " ( 明治 ) , and a "one reign, one era name" ( 一世一元 , issei-ichigen ) system was adopted, wherein era names would change only upon immediate imperial succession. This system is similar to the now-defunct Chinese system used since the days of the Ming dynasty . The Japanese nengō system differs from Chinese practice, in that in the Chinese system the era name

840-776: The eras of their reign, this is a relatively recent concept, introduced in practice during the Meiji period and instituted by law in 1979. Therefore, the posthumous names of the emperors and empresses who reigned prior to 1868 may not be taken as era names by themselves. For example, the year 572—the year in which Emperor Bidatsu assumed the Chrysanthemum Throne – is properly written as " 敏達天皇元年 " ( Bidatsu-Tennō Gannen , "the first year of Emperor Bidatsu"), and not " 敏達元年 " ( Bidatsu Gannen , "the first year of Bidatsu"), although it may be abbreviated as such. By incorporating both proper era names and posthumous imperial names in this manner, it

875-455: The first time. Historian Aoyama Reishi stated in his opinion that even if they weren't currency, Mumonginsen must be recognized as transitional circulating coinage. In his reasoning the approximately 100 excavated coins have little variation in weight, and there are too many of them to have been buried as offerings at Shinpo-ji ( 眞寳院の ) . (see: "Excavated examples" section below) Japanese archaeologist and professor Keiji Matsumura points out that

910-568: The next lunar new year, which is understood to be the start of the nengō's second year. Era names indicate the various reasons for their adoption. For instance, the nengō Wadō ( 和銅 ) , during the Nara period, was declared due to the discovery of copper deposits in Chichibu . Most nengō are composed of two kanji , except for a short time during the Nara period when four-kanji names were sometimes adopted to follow

945-404: The reign of Emperor Monmu (697–707). Since then, era names have been used continuously up through the present day. Prior to the Meiji period , era names were decided by court officials and were subjected to frequent change. A new era name was usually proclaimed within a year or two after the ascension of a new emperor. A new era name was also often designated on the first, fifth and 58th years of

980-414: The remains at the ruins sites (where the coins were found) has generally been either discarded or deliberately buried. Since it's difficult to imagine that something as valuable as silver would have been discarded, he suggests that the undeclared silver coins are biased toward those used as altar implements which wouldn't mean they were numismatic charms . Enky%C5%8D (Edo period) Enkyō ( 延享 )

1015-480: The rest have been used repeatedly in different combinations. The vast majority of Japanese Era Names were used for less than 10 years, with two being used for less than a year. Only 28 have been used for more than 10 years and less than 30 years. Only Heisei, Ōei, Meiji, and Showa have been used for more than 30 years. Mutsuhito assumed the throne in 1867, during the third year of the Keiō ( 慶応 ) era. On 23 October 1868,

1050-419: The use of gold and silver was regulated by royal authority. Tanaka went on to say that it's been proven by literature and archaeology that they functioned as a symbol of the royal authority's status order. When compared to Japan at the time, Tanaka mentions that before the 7th century gold and silver were supplied by the international community. As each powerful clan (chief) obtained these precious resources, there

1085-524: Was a Japanese era name ( 年号 , nengō , lit. "year name") after Kanpō and before Kan'en . This period spanned the years from February 1744 through July 1748. The reigning emperors were Sakuramachi -tennō ( 桜町天皇 ) and Momozono -tennō ( 桃園天皇 ) . This article about a Japanese era name is a stub . You can help Misplaced Pages by expanding it . Japanese era name The Japanese era name ( Japanese : 元号 , Hepburn : gengō , "era name") or nengō ( 年号 , year name ) ,

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1120-463: Was a basis to circulate coins in a multilateral manner without being regulated by the royal authority. The true purpose of Mumonginsen has been debated by several historians and scholars since at least the Taishō era . There is now a consensus that Mumonginsen at the very least were recognized as having value as currency. Japanese historian Ginzo Uchida (1872-1919) suggested that the silver coins dated to

1155-450: Was added in JDK 12.0.1, after it was announced by the Japanese government. Unicode code point U+32FF (㋿) was reserved for representing the new era name, Reiwa. The list of Japanese era names is the result of a periodization system which was established by Emperor Kōtoku in 645. The system of Japanese era names ( 年号 , nengō , "year name") was irregular until the beginning of

1190-404: Was adopted by Japan in 645 CE, during the reign of Emperor Kōtoku . The first era name to be assigned was "Taika" ( 大化 ) , celebrating the political and organizational changes which were to flow from the great Taika reform ( 大化の改新 ) of 645. Although the regular practice of proclaiming successive era names was interrupted in the late seventh century, it was permanently re-adopted in 701 during

1225-631: Was not updated until the year following the emperor's death. In modern practice, the first year of a nengō ( 元年 , gannen ) starts immediately upon the emperor's accession and ends on 31 December. Subsequent years follow the Gregorian calendar . For example, the Meiji era lasted until 30 July 1912, when the Emperor died and the Taishō ( 大正 ) era was proclaimed. 1912 is therefore known as both "Meiji 45" and "Taishō 1" ( 大正元年 , Taishō gannen ) , although Meiji technically ended on 30 July with Mutsuhito's death. This practice, implemented successfully since

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