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{{History of Japan|Shoso-in.jpg| Image explanation = [[Shōsōin]]}}

{{nihongo|'''''Tenpō'''''|天保}} was a {{nihongo|[[Japanese era name]]|年号,|''nengō'',|lit. "year name"}}, also known as '''''Tempō''''', after ''[[Bunsei]]'' and before ''[[Kōka]].'' The period spanned the years from December 1830 through December 1844.<ref>Nussbaum, Louis-Frédéric. (2005). "''Tempō''" {{Google books|p2QnPijAEmEC|''Japan Encyclopedia,'' p. 957|page=957}}; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, ''see'' [http://dispatch.opac.ddb.de/DB=4.1/PPN?PPN=128842709 Deutsche Nationalbibliothek Authority File].</ref> The reigning emperor was {{nihongo|[[Emperor Ninko of Japan|Ninko]]''-tennō''|仁孝天皇}}.


==Introduction==
==Introduction==


===Change of era===
The Tenpō era is often described as the beginning of the end of [[bafuku]] government. Though the era accomplished much through its reforms, and also culturally speaking, the injury inflicted on the Tokugawa system of government during the Tenpō period was unparalleled. Public order and satisfaction with government with a main issue, but the bafuku was not entirely at fault for the stir amongst the people. For example, the failure of crops in 1833, which soon became a lengthy disaster endured for over four years called the [[Great Tenpō Famine]], was caused mainly due to poor weather conditions. It became simply too cold for crops to flourish or receive needed warmth and water. Prices skyrocketed, as well. These dire circumstances sparked many rebellions and riots across Japan over the course of the Tenpō years. <ref>Jansen, Marius B. (2000). {{Google books|http://books.google.ca/books?id=3bf4g447YdcC&dq=disasters+of+the+Tenp%C5%8D+era&source=gbs_navlinks_s|''The Making of Modern Japan,'' p. 247|page=247}};</ref>
* '''December 10, 1830''' ({{nihongo|''Tenpō gannen''|天保元年}}) : In the 13th year of ''Bunsei'', the new era name of ''Tenpō'' (meaning "Heavenly Imperial Protection") was created to mark the disasters of a great fire in [[Edo]] and an earthquake at [[Kyoto]]. The new era name was created from an hortatory aphorism: "Respect and worship the Ways of heaven. Eternally keep the [[Mandate of Heaven]]" (欽崇'''天'''道、永'''保'''天命).


Marius B. Jansen, [http://books.google.ca/books?id=3bf4g447YdcC&dq=disasters+of+the+Tenp%C5%8D+era&source=gbs_navlinks_s The Making of Modern Japan] (Cambridge, MA: Harvard University Press, 2000), 247.


The Tenpō era is often described as the beginning of the end of [http://en.wikipedia.org/wiki/Bakufu#Shogunate bafuku] government. Though the era accomplished much through its reforms, and also culturally speaking, the injury inflicted on the Tokugawa system of government during the Tenpō period was unparalleled. Public order and dissatisfaction with government with a main issue, but the bafuku was not entirely at fault for the stir amongst the people. For example, the failure of crops in 1833, which soon became a lengthy disaster endured for over four years called the [http://en.wikipedia.org/wiki/Tenpo_famine Great Tenpō famine], was caused mainly due to poor weather conditions. It became simply too cold for crops to flourish or receive needed warmth and water. Prices skyrocketed, as well. These dire circumstances sparked many rebellions and riots across Japan over the course of the Tenpō years. <ref>Jansen, Marius B. (2000). [http://books.google.ca/books?id=3bf4g447YdcC&dq=disasters+of+the+Tenp%C5%8D+era&source=gbs_navlinks_s The Making of Modern Japan, p. 247] </ref> Weary and desperate for someone to blame, the people rose up against the government, and [[Ōshio Heihachirō]], known for leading one of the largest rebellions, even stated the crop failure due to poor weather was a sign of Heaven's disappointment and retribution aimed towards the government itself. <ref> Jansen, Marius B. (2000). [http://books.google.ca/books?id=3bf4g447YdcC&pg=PA247&dq=disasters+of+the+Tenpō+era&hl=en&sa=X&ei=_ceeUN6tF4GsiAK05YHACg&ved=0CDMQ6AEwAA#v=onepage&q=disasters%20of%20the%20tenpo%20era&f=false The Making of Modern Japan, p. 249] </ref> [[Mizuno Tadakuni]]'s reforms were meant to remedy these economic issues, but the reforms could not rescue the bakufu from its ultimate collapse.


The [[shogunate]] rule during the Tenpō era was that of [[Tokugawa Ieyoshi]], the 12th shogun of the bakufu government. His reign lasted from 1837 to 1853. During this time, many factors appeared to have seen to the decline of his health: namely, the great and devastating famine, the many rebellions rising up against the bakufu, and the swift advance of foreign influence. <ref> Jansen, Marius B. (2000). [http://books.google.ca/books?id=3bf4g447YdcC&pg=PA247&dq=disasters+of+the+Tenpō+era&hl=en&sa=X&ei=_ceeUN6tF4GsiAK05YHACg&ved=0CDMQ6AEwAA#v=onepage&q=disasters%20of%20the%20tenpo%20era&f=false The Making of Modern Japan, p. 147] </ref>
You can link back to main articles like so [[Tenpo]]


==Great Tenpō Famine==
To ''italicize'' use two single quotations.


The Great Tenpō famine of the 1830s was a devastating term in which the whole of Japan suffered sinking temperatures and loss of crops, and in turn, merchant prices began to spike. Many starved to death during this grim time. In areas like Takayama, the death rate spiked as high as nearly forty-five percent per thousand. <ref> Hall, John Whitney. (1991). [http://books.google.ca/books?id=6RBXXJixf-sC&vq=tempo&client=firefox-a&source=gbs_navlinks_s The Cambridge History of Japan, vol. 4, p. 699] </ref> Crops continued to fail in the countryside, prices increased and supplies diminished, forcing people to compete to survive with what meager funds they had. The samurai also suffered the effects of the famine, dealing with lower wages from the Japanese domain governments in anticipation for challenging fiscal issues to come. To further the already dire conditions of the famine, illness eventually began to spread, and many who were starving could not resist forms of sickness such as pestilence, smallpox, measles and influenza. <ref>Jansen, Marius B. (1995). [http://books.google.ca/books?id=lwPxgoaNVWEC&pg=PA5&dq=tempo+famine&hl=en&sa=X&ei=cc-WUPuAOc3siQL1k4GIDw&ved=0CDwQ6AEwAw The Emergence of Meiji Japan, p. 5] </ref> Thousands died from hunger alone at the pinnacle of the crisis in 1836 to 1837. <ref>Jansen, Marius B. (1989). [http://books.google.ca/books?id=6wKCn-Ykj7IC&pg=PA117&dq=tempo+famine&hl=en&sa=X&ei=sRubUJeEPcSLiALf0YC4Ag&ved=0CDAQ6AEwAA#v=onepage&q=tempo%20famine&f=false The Cambridge History of Japan, vol. 5, p. 119] </ref>
<ref>References work like this.</ref>

==Rebellion==

One of the rebellions sparked by the Great Tenpō famine was the Ōshio Heihachirō Rebellion. The man for whom it was named led an attempted revolt in the 1830s, and was granted the label of ''yonaoshi daimyojin'', or "world saviour", for his attempts at moral restoration. <ref>Totman, Conrad D. (1993). [http://books.google.ca/books?id=Mb7Zp3LF-VAC&pg=PA447&dq=%C5%8Cshio+Heihachir%C5%8D+Rebellion&hl=en&sa=X&ei=kGidUKj2L6v4igLo2YGYBw&ved=0CC8Q6AEwAQ#v=onepage&q=%C5%8Cshio%20Heihachir%C5%8D%20Rebellion&f=false Early Modern Japan, p. 447] </ref> Formally a police officer and scholar, [[Ōshio Heihachirō]] (1792-1837) had requested help from [[Osaka]] city commissioners and otherwise wealthy merchants in 1837, only to be met with indifference. Shocked by his lack of success in the endeavour, Ōshio instigated an uprising to oppose those who had refused their aid. With approximately 300 followers, including poor townsfolk and peasants from various villages, Ōshio set fire to one-fifth of Osaka city. But the rebellion was suppressed in short order, forcing Ōshio to a quick end in which he committed suicide. <ref>Hane, Mikiso and Perez, Louis G. (2009). [http://books.google.ca/books?id=YCYd0GicIXUC&dq=%C5%8Cshio+Heihachir%C5%8D+Rebellion&source=gbs_navlinks_s Modern Japan: A Historical Survey, p. 100-101] </ref>

The scholar [[Ikuta Yorozo]] (1801-1837) also instigated a rebellion from similar roots as that of Ōshio Heihachirō. Ikuta had opened a school for the education of adolescents, consisting mostly of peasants. Having also suffered from the Great Tenpō Famine, Ikuta despaired the lack of aid local bureaucrats were willing to provide, and in 1837, he assembled a band of peasants in retaliation. Together they launched an attack on the bureaucrats, which met with devastating results and Ikuta taking his own life. <ref>Frédéric, Louis. (2002). [http://books.google.ca/books?id=p2QnPijAEmEC&pg=PA382&dq=Ikuta+Yorozu&hl=en&sa=X&ei=mnGdUN_vJMiIiwKjuoGYAg&sqi=2&ved=0CC0Q6AEwAA#v=onepage&q=Ikuta%20Yorozu&f=false Japan Encyclopedia, p. 382] </ref>

==Ogata Kōan and Tekijuku==

A year following Ōshio Heihachirō's rebellion, after the fire that had scorched nearly a quarter of Osaka city, the physician [[Ogata Kōan]] founded an academy to teach medicine, healing and Dutch Studies. The school was called [[Tekijuku]], where distinction of status was unknown and competition abounded. Ogata encouraged this competitive learning, especially of the Dutch language to which he had devoted much of his own life. However, the competition may have been too much when eventually students bent to the pressure of the academy and acted recklessly to vent frustrations, for example, "slashing their swords against the central pillar of the main boarding hall, leaving gashes and nicks". <ref>McClain, James L. and Osamu, Wakita. (1999). [http://books.google.ca/books?id=yb0rftAN3oQC&pg=PA227&dq=events+of+tenpo+era&hl=en&sa=X&ei=1LKyUIiUO6jGiwK_0IDoCg&ved=0CDQQ6AEwAQ#v=onepage&q=events%20of%20tenpo%20era&f=false Osaka: The Merchants' Capital of Early Modern Japan, p. 227-228] </ref> Ogata did not deem it necessary to take disciplinary measures, thinking it benign and recreational.

Much of Ogata's life was devoted to [[Rangaku]], which was clearly displayed in the vision he had for Tekijuku. Ogata is known for his attentions to the medical, or internal therapeutic aspects of Rangaku, including emphasis on diseases and aid in translation of foreign medicinal terms. <ref>McClain, James L. and Osamu, Wakita. (1999). [http://books.google.ca/books?id=yb0rftAN3oQC&pg=PA227&dq=events+of+tenpo+era&hl=en&sa=X&ei=1LKyUIiUO6jGiwK_0IDoCg&ved=0CDQQ6AEwAQ#v=onepage&q=events%20of%20tenpo%20era&f=false Osaka: The Merchants' Capital of Early Modern Japan, p. 229] </ref>

==Morrison Incident==

In 1837, the American ship Morrison endeavoured to initiate trade with Japan through the rescue of seven ship-wrecked Japanese sailors. However, as the merchant ship entered Japanese seas, the Morrison was open fired upon and driven from the waters by law of the [[Edict to Repel Foreign Vessels]] passed by Japan in 1825. <ref>Shavit, David. (1990). [http://books.google.ca/books?id=IWdZTaJdc6UC&dq=The+United+States+in+Asia:+A+Historical+Dictionary&source=gbs_navlinks_s The United States in Asia: A Historical Dictionary, p. 354] </ref>

However, there were those who criticized this law, namely the [[Bangaku Shachu]], a band of scholars intent on justifying the merits of Western learning. This stance against the shogunate riled the government into arresting twenty-six members of the Bangaku Shachu, and further enforcing the policies on foreign education by limiting the publication of books, and making access to materials such as Dutch Studies difficult. <ref>McClain, James L. and Osamu, Wakita. (1999). [http://books.google.ca/books?id=yb0rftAN3oQC&pg=PA227&dq=events+of+tenpo+era&hl=en&sa=X&ei=1LKyUIiUO6jGiwK_0IDoCg&ved=0CDQQ6AEwAQ#v=onepage&q=events%20of%20tenpo%20era&f=false Osaka: The Merchants' Capital of Early Modern Japan, p. 227-228] </ref>

==Tenpō Reforms==

As the Tokugawa era drew to a close, a major reform was exerted called the Tenpō Reforms (1841-1843), primarily instituted by [[Mizuno Tadakuni]], a dominant leader in the shogunate. The reforms were economic policies introduced prominently to resolve fiscal issues mainly caused by the Great Tenpō famine, and to revisit more traditional aspects of the Japanese economy. For the samurai, these reforms were meant to spur them to return to their roots of education and military arts. The samurai aimed for change within the status quo itself. There was a stringency amongst all classes of people, and at this time, farmers were forced to remain in their villages, while travellers to the cities were sent back home. Trade relations were disassembled, and various goods were lowered in price. <ref>Cunningham, Mark E. and Zwier, Lawrence J. (2009). [http://books.google.ca/books?id=GMVrR4PFzTIC&dq=Tokugawa+Ieyoshi&source=gbs_navlinks_s The End of the Shoguns and the Birth of Modern Japan, p. 273] </ref> Under Mizuno's leadership, the reforms brought about moral reform, encouraged moderation and frugality, introduced recoinage and, of course, cancelled previous samurai debts. In addition, land transfers were impressed upon some of the [[daimyo]] to reassert Tokugawa authority. Some historians may view the reforms as the first steps towards the ultimate modernization of Japan's economy. <ref>Hauser, William B. (1974). [http://books.google.ca/books?id=g409hVldA4cC&dq=tempo+reforms&source=gbs_navlinks_s Economic Institutional Change in Tokugawa Japan: Osaka and the Kinai Cotton Trade, p. 54] </ref>

==Fires at Edo Castle==

Edo Castle was devastated by two fires during the Tenpō era, in 1839 and 1843 respectively, and despite rampant rebellion during this period, neither fire was due to unrest. <ref>Cullen, L. M. (2003). [http://books.google.ca/books?id=ycY_85OInSoC&dq=tempo+fire+edo+castle&source=gbs_navlinks_s A History of Japan, 1582-1941: Internal and External Worlds, p. 165] </ref>

==Other Events of the ''Tenpō'' era==
* '''1834''' (''Tenpō 5''): [[Kondō Isami]] born in Tama.
* '''July 20, 1835''' (''Tenpō 6, 7th day of the 6th month''):<!-- NengoCalc 天保七年六月七日 --> Earthquake in Sanriku (Latitude: 37.900/Longitude: 141.900), 7.6 magnitude on the [[Richter Scale]].<ref name="NOAA">[http://www.ngdc.noaa.gov "Significant Earthquake Database"], U.S. National Oceanic and Atmospheric Administration (NOAA), National Geophysical Data Center (NGDC)</ref>
**[[Hijikata Toshizō]] born, May 5.
* '''1836''' (''Tenpō 7''): [[Matsudaira Katamori]] born in [[Edo]].
* '''1837''' (''Tenpō 7''): [[Tokugawa Ieyoshi]] becomes the 12th [[shogun]] of the [[Tokugawa shogunate|bakufu]] government.<ref name="hall21">Hall, John Whitney ''et al.'' (1991). [http://books.google.com/books?id=k_BrQL4Pn0QC&pg=PA21&dq=tokugawa+ienari&lr=&client=firefox-a ''Early Modern Japan'', p. 21.]</ref>
* '''1837''' (''Tenpō 8''): [[Tokugawa Yoshinobu]] born.
* '''April 25, 1843''' (''Tenpō 14, 25th day of the 3rd month''):<!-- NengoCalc 天保十四年三月二十六日 --> Earthquake in Yezo, Kushiro, Nemuro (Latitude: 41.800/Longitude: 144.800), 8.4 magnitude on the Richter Scale.<ref name="NOAA"/>
* '''1844''' (''Tenpō 15''): Insurrection in [[Chōshū Province|Chōshū]]; also, [[Saitō Hajime]] born in Edo.

===Calendar revision===
During the Tenpō era, [[Koide Shuki]] translated portions of [[Jérôme Lalande]]'s work on astronomy. Koide presented this work to the Astronomy Board as evidence of the superiority of the European calendar, but the effort produced no identifiable effect.<ref>Smith, David. (1914). {{Google books|J1YNAAAAYAAJ|''A History of Japanese Mathematics'', pp. 267. |page=267}}</ref> However, Koide's work and translations of other Western writers did indirectly affect the ''Tenpo'' calendar revision in 1842-1844. A great many errors had been found in the lunar calendar; and a revised system was publicly adopted in 1844. The new calendar was called the ''Tenpō-Jinin'' calendar. It was in use in Japan until 1872 when the Gregorian calendar was adopted.<ref>Hayashi, Tsuruichi. (1907). "A Brief history of the Japanese Mathematics", {{Google books|k7LxAAAAMAAJ|''Nieuw archief voor wiskunde'' ("New Archive of Mathematics"), p. 126.|page=126}}</ref>

==Gallery==
<gallery>
File:Tenpo period edasen.jpg|Branched ("Edasen" 枝銭) [[Japanese mon (currency)|Mon]] coins of the Tenpō period.
Image:MorrisonShip.jpg|Japanese drawing of the ''Morrison'', anchored in front of [[Uraga]] in 1837.
</gallery>

==See also==
* [[Tenpo Reform]]


==Notes==
==Notes==
Line 19: Line 72:


==References==
==References==
* [[John Whitney Hall|Hall, John Whitney]] and [[Marius Jansen]]. (1991). [http://books.google.com/books?id=k_BrQL4Pn0QC&client=firefox-a ''Early Modern Japan: The Cambridge History of Japan.''] Cambridge: [[Cambridge University Press]]. 10-ISBN 0-521-22355-5; 13-ISBN 978-0-521-22355-3; [http://www.worldcat.org/wcpa/isbn/0521223555 OCLC 62064695]
* [[John Whitney Hall|Hall, John Whitney]] and [[Marius Jansen]]. (1991). [http://books.google.com/books?id=k_BrQL4Pn0QC&client=firefox-a ''Early Modern Japan: The Cambridge History of Japan.''] Cambridge: [[Cambridge University Press]]. 10-{{ISBN|0-521-22355-5}}; 13-{{ISBN|978-0-521-22355-3}}; [http://www.worldcat.org/wcpa/isbn/0521223555 OCLC 62064695]
* Nussbaum, Louis Frédéric and Käthe Roth. (2005). ''Japan Encyclopedia.'' Cambridge: [[Harvard University Press]]. 10-{{ISBN|0-674-01753-6}}; 13-{{ISBN|978-0-674-01753-5}}; [http://www.worldcat.org/oclc/48943301/editions?editionsView=true&referer=br OCLC 48943301]
* [[David Eugene Smith|Smith, David E.]] and [[Yoshio Mikami]]. (1914). [http://books.google.com/books?id=J1YNAAAAYAAJ&dq=Shiraishi+Chochu&source=gbs_navlinks_s ''A History of Japanese Mathematics.''] Chicago: Open Court Publishing. [http://www.worldcat.org/title/history-of-japanese-mathematics/oclc/1515528 OCLC 1515528] [http://www.archive.org/details/historyofjapanes00smitiala – note alternate online, full-text copy at archive.org]
* ''Wiskundig Genootschap'' (Mathematical Society). (1907). [http://books.google.com/books?id=4ucKAAAAYAAJ&dq=Nieuw+archief+voor+wiskunde&source=gbs_navlinks_s ''Nieuw archief voor wiskunde''] (New Archive of Mathematics''). Amsterdam, Swets & Zeitlinger. [http://www.worldcat.org/title/nieuw-archief-voor-wiskunde/oclc/5814818 OCLC 5814818]
* Jansen, Marius B. (2000). [http://books.google.ca/books?id=3bf4g447YdcC&dq=disasters+of+the+Tenp%C5%8D+era&source=gbs_navlinks_s ''The Making of Modern Japan.''] Cambridge, MA: [[Harvard University Press]].
* Hall, John Whitney. (1991). [http://books.google.ca/books?id=6RBXXJixf-sC&vq=tempo&client=firefox-a&source=gbs_navlinks_s ''The Cambridge History of Japan, vol. 4.''] Cambridge, UK: [[Cambridge University Press]].
* Jansen, Marius B. (1995). [http://books.google.ca/books?id=lwPxgoaNVWEC&dq=tempo+famine&source=gbs_navlinks_s ''The Emergence of Meiji Japan.''] Cambridge, UK: [[Cambridge University Press]].
* Jansen, Marius B. (1989). [http://books.google.ca/books?id=6wKCn-Ykj7IC&dq=tempo+famine&source=gbs_navlinks_s ''The Cambridge History of Japan, vol. 5.''] Cambridge, UK: [[Cambridge University Press]].
* Totman, Conrad D. (1993). [http://books.google.ca/books?id=Mb7Zp3LF-VAC&dq=%C5%8Cshio+Heihachir%C5%8D+Rebellion&source=gbs_navlinks_s ''Early Modern Japan.''] Berkeley, CA: [[University of California Press]].
* Hane, Mikiso and Perez, Louis G. (2009). [http://books.google.ca/books?id=YCYd0GicIXUC&dq=%C5%8Cshio+Heihachir%C5%8D+Rebellion&source=gbs_navlinks_s ''Modern Japan: A Historical Survey.''] Boulder, CO: [[Westview Press]].
* Frédéric, Louis. (2002). [http://books.google.ca/books?id=p2QnPijAEmEC&dq=Ikuta+Yorozu&source=gbs_navlinks_s ''Japan Encyclopedia.''] Cambridge, MA: [[Harvard University Press]].
* Lu, David J. (1997). [http://books.google.ca/books?id=xJxf1W74XSoC&dq=tempo+reforms&source=gbs_navlinks_s ''Japan: A Documentary History.''] Armonk, NY: [[East Gate Book]].
* Hauser, William B. (1974). [http://books.google.ca/books?id=g409hVldA4cC&dq=tempo+reforms&source=gbs_navlinks_s ''Economic Institutional Change in Tokugawa Japan: Osaka and the Kinai Cotton Trade.''] New York: [[Cambridge University Press]].
* Shavit, David. (1990). [http://books.google.ca/books?id=IWdZTaJdc6UC&dq=The+United+States+in+Asia:+A+Historical+Dictionary&source=gbs_navlinks_s ''The United States in Asia: A Historical Dictionary.''] Westport, CT: [[Greenwood Publishing Group]].
* Cullen, L. M. (2003). [http://books.google.ca/books?id=ycY_85OInSoC&dq=tempo+fire+edo+castle&source=gbs_navlinks_s ''A History of Japan, 1582-1941: Internal and External Worlds.''] Cambridge, UK: [[Cambridge University Press]].
* Cunningham, Mark E. and Zwier, Lawrence J. (2009). [http://books.google.ca/books?id=GMVrR4PFzTIC&dq=Tokugawa+Ieyoshi&source=gbs_navlinks_s ''The End of the Shoguns and the Birth of Modern Japan.''] Minneapolis, MN: [[Twenty-First Century Books]].
* McClain, James L. and Osamu, Wakita. (1999). [http://books.google.ca/books?id=yb0rftAN3oQC&printsec=frontcover#v=onepage&q&f=false ''Osaka: The Merchants' Capital of Early Modern Japan.''] New York: [[Cornell University Press]].
* Jannetta, Ann Bowman. (2007). [http://books.google.ca/books?id=7nObUtM8vCIC&printsec=frontcover#v=onepage&q&f=false ''The Vaccinators: Smallpox, Medical Knowledge, and the "Opening" of Japan.''] Stanford, CA: [[Stanford University Press]].

== External links ==
* [http://www.ndl.go.jp/koyomi/e/ "The Japanese Calendar"], National Diet Library—historical overview plus illustrative images from library's collection

<center>
<table border=1 cellpadding=0 cellspacing=0>
<tr style="font-weight:bold;background-color:#CCCCCC;color:#000000;text-align:right"><td>Tenpō</td><td>1st</td><td>2nd</td><td>3rd</td><td>4th</td><td>5th</td><td>6th</td><td>7th</td><td>8th</td><td>9th</td><td>10th</td><td>11th</td><td>12th</td><td>13th</td><td>14th</td><td>15th</td></tr>
<tr style="background-color:#FFFFFF;"><td>[[Gregorian Calendar|Gregorian]]</td><td>1830</td><td>1831</td><td>1832</td><td>1833</td><td>1834</td><td>1835</td><td>1836</td><td>1837</td><td>1838</td><td>1839</td><td>1840</td><td>1841</td><td>1842</td><td>1843</td><td>1844</td></tr>
</table>

<center>
<table border = 1>
<tr>
<td width = 30% align = center>
Preceded by:<br>''[[Bunsei]]''
</td><td width = 40% align = center>
'''[[Japanese era name|Era or ''nengō'']]:<br>'''Tenpō
</td><td width = 30% align = center>
Succeeded by:<br>''[[Kōka]]''
</td></tr>
</table>
</center>

{{Japanese era name}}

{{DEFAULTSORT:Tenpo}}
[[:Category:Japanese eras]]

[[eo:Tenpo-epoko]]
[[fr:Ère Tenpō]]
[[ko:덴포]]
[[ja:天保]]
[[pl:Tenpō]]
[[pt:Tenpō]]
[[simple:Tenpō]]
[[sv:Tenpō]]
[[zh:天保 (日本)]]

Latest revision as of 23:18, 22 July 2017

Tenpō (天保) was a Japanese era name (年号,, nengō,, lit. "year name"), also known as Tempō, after Bunsei and before Kōka. The period spanned the years from December 1830 through December 1844.[1] The reigning emperor was Ninko-tennō (仁孝天皇).

Introduction

[edit]

Change of era

[edit]
  • December 10, 1830 (Tenpō gannen (天保元年)) : In the 13th year of Bunsei, the new era name of Tenpō (meaning "Heavenly Imperial Protection") was created to mark the disasters of a great fire in Edo and an earthquake at Kyoto. The new era name was created from an hortatory aphorism: "Respect and worship the Ways of heaven. Eternally keep the Mandate of Heaven" (欽崇道、永天命).


The Tenpō era is often described as the beginning of the end of bafuku government. Though the era accomplished much through its reforms, and also culturally speaking, the injury inflicted on the Tokugawa system of government during the Tenpō period was unparalleled. Public order and dissatisfaction with government with a main issue, but the bafuku was not entirely at fault for the stir amongst the people. For example, the failure of crops in 1833, which soon became a lengthy disaster endured for over four years called the Great Tenpō famine, was caused mainly due to poor weather conditions. It became simply too cold for crops to flourish or receive needed warmth and water. Prices skyrocketed, as well. These dire circumstances sparked many rebellions and riots across Japan over the course of the Tenpō years. [2] Weary and desperate for someone to blame, the people rose up against the government, and Ōshio Heihachirō, known for leading one of the largest rebellions, even stated the crop failure due to poor weather was a sign of Heaven's disappointment and retribution aimed towards the government itself. [3] Mizuno Tadakuni's reforms were meant to remedy these economic issues, but the reforms could not rescue the bakufu from its ultimate collapse.

The shogunate rule during the Tenpō era was that of Tokugawa Ieyoshi, the 12th shogun of the bakufu government. His reign lasted from 1837 to 1853. During this time, many factors appeared to have seen to the decline of his health: namely, the great and devastating famine, the many rebellions rising up against the bakufu, and the swift advance of foreign influence. [4]

Great Tenpō Famine

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The Great Tenpō famine of the 1830s was a devastating term in which the whole of Japan suffered sinking temperatures and loss of crops, and in turn, merchant prices began to spike. Many starved to death during this grim time. In areas like Takayama, the death rate spiked as high as nearly forty-five percent per thousand. [5] Crops continued to fail in the countryside, prices increased and supplies diminished, forcing people to compete to survive with what meager funds they had. The samurai also suffered the effects of the famine, dealing with lower wages from the Japanese domain governments in anticipation for challenging fiscal issues to come. To further the already dire conditions of the famine, illness eventually began to spread, and many who were starving could not resist forms of sickness such as pestilence, smallpox, measles and influenza. [6] Thousands died from hunger alone at the pinnacle of the crisis in 1836 to 1837. [7]

Rebellion

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One of the rebellions sparked by the Great Tenpō famine was the Ōshio Heihachirō Rebellion. The man for whom it was named led an attempted revolt in the 1830s, and was granted the label of yonaoshi daimyojin, or "world saviour", for his attempts at moral restoration. [8] Formally a police officer and scholar, Ōshio Heihachirō (1792-1837) had requested help from Osaka city commissioners and otherwise wealthy merchants in 1837, only to be met with indifference. Shocked by his lack of success in the endeavour, Ōshio instigated an uprising to oppose those who had refused their aid. With approximately 300 followers, including poor townsfolk and peasants from various villages, Ōshio set fire to one-fifth of Osaka city. But the rebellion was suppressed in short order, forcing Ōshio to a quick end in which he committed suicide. [9]

The scholar Ikuta Yorozo (1801-1837) also instigated a rebellion from similar roots as that of Ōshio Heihachirō. Ikuta had opened a school for the education of adolescents, consisting mostly of peasants. Having also suffered from the Great Tenpō Famine, Ikuta despaired the lack of aid local bureaucrats were willing to provide, and in 1837, he assembled a band of peasants in retaliation. Together they launched an attack on the bureaucrats, which met with devastating results and Ikuta taking his own life. [10]

Ogata Kōan and Tekijuku

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A year following Ōshio Heihachirō's rebellion, after the fire that had scorched nearly a quarter of Osaka city, the physician Ogata Kōan founded an academy to teach medicine, healing and Dutch Studies. The school was called Tekijuku, where distinction of status was unknown and competition abounded. Ogata encouraged this competitive learning, especially of the Dutch language to which he had devoted much of his own life. However, the competition may have been too much when eventually students bent to the pressure of the academy and acted recklessly to vent frustrations, for example, "slashing their swords against the central pillar of the main boarding hall, leaving gashes and nicks". [11] Ogata did not deem it necessary to take disciplinary measures, thinking it benign and recreational.

Much of Ogata's life was devoted to Rangaku, which was clearly displayed in the vision he had for Tekijuku. Ogata is known for his attentions to the medical, or internal therapeutic aspects of Rangaku, including emphasis on diseases and aid in translation of foreign medicinal terms. [12]

Morrison Incident

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In 1837, the American ship Morrison endeavoured to initiate trade with Japan through the rescue of seven ship-wrecked Japanese sailors. However, as the merchant ship entered Japanese seas, the Morrison was open fired upon and driven from the waters by law of the Edict to Repel Foreign Vessels passed by Japan in 1825. [13]

However, there were those who criticized this law, namely the Bangaku Shachu, a band of scholars intent on justifying the merits of Western learning. This stance against the shogunate riled the government into arresting twenty-six members of the Bangaku Shachu, and further enforcing the policies on foreign education by limiting the publication of books, and making access to materials such as Dutch Studies difficult. [14]

Tenpō Reforms

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As the Tokugawa era drew to a close, a major reform was exerted called the Tenpō Reforms (1841-1843), primarily instituted by Mizuno Tadakuni, a dominant leader in the shogunate. The reforms were economic policies introduced prominently to resolve fiscal issues mainly caused by the Great Tenpō famine, and to revisit more traditional aspects of the Japanese economy. For the samurai, these reforms were meant to spur them to return to their roots of education and military arts. The samurai aimed for change within the status quo itself. There was a stringency amongst all classes of people, and at this time, farmers were forced to remain in their villages, while travellers to the cities were sent back home. Trade relations were disassembled, and various goods were lowered in price. [15] Under Mizuno's leadership, the reforms brought about moral reform, encouraged moderation and frugality, introduced recoinage and, of course, cancelled previous samurai debts. In addition, land transfers were impressed upon some of the daimyo to reassert Tokugawa authority. Some historians may view the reforms as the first steps towards the ultimate modernization of Japan's economy. [16]

Fires at Edo Castle

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Edo Castle was devastated by two fires during the Tenpō era, in 1839 and 1843 respectively, and despite rampant rebellion during this period, neither fire was due to unrest. [17]

Other Events of the Tenpō era

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Calendar revision

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During the Tenpō era, Koide Shuki translated portions of Jérôme Lalande's work on astronomy. Koide presented this work to the Astronomy Board as evidence of the superiority of the European calendar, but the effort produced no identifiable effect.[20] However, Koide's work and translations of other Western writers did indirectly affect the Tenpo calendar revision in 1842-1844. A great many errors had been found in the lunar calendar; and a revised system was publicly adopted in 1844. The new calendar was called the Tenpō-Jinin calendar. It was in use in Japan until 1872 when the Gregorian calendar was adopted.[21]

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See also

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Notes

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  1. ^ Nussbaum, Louis-Frédéric. (2005). "Tempō" Japan Encyclopedia, p. 957, p. 957, at Google Books; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see Deutsche Nationalbibliothek Authority File.
  2. ^ Jansen, Marius B. (2000). The Making of Modern Japan, p. 247
  3. ^ Jansen, Marius B. (2000). The Making of Modern Japan, p. 249
  4. ^ Jansen, Marius B. (2000). The Making of Modern Japan, p. 147
  5. ^ Hall, John Whitney. (1991). The Cambridge History of Japan, vol. 4, p. 699
  6. ^ Jansen, Marius B. (1995). The Emergence of Meiji Japan, p. 5
  7. ^ Jansen, Marius B. (1989). The Cambridge History of Japan, vol. 5, p. 119
  8. ^ Totman, Conrad D. (1993). Early Modern Japan, p. 447
  9. ^ Hane, Mikiso and Perez, Louis G. (2009). Modern Japan: A Historical Survey, p. 100-101
  10. ^ Frédéric, Louis. (2002). Japan Encyclopedia, p. 382
  11. ^ McClain, James L. and Osamu, Wakita. (1999). Osaka: The Merchants' Capital of Early Modern Japan, p. 227-228
  12. ^ McClain, James L. and Osamu, Wakita. (1999). Osaka: The Merchants' Capital of Early Modern Japan, p. 229
  13. ^ Shavit, David. (1990). The United States in Asia: A Historical Dictionary, p. 354
  14. ^ McClain, James L. and Osamu, Wakita. (1999). Osaka: The Merchants' Capital of Early Modern Japan, p. 227-228
  15. ^ Cunningham, Mark E. and Zwier, Lawrence J. (2009). The End of the Shoguns and the Birth of Modern Japan, p. 273
  16. ^ Hauser, William B. (1974). Economic Institutional Change in Tokugawa Japan: Osaka and the Kinai Cotton Trade, p. 54
  17. ^ Cullen, L. M. (2003). A History of Japan, 1582-1941: Internal and External Worlds, p. 165
  18. ^ a b "Significant Earthquake Database", U.S. National Oceanic and Atmospheric Administration (NOAA), National Geophysical Data Center (NGDC)
  19. ^ Hall, John Whitney et al. (1991). Early Modern Japan, p. 21.
  20. ^ Smith, David. (1914). A History of Japanese Mathematics, pp. 267. , p. 267, at Google Books
  21. ^ Hayashi, Tsuruichi. (1907). "A Brief history of the Japanese Mathematics", Nieuw archief voor wiskunde ("New Archive of Mathematics"), p. 126., p. 126, at Google Books

References

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  • "The Japanese Calendar", National Diet Library—historical overview plus illustrative images from library's collection
Tenpō1st2nd3rd4th5th6th7th8th9th10th11th12th13th14th15th
Gregorian183018311832183318341835183618371838183918401841184218431844

Preceded by:
Bunsei

Era or nengō:
Tenpō

Succeeded by:
Kōka


Category:Japanese eras