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| | Japanese era name |
 | | Showa is the longest era as of 2003. |
 | | Historically however, prior to the Meiji Restoration, era names were changed on many different occasions such as celebration, major political incidents, natural disasters, and so on, but the emperors posthumous name never took the name of an era. |
 | | Incidently, on modern official papers, those who were born prior to the Meiji era did not write the era name in which they born, but wrote Edo period (though now no one born over 130 years ago in that time period is still alive now). |
| www.ebroadcast.com.au /lookup/encyclopedia/ne/Nengou.html (406 words) |
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