Japan's date system is unusually complicated in that it has such a long history of being continually reset: http://www.sljfaq.org/afaq/era-list.html http://www.

Japan's date system is unusually complicated in that it has such a long history of being continually reset: http://www.sljfaq.org/afaq/era-list.html http://www.sljfaq.org/afaq/era-list.html