TennaTenna was a Japanese era name after Enpō and before Jōkyō. This period spanned the years from September 1681 through February 1684. The reigning emperor was Emperor Reigen of Japan.Change of eraTenna gannen: The new era name of Tenna was created to mark the 58th year of a cycle of the Chinese zodiac. The previous era ended and the new one commenced in Enpō 9, on the 29th day of the 9th month.Events of the ''Tenna'' era1681 : In Edo, the investiture of Tokugawa Tsunayoshi as the fifth shōgun of the Edo bakufu.February 5, 1681 : The Great Tenna Fire in Edo.1681 : A famine afflicts Heian-kyō and the nearby areas.March 3, 1683 : Yaoya Oshichi was burned at the stake for arson.1683 : Tokugawa shogunate grants permission for Mitsui money exchanges to be established in Edo.1683 : The assassination of Hotta Masatoshi signals the end of government characterized by financial sobriety and stringency, and the beginning of a swing towards extravagance and the expansive spending policies of Tsunayoshi's chamberlains.