Tenna

Tenna (天和) was a Japanese era name (年号) after Enpō and before Jōkyō. This period spanned the years from September 1681 through February 1684. The reigning emperor was Reigen-tennō (霊元天皇).

Change of era

 * Tenna gannen (天和元年): The new era name of Tenna (meaning "Heavenly Imperial Peace") 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 era

 * 1681 (Tenna 1): In Edo, the investiture of Tokugawa Tsunayoshi as the fifth shōgun of the Edo bakufu.
 * February 5, 1681 (Tenna 1, 28th day of the 12th month): The Great Tenna Fire in Edo.
 * 1681 (Tenna 2): A famine afflicts Heian-kyō and the nearby areas.
 * March 3, 1683 (Tenna 3, 5th day of the 2nd month): Yaoya Oshichi was burned at the stake for arson.
 * 1683 (Tenna 3): Tokugawa shogunate grants permission for Mitsui money exchanges (ryōgaeten) to be established in Edo.
 * 1683 (Tenna 4): 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.