title: Genna
text: was a  coming after Keichō and before Kan'ei.  This period started in July 1615 and ended in February 1624. During this time, the emperor was .
  
  The nengō Genna means "Commencement of Concord".
  
  Events of the Genna era
  
   1615 (Genna 1): Tokugawa forces burned Osaka Castle.
   1 September 1615 (Genna 1, 9th day of the 7th month): Tokugawa Ieyasu pulled down Hōkoku-jinja.
   1616 (Genna 2): Kida Kōan publishes Genna kokaisho, which is a book on ocean navigation.
   1 June 1616 (Genna 2, 17th day of the 4th month): Ieyasu died at Suruga Castle.
   26 September 1617 (Genna 3, 26th day of the 8th month): Former-Emperor Go-Yōzei died. He was buried at Nikkō.
   1618 (Genna 4, 8th month): A comet appeared in the sky.
   5 July 1620 (Genna 6, 6th day of the 6th month): The emperor married Tokugawa Kazuko who was the daughter of the shogun.
   1620 (Genna 6): There were destructive fires in Kyoto in the 2nd and 3rd month.
  
  Related pages 
   Edo period
  
  References
  
  Other websites 
   National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection
  
  Japanese eras
  1615 establishments
  17th-century establishments in Japan
  1624 disestablishments
  17th-century disestablishments in Japan