Genna


Genna was a Japanese era name coming after Keichō and before Kan'ei. This period spanned the years from July 1615 to February 1624. The reigning emperor was Emperor Go-Mizunoo of Japan. It is also known as Genwa.

Change of era

  • 1615 Genna gannen: The era name was changed to mark the enthronement of Go-Mizunuoo and because of disasters such as the siege of Osaka, or more commonly, siege of Osaka. The old era ended and a new one commenced in Keichō 20.
The siege of Osaka was a series of battles undertaken by the Tokugawa shogunate against the Toyotomi clan, ending in that clan's destruction. Divided into two stages, and lasting from 1614 through 1615, the siege put an end to the last major armed opposition to the establishment of an enduring Tokugawa shogunate. The end of this period of fighting is also sometimes called the Siege of Osaka because the era name was changed from Keichō to Genna immediately following its ultimate resolution.
By order of Tokugawa Ieyasu, the era name of Emperor Xianzong of Tang China was adopted.

Events of the ''Genna'' era