Genna

Period of Japanese history (1615–1624) Portrait of Emperor Go Mizunoo, 18th Century Genna (元和) was a Japanese era name (年号, nengō; "year name") coming after Keichō and before Kan'ei. This period spanned the time from September 5, 1615 to April 17, 1624 in the Gregorian calendar. The reigning emperor was Go-Mizunoo-tennō (後水尾天皇). It is also known as Genwa. Change of era 1615 Genna gannen (元和元年): The era name was changed to mark the enthronement of Go-Mizunuoo and because of disasters such as the siege of Osaka (大坂の役,, Ōsaka-no-eki), or more commonly, siege of Osaka (大坂の陣,, Ōsaka-no-jin). 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 (the "Winter Campaign" and the "Summer Campaign"), 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 Genna armistice (元和偃武,, Genna-enbu) because the era name was ch