Gennin
For the formerly-German town of Gennin, see Jenin, Poland
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Gennin (元仁) was a Japanese era name (年号, nengō; lit. "year name") after Jōō and before Karoku. This period spanned the years from November 1224 to April 1225. The reigning emperor was Go-Horikawa-tennō (後堀河天皇).