Antei
Antei (安貞?) was a Japanese era name (年号, nengō,?, lit. "year name") after Gennin and before Kangi. This period spanned the years from December 1227 to March 1229. The reigning emperor was Go-Horikawa-tennō (後堀河天皇?).
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Wikipedia
Antei (安貞?) was a Japanese era name (年号, nengō,?, lit. "year name") after Gennin and before Kangi. This period spanned the years from December 1227 to March 1229. The reigning emperor was Go-Horikawa-tennō (後堀河天皇?).