Kempo (建保) was a Japanese era name (年号, nengō, lit. year name) after Kenryaku and before Jōkyū. This period spanned the years from December 1213 through April 1219. The reigning emperor was Juntoku-tennō (順徳天皇).
1214 (Kempo 2, 2nd month): Shōgun Sanetomo, having drunk too much sake, was feeling somewhat uncomfortable; and the Buddhist priest Eisai, who was the grand priest of the Jufuku-ji temple-complex, presented the shōgun with an excellent tea, which restored his good health.
1214 (Kempo 2, 3rd month): The emperor went to Kasuga.
1214 (Kempo 2, 4th month): A group of militant priests living on Mt. Hiei set fire to the central temple structure at Enryaku-ji. The damage was repaired at the expense of Shōgun Sanetomo.