Kempo (建保) was a Japanese era name (年号, nengō, lit. year name) after Kenryaku and before Jōkyū. This period started in December 1213 and ended in April 1219. The reigning emperor was Juntoku-tennō (順徳天皇).
Events of the Kempo era
1213 (Kempo 1, 1st day of the 1st month): There was an earthquake at Kamakura.
1213 (Kempo 1, 11th month): Fujiwara no Teika, also known as Fujiwara no Sadeie offered a collection of 8th century poems to Shogun Sanetomo. These poems were collectively known as the Man'yōshū.
1214 (Kempo 2, 2nd month): Shogun Sanetomoand the Buddhist priest Eisai drank tea, together.
1214 (Kempo 2, 3rd month): The emperor went to Kasuga.
1214 (Kempo 2, 4th month): Enryaku-ji was burned; and Sanetomo paid for repairs.
♯The Northern pretenders did not recognize the Genkō era. Gentoku was used in the Northern Court until 1332. ₪The Shōkyō era was recognized only by the Northern pretenders, not by the Southern Court. ‡ Upon reunification of the Northern and Southern Courts in 1392, Genchū was discontinued. Meitoku was used until 1394.