Hōen (保延) was a Japanese era name (年号,,nengō,, lit. "year name") after Chōshō and before Eiji. This period spanned the years from September 1135 through July 1141. The reigning emperor was Sutoku-tennō (崇徳天皇).
February 15, 1035Hōen gannen (保延元年): The new era name Hōen was created to mark an event or a series of events. The previous era ended and the new one commenced in Chōshō 4, on the 27th day of the 4th month of 1135.
Events of the Hōen Era
1136 (Hōen 2, 3rd month): The former-Emperor Toba hosted a grand dinner party.
1136 (Hōen 2, 5th month): The sadaijin Fujiwara Ieyetada died at age 75.
1136 (Hōen 2, 12th month): The udaijin Minamoto no Arihito was named sadaijin; and the naidaijin Fujiwara Munetada was named udaijin.
1136 (Hōen 2, 12th month): Fujiwara Yorinaga was appointed Minister of the Center (naidaijin) at the age of 17.
1138 (Hōen 4, 2nd month): The udaijin Munetada shaved his head at age 77; and he became a Buddhist priest.