Eien (永延) was a Japanese era (年号, nengō; lit. "year name") after Kanna and before Eiso. This period spanned the years from April 987 through August 988. The reigning emperor was Ichijō-tennō (一条天皇).
Change of era
January 2, 987Eien gannen (永延元年): The new era name was created to mark an event or a number of events. The previous era ended and a new one commenced in Kanna 3, on the 5th day of the 4th month in the year 987.
Events of Eien era
987 (Eien 1, 10th month): The emperor paid a visit to the home of Fujiwara no Kaneie.
987 (Eien 1, 12th month): The emperor visited the Kamo Shrine.
988 (Eien 2, 8th month): Fujiwara no Kaneie invited a number of courtiers to his home where he entertained them in a grand manner.
988 (Eien 2, 11th month): The emperor visited the home of Kaneie to join him in celebrating the courtier's 60th birthday.
Notes
↑Nussbaum, Louis-Frédéric. (2005). "Eien" in Japan Encyclopedia, p. 170, p. 170, at Google Books; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, seeDeutsche Nationalbibliothek Authority File[link removed].