Eiroku (永禄) was a Japanese era name (年号,, nengō,; lit. "year name") after Kōji and before Genki. This period started in February 1558 and ended in April 1570. During this time, the emperor was Ōgimachi-tennō (正親町天皇).
Events of the Eiroku era
Gifu Castle was captured by Oda Nobunaga in the 7th year of Eiroku
1560 (Eiroku 3, 1st month): Ōgimachi was formally established as emperor.
♯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.