Anna (安和) — Japanese era name (968–970) Anna (era) Anna (安和) was a Japanese era name from August 968 to March 970 during the Heian period, spanning the reigns of Emperors Reizei and En'yū and associated with court succession and po…
Chōhō (Japanese era, 999–1004) Chōhō (era) Chōhō was a Japanese era (nengō) lasting from January 999 to July 1004 during the Heian period, under Emperor Ichijō. It followed Chōtoku and preceded Kankō and reflects court poli…
