Kōan (弘安) was a Japanese era (年号,, nengō,, lit. "year name") after Kenji and before Shōō. This period started in February 1278 and ended in April 1288. During this time, the emperor|emperors were Go-Uda-tennō (後宇多天皇) and Fushimi-tennō (伏見天皇).
Kōan (弘安) was a Japanese era (年号,, nengō,, lit. "year name") after Kenji and before Shōō. This period started in February 1278 and ended in April 1288. During this time, the emperor|emperors were Go-Uda-tennō (後宇多天皇) and Fushimi-tennō (伏見天皇).