• Born date: n.a.
  • Born in: n.a.
Emperor Kōan

Emperor Kōan (孝安天皇, Kōan-tennō); also known as Yamatotarashihikokunioshihito no Mikoto; was the sixth emperor of Japan, according to the traditional order of succession.No firm dates can be assigned to this emperor's life or reign; he is conventionally considered to have reigned from 392 BC through 291 BC, but he may have lived in the early 1st century.