Shōchō
Shōchō (正長?) was a Japanese era name (年号? nengō, "year name") after Ōei and before Eikyō, from April 1428 until September 1429. Reigning emperors were Shōkō-tennō (称光天皇?) and Go-Hanazono-tennō (後花園天皇?).
...
Wikipedia
Shōchō (正長?) was a Japanese era name (年号? nengō, "year name") after Ōei and before Eikyō, from April 1428 until September 1429. Reigning emperors were Shōkō-tennō (称光天皇?) and Go-Hanazono-tennō (後花園天皇?).