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Glossary History Timeline
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Shōchō (正長) was a Japanese era name (年号, nengō, "year name") after Ōei and before Eikyō, from April 1428 until September 1429.^[1] The reigning emperors were Shōkō-tennō (称光天皇) and Go-Hanazono-tennō (後花園天皇).^[2]

• 1428 Shōchō gannen (正長元年): The era name was changed to mark an event or a number of events. The previous era ended and a new one commenced in Ōei 35.

• February 3, 1428 (Shōchō 1, 18th day of the 1st month): Shōgun Ashikaga Yoshimochi, having taken power again after the death of his son, dies himself at the age of 43.^[3]
• August, 1428 (Shōchō 1, 7th month): Shocho Uprising begins.
• August 30, 1428 (Shōchō 1, 20th day of the 7th month): Emperor Shōkō died at the age of 27.^[4] Nihon Ōdai Ichiran suggests a cause of death by explaining: "Ce prince, s'occupait de magie et du culte de démons, mena une vie pure, et observa rigoureusement l'abstinence et le jeûne." [This prince, who occupied himself with magic and the cult of demons, led a pure life, and rigorously observed abstinence and fasting.]^[5]
• September 7, 1428 (Shōchō 1, 29th day of the 7th month): Emperor Go-Hanazono accedes to the throne at age 10.^[6]

• Nussbaum, Louis Frédéric and Käthe Roth. (2005). Japan Encyclopedia. Cambridge: Harvard University Press. ISBN 978-0-674-01753-5; OCLC 48943301
• Titsingh, Isaac. (1834). Nihon Odai Ichiran; ou, Annales des empereurs du Japon. Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691

• National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection