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Eikyō

Period of Japanese history (1429–1441)

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Eikyō (永享) was a Japanese era name (年号, nengō, "year" name) after Shōchō and before Kakitsu. This period spanned the years from September 1429 through February 1441.^[1] The reigning emperor was Go-Hanazono-tennō (後花園天皇).^[2]

• 1429 Eikyō gannen (永享元年): The era name was changed to mark the beginning of the reign of Emperor Go-Hanazono. The previous era ended and a new era commenced in Shōchō 1, on the 29th day of the 7th month, when the new emperor was proclaimed.^[3]

• April 14, 1429 (Eikyō 1, 9th day of the 3rd month): Ashikaga Yoshinobu is honored in court; and thereafter, he is known as Yoshinori.^[4]
• 1429: Yoshinori appointed shōgun.^[5]
• 1430: Southern army surrenders.^[5]
• 1432: Akamatsu Mitsusuke flees; Yoshinori receives rescript from China.^[6]
• 1433 (Eikyō 5, 6th month): The Emperor of China addressed a letter to shōgun Yoshinori in which, as a conventional aspect of the foreign relations of Imperial China, the Chinese assume that the head of the Ashikaga shogunate is effectively the "king of Japan".^[7]
• 1433: Ōtomo rebels; Hieizan monks rebel.^[5]
• 1434: Tosenbugyo established to regulate foreign affairs.^[8]
• 1436: Yasaka Pagoda at Hokanji in Kyoto destroyed by fire.^[9]
• 1438: Kantō Kanrei (Kantō administrator) Ashikaga Mochiuji rebels against Muromachi shogunate, also known as Eikyō Rebellion (永享の乱, Eikyō-no-ran) .^[10]
• 1439: Mochiuji is defeated, and he commits suicide; dissatisfaction with Yoshinori grows.^[11]
• 1440: Yasaka Pagoda at Hokanji in Kyoto re-constructed by Yoshinori.^[9]
• 1441: Yoshinori grants Shimazu suzerainty over Ryukyu Islands; Akamatsu murders Yoshinori—Kakitsu Incident; Yamana kills Akamatsu.^[12]

• 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 Ōdai 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