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Ōei (応永) was aJapanese era name (年号,nengō, "year name") afterMeitoku and beforeShōchō. This period spanned the years from July 1394 through April 1428.^[1] Reigning emperors wereGo-Komatsu-tennō (後小松天皇,) andShōkō-tennō (称光天皇).^[2]

• 1394Ōei gannen (応永元年): The new era name was created because of plague. The previous era ended and a new one commenced inMeitoku 5, the 5th day of the 7th month.

• 1394 (Ōei 1): Yoshimitsu officially cedes his position to his son;^[3]
• 1396 (Ōei 3): Imagawa Sadayo dismissed.^[4]
• 1397 (Ōei 4): Uprising in Kyūshū suppressed.^[5]
• May 13, 1397 (Ōei 4, 16th day of the 4th month): Construction begun onKinkaku-ji.^[6]
• 1397 (Ōei 4, 8th month): an Imperial ambassador is dispatched from Emperor Go-Komatsu to the court of theHongwu Emperor of China.^[6]
• September 1398 (Ōei 5, 8th month): In the early autumn in the 6th year of the reign of KingTaejong of Joseon, a diplomatic mission was sent to Japan.^[7]Pak Ton-ji and his retinue arrived in Kyoto.Shōgun Yoshimochi presented the envoy with a formal diplomatic letter; and presents were given for the envoy to convey to the Joseon court.^[8]
• 1398 (Ōei 5) Muromachi administration organized.^[5]
• November 18, 1399 (Ōei 6, 28th day of the 10th month):Ōei Rebellion [ja] (応永の乱,Ōei no ran) begins.Ōuchi Yoshihiro raises an army againstshōgunAshikaga Yoshimitsu; and the Ashikaga forces prevail against this opposition.^[9]
• 1399 (Ōei 6):Ōuchi Yoshihiro andAshikaga Mitsukane rebel—Ōei War.^[5]
• 1401 (Ōei 8, 2nd month): The Imperial Palace was burned.^[10]
• 1401 (Ōei 8): Yoshimitsu sends a diplomatic mission to the court of theJianwen Emperor of China as a tentative first step in re-initiating trade between Japan andMing China. The letter conveyed to the Emperor of China was accompanied by a gift of 1000 ounces of gold and diverse objects.^[10]
• 1402 (Ōei 9): A letter from theJianwen Emperor of China was received by Yoshimitsu; and this formal communication mistakenly accords the title "king of Japan" to the Japaneseshōgun.^[11]
• 1402 (Ōei 9): Uprising in Mutsu suppressed.^[5]
• 1404 (Ōei 11): Yoshimitsu appointedNippon Koku-Ō (King of Japan) by Chinese emperor.
• 1408 (Ōei 15): Yoshimitsu dies.^[5]
• 1408 (Ōei 15): Yoshimochi comes into his own as ashōgun.
• 1409 (Ōei 16, 3rd month): An ambassador from the Joseon court was received in Kyoto.^[12]
• 1409 (Ōei 16):Ashikaga Mochiuji becomesKantō kubō.^[5]
• 1411 (Ōei 18): Yoshimochi breaks off relations with China.^[13]
• 1412 (Ōei 19):Emperor Shōkō was made the new sovereign upon the abdication of his father,Emperor Go-Komatsu. His actual coronation date was two years later. Shōkō was only 12 years old when he began living in thedaïri; but Go-Komatsu, as aCloistered Emperor still retained direction of the court and theshōgun was charged with the general superintendence of affairs until his death at age 57 in 1433.^[14]
• 1413 (Ōei 20):ShōgunAshikaga Yoshimochi fell ill, and so he sent an ambassador to theIse Shrine to pray for the return of his health.^[15]
• 1413 (Ōei 20):Emperor Go-Komatsu abdicates;Emperor Shōkō ascends throne in repudiation of agreement; renewed hostility between shogunate and supporters of Southern Court.^[5]
• January 29, 1415 (Ōei 21, on the 19th day of the 12th month): Enthronement of Emperor Shōkō.
• 1415 (Ōei 22): Dissension between Mochiuji, the Kantō Kubō at Kamakura, andUesugi Zenshū (Kanrei).^[13]
• 1416 (Ōei 23): Uesugi rebels.^[5]
• 1417 (Ōei 24): Uesugi's rebellion quelled by Mochiuji.^[13]
• 1418 (Ōei 25): Rebuilding ofAsama Shrine at the base ofMount Fuji inSuruga Province is ordered by Ashikaga Yoshimochi.^[16]
• July 18, 1419 (Ōei 26, 26th day of the 6th month):Ōei Invasion (応永の外寇,Ōei no gaikō) was aJoseon military action inTsushima Province (Tsushima Island). The Joseon military forces were focused on the pirates (wakō) which had established bases from which to raid the coastline of the Korean peninsula. More than 200 ships and 17,000 fighting men took part in this military expedition.^[17]
• 1420 (Ōei 27): Serious famine with great loss of life.^[13]
• 1422 (Ōei 29): Resuragence of southern supporters.^[5]
• 1423 (Ōei 30, 2nd month):Shōgun Yoshimochi retires in favor of his son,Ashikaga Yoshikatsu, who is 17 years old.^[18]
• 1424 (Ōei 31): Go-Kameyama dies.^[5]
• March 17, 1425 (Ōei 32, 27th day of the 2nd month):Shōgun Yoshikatsu died at the age of 19 years, having administered the empire for only three years.^[19]
• 1425 (Ōei 32): After Yoshikazu dies, Yoshimochi resumes the responsibilities of office.^[5]
• 1428 (Ōei 35): Yoshimochi dies; Shōkō dies;Go-Hanazono ascends throne in second repudiation of agreement.^[5]

• Kang, Etsuko Hae-jin. (1997).Diplomacy and Ideology in Japanese-Korean Relations: from the Fifteenth to the Eighteenth Century. Basingstoke, Hampshire; Macmillan.ISBN 978-0-312-17370-8;OCLC 243874305
• Nussbaum, Louis Frédéric and Käthe Roth. (2005).Japan Encyclopedia. Cambridge:Harvard University Press.ISBN 978-0-674-01753-5;OCLC 48943301
• Ponsonby-Fane, Richard Arthur Brabazon. (1959).The Imperial House of Japan. Kyoto: Ponsonby Memorial Society.OCLC 194887
• ____________. (1962).Studies in Shinto and Shrines. Kyoto: Ponsonby Memorial Society.OCLC 3994492
• 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

• Japanese eras
• 1390s in Japan
• 1400s in Japan
• 1410s in Japan
• 1420s in Japan
• 14th-century neologisms

• Articles with short description
• Short description is different from Wikidata
• Articles containing Japanese-language text