was a after Meitoku and before Shōchō. This period spanned the years from July 1394 through April 1428. Reigning emperors were and .

Change of era

  • 1394 : The new era name was created because of plague. The previous era ended and a new one commenced in Meitoku 5, the 5th day of the 7th month.

Events of the Ōei era

  • 1394 (Ōei 1): Yoshimitsu officially cedes his position to his son;
  • 1396 (Ōei 3): Imagawa Sadayo dismissed.
  • 1397 (Ōei 4): Uprising in Kyūshū suppressed.
  • May 13, 1397 (Ōei 4, 16th day of the 4th month): Construction begun on Kinkaku-ji.
  • 1397 (Ōei 4, 8th month): an Imperial ambassador is dispatched from Emperor Go-Komatsu to the court of the Hongwu Emperor of China. 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.
  • 1398 (Ōei 5) Muromachi administration organized.
  • 1399 (Ōei 6): Ōuchi Yoshihiro and Ashikaga Mitsukane rebel—Ōei War.
  • 1401 (Ōei 8): Yoshimitsu sends a diplomatic mission to the court of the Jianwen Emperor of China as a tentative first step in re-initiating trade between Japan and Ming China. The letter conveyed to the Emperor of China was accompanied by a gift of 1000 ounces of gold and diverse objects.
  • 1402 (Ōei 9): Uprising in Mutsu suppressed.
  • 1409 (Ōei 16): Ashikaga Mochiuji becomes Kantō kubō.
  • 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 the daïri; but Go-Komatsu, as a Cloistered Emperor still retained direction of the court and the shōgun was charged with the general superintendence of affairs until his death at age 57 in 1433.
  • 1413 (Ōei 20): Shōgun Ashikaga Yoshimochi fell ill, and so he sent an ambassador to the Ise Shrine to pray for the return of his health.
  • 1413 (Ōei 20): Emperor Go-Komatsu abdicates; Emperor Shōkō ascends throne in repudiation of agreement; renewed hostility between shogunate and supporters of Southern Court.
  • July 18, 1419 (Ōei 26, 26th day of the 6th month): was a Joseon military action in Tsushima 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.
  • 1420 (Ōei 27): Serious famine with great loss of life.
  • 1424 (Ōei 31): Go-Kameyama dies.
  • 1425 (Ōei 32): After Yoshikazu dies, Yoshimochi resumes the responsibilities of office.