{"id":4134,"canonical_url":"https://www.kudos365.com/today-in-history/events/1817ce-may-7--4134","name":"1817 CE, May 7","year":1817,"era":"CE","month":5,"day":7,"url":"https://www.kudos365.com/today-in-history/events/1817ce-may-7--4134","iso-date":"1817-05-07","precision":"year-month-day","description":"\u003cp\u003eJapanese Emperor Kōkaku abdicates on May 7, 1817, in favor of his son, Emperor Ninkō. This event marked a significant moment in Japanese history, as Kōkaku was the first emperor to remain on the throne past the age of 40 in two centuries.\u0026nbsp;\u003c/p\u003e","additional_details":"\u003cp\u003eAfter abdicating, Kōkaku became a Daijō Tennō (retired emperor) and lived in the Sento Imperial Palace (Sakura Machi Palace) It is widely believed that the abdication was a political move in an age of instability and Kokaku continued to be the power behind the throne until his death in 1840.\u003c/p\u003e","photo":"https://k365fs.imgix.net/CE7rCeSdTKmLURLAyIyI_Kokaku_cropped%20R.jpg?auto=format,compress\u0026fit=clip\u0026max-w=1600","photo_width":185,"photo_height":124,"created_at":"2025-05-09T17:40:26-07:00","updated_at":"2026-05-07T17:29:53-07:00","breadcrumbs":{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"May History","item":"https://www.kudos365.com/today-in-history/may"},{"@type":"ListItem","position":2,"name":"May 7","item":"https://www.kudos365.com/today-in-history/may-7"}]},"schema":{"@context":"https://schema.org","@type":"Thing","@id":"https://www.kudos365.com/today-in-history/events/1817ce-may-7--4134#eventK365","name":"1817 CE, May 7","headline":"Japanese Emperor Kōkaku abdicates on May 7, 1817, in favor of his son, Emperor Ninkō - 1817 CE","description":"Japanese Emperor Kōkaku abdicates on May 7, 1817, in favor of his son, Emperor Ninkō. This event marked a significant moment in Japanese history, as Kōkaku...","url":"https://www.kudos365.com/today-in-history/events/1817ce-may-7--4134","additionalType":"HistoricalEvent","inLanguage":"en","datePublished":"2025-05-09T17:40:26-07:00","dateModified":"2026-05-07T17:29:53-07:00","publisher":{"@id":"https://www.kudos365.com/#organizationK365"},"image":{"@type":"ImageObject","url":"https://k365fs.imgix.net/CE7rCeSdTKmLURLAyIyI_Kokaku_cropped%20R.jpg?auto=format,compress\u0026fit=clip\u0026max-w=1600","width":185,"height":124},"temporalCoverage":"1817-05-07","isPartOf":[{"@id":"https://www.kudos365.com/#websiteK365"},{"@type":"CollectionPage","@id":"https://www.kudos365.com/today-in-history/may","name":"What Happened in May History"},{"@type":"CollectionPage","@id":"https://www.kudos365.com/today-in-history/may-7#pageK365","name":"What Happened on May 7"}]}}