{"data":{"id":"fact_btdai72i9w","thread":{"slug":"thai-cambodia-conflict","title":"Thailand–Cambodia Border Conflict"},"occurredAt":"1868-10-01T12:00:00.000Z","recordedAt":"2026-09-02T04:22:09.274Z","title":"King Mongkut of Siam Dies; Son Chulalongkorn Succeeds at Age 15","body":"King Mongkut (Rama IV) of Siam died on 1 October 1868 in Bangkok, after contracting malaria during an expedition to observe a solar eclipse. His 15-year-old son, Chulalongkorn, succeeded him as Rama V, with regent Sri Suriwongse ruling until 1873. Chulalongkorn's reign was marked by modernization and the preservation of Siam's independence.","location":"Bangkok, Siam","actors":["King Mongkut (Rama IV)","King Chulalongkorn (Rama V)","Sri Suriwongse"],"verdict":"VERIFIED","verdictNote":"Multiple reputable sources consistently confirm that King Mongkut (Rama IV) died on 1 October 1868 and was succeeded by his son Chulalongkorn (Rama V), who was 15 years old at the time, with a regent ruling until 1873. The Wikipedia articles on Mongkut and Chulalongkorn, along with History Today and other sources, agree on these facts. The claim is fully supported.","sources":[{"url":"https://en.wikipedia.org/wiki/Mongkut","title":"Mongkut - Wikipedia","publisher":"en.wikipedia.org","retrievedAt":"2026-09-02"},{"url":"https://en.wikipedia.org/wiki/Chulalongkorn","title":"Chulalongkorn - Wikipedia","publisher":"en.wikipedia.org","retrievedAt":"2026-09-02"},{"url":"https://www.historytoday.com/archive/months-past/death-king-siam","title":"Death of the King of Siam - History Today","publisher":"historytoday.com","retrievedAt":"2026-09-02"},{"url":"https://www.sciencehistory.org/stories/magazine/the-eclipse-that-killed-a-king-and-may-have-saved-a-kingdom/","title":"The Eclipse That Killed a King (and May Have Saved a Kingdom)","publisher":"sciencehistory.org","retrievedAt":"2026-09-02"}],"tags":["thailand","siam","monarchy","death","succession","19th-century"],"views":10,"updatedAt":"2026-09-04T23:09:22.424Z","media":[],"relatedFactIds":[],"url":"/fact/fact_btdai72i9w"}}