{"id":1233,"date":"2010-01-01T11:09:00","date_gmt":"2010-01-01T09:09:00","guid":{"rendered":"https:\/\/bronicable.com\/en\/uncategorized\/on-this-day-in-bulgaria-november-9\/"},"modified":"2026-07-24T09:56:30","modified_gmt":"2026-07-24T07:56:30","slug":"on-this-day-in-bulgaria-november-9","status":"publish","type":"post","link":"https:\/\/bronicable.com\/en\/on-this-day-in-bulgaria\/on-this-day-in-bulgaria-november-9\/","title":{"rendered":"On This Day in Bulgaria: November 9"},"content":{"rendered":"<h2><strong>November 9, 1901 &#8212; The Bulgarian Historical Society Is Founded<\/strong><\/h2>\n<p>On November 9, 1901, the Bulgarian Historical Society was founded in Sofia, giving organized scholarly form to the study of the country&#8217;s past. In the decades after Liberation, history was not only an academic field; it was central to state-building, education, identity, and public memory. The society brought together scholars and public figures interested in collecting sources, publishing research, and interpreting Bulgaria&#8217;s medieval, Ottoman, Revival, and modern periods. Its work helped strengthen historical scholarship at a time when archives, museums, universities, and learned societies were still developing. The foundation of such an organization showed that Bulgaria was consciously building the intellectual tools needed to understand and present its own national story.<\/p>\n<h2><strong>November 9, 1961 &#8212; Bulgaria&#8217;s First Nuclear Research Reactor Begins Operation<\/strong><\/h2>\n<p>On the same date in 1961, Bulgaria&#8217;s first nuclear reactor for research purposes went into operation near Sofia. The reactor marked an important step in the country&#8217;s scientific and technological development during the Cold War. It supported training, experiments, isotope production, and research connected with nuclear physics and energy, helping prepare Bulgarian specialists for a field that was becoming strategically important across the world. Although it was not a power reactor, its significance was broader than laboratory work alone: it placed Bulgaria within international nuclear science and created expertise later relevant to medicine, industry, and the energy sector. The event reflected the era&#8217;s belief that advanced science was essential to modernization and national prestige.<\/p>\n<p>Continue with <a href=\"https:\/\/bronicable.com\/en\/on-this-day-in-bulgaria\/on-this-day-in-bulgaria-november-8\/\">November 8<\/a> or <a href=\"https:\/\/bronicable.com\/en\/on-this-day-in-bulgaria\/on-this-day-in-bulgaria-november-10\/\">November 10<\/a>. For more stories and places, explore <a href=\"https:\/\/bronicable.com\/en\/category\/from-above\/\">Bulgaria From Above<\/a> and the guides in our <a href=\"https:\/\/bronicable.com\/en\/category\/bulgaria\/\">Bulgaria<\/a> category on <a href=\"https:\/\/bronicable.com\/en\/\">Bronicable<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On this day in Bulgarian history: the Bulgarian Historical Society was founded in 1901, and the country\u2019s first nuclear research reactor began operating in 1961.<\/p>\n","protected":false},"author":1,"featured_media":3286,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-1233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-on-this-day-in-bulgaria","latest_post"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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