{"id":621692,"date":"2026-01-18T21:00:56","date_gmt":"2026-01-18T20:00:56","guid":{"rendered":"https:\/\/cronologia-universale.it\/2-3-march-1896\/"},"modified":"2026-01-18T21:00:56","modified_gmt":"2026-01-18T20:00:56","slug":"june-18-1879","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/june-18-1879\/","title":{"rendered":"June 18, 1879"},"content":{"rendered":"<p>Samarium is discovered by Paul Emile Lecoq de Boisbaudran. The discovery occurs when the scientist observes impure samples of didymium (which later turns out to be composed of neodymium and praseodymium). A century later, samarium will be a component of some rare-earth magnets (although the most powerful are neodymium ones) used in servo motors.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Samarium is discovered by Paul Emile Lecoq de Boisbaudran. The discovery occurs when the scientist&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-621692","post","type-post","status-publish","format-standard","hentry","category-e-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>June 18, 1879 - Cronologia Universale<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cronologia-universale.it\/en\/june-18-1879\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"June 18, 1879 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"Samarium is discovered by Paul Emile Lecoq de Boisbaudran. 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