{"id":623550,"date":"2026-01-18T22:03:10","date_gmt":"2026-01-18T21:03:10","guid":{"rendered":"https:\/\/cronologia-universale.it\/february-15-1942\/"},"modified":"2026-01-18T22:03:10","modified_gmt":"2026-01-18T21:03:10","slug":"1938-5","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1938-5\/","title":{"rendered":"1938"},"content":{"rendered":"<p>Hungarian Laszlo Bir\u00f3, after studying medicine, practicing hypnosis, racing, and journalism, along with his brother Gy\u00f6rgy, invented the ballpoint pen as we know it today. The invention actually dates back to 1888, when John L. Loud invented it, but he never commercialized it (it also leaked a lot of ink). The Bir\u00f3 patent was registered in Hungary in 1938 and in Argentina, where they fled to escape Nazism, in 1943.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hungarian Laszlo Bir\u00f3, after studying medicine, practicing hypnosis, racing, and journalism, along with his brother&#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":[43],"tags":[],"class_list":["post-623550","post","type-post","status-publish","format-standard","hentry","category-vg-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1938 - 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\/1938-5\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1938 - 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