{"id":620482,"date":"2026-01-18T20:20:29","date_gmt":"2026-01-18T19:20:29","guid":{"rendered":"https:\/\/cronologia-universale.it\/april-1-1849\/"},"modified":"2026-01-18T20:20:29","modified_gmt":"2026-01-18T19:20:29","slug":"1840-4","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1840-4\/","title":{"rendered":"1840"},"content":{"rendered":"<p>Bohemia (now Czechia). A method of producing glass on an industrial scale at a low cost is invented. This will allow the sale of beer mugs, made of glass, allowing customers to see what they&#8217;re drinking. And they won&#8217;t like it: the beer often varies in color from dark brown to amber. This will lead to the success of Pilsner beer, also from the same region, with its distinctive, transparent blond color.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bohemia (now Czechia). A method of producing glass on an industrial scale at a low&#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-620482","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>1840 - 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\/1840-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1840 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"Bohemia (now Czechia). 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