{"id":620803,"date":"2026-01-18T20:31:13","date_gmt":"2026-01-18T19:31:13","guid":{"rendered":"https:\/\/cronologia-universale.it\/may-12-1860\/"},"modified":"2026-01-18T20:31:13","modified_gmt":"2026-01-18T19:31:13","slug":"1851-6","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1851-6\/","title":{"rendered":"1851"},"content":{"rendered":"<p>England. Second attempt to lay an insulated copper cable between Dover and Calais. This time the cable is composed of four independent insulated wires, protected by layers of hemp and tar, and reinforced with wire. It proves to be more resistant than the previous one.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>England. Second attempt to lay an insulated copper cable between Dover and Calais. This time&#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-620803","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>1851 - 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\/1851-6\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1851 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"England. 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