{"id":617515,"date":"2026-01-18T18:38:56","date_gmt":"2026-01-18T17:38:56","guid":{"rendered":"https:\/\/cronologia-universale.it\/1313-2\/"},"modified":"2026-01-18T18:38:56","modified_gmt":"2026-01-18T17:38:56","slug":"1270-2","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1270-2\/","title":{"rendered":"1270"},"content":{"rendered":"<p>The oldest known portolan chart, the Pisan Chart, is drawn. Among the best cartographers are Marco and Francesco Pizzigani. Portolan charts were made possible by the introduction of the nautical compass, and thus the ability to estimate position.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The oldest known portolan chart, the Pisan Chart, is drawn. Among the best cartographers are&#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":[35],"tags":[],"class_list":["post-617515","post","type-post","status-publish","format-standard","hentry","category-ev-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1270 - 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\/1270-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1270 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"The oldest known portolan chart, the Pisan Chart, is drawn. 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