{"id":618867,"date":"2026-01-18T19:25:26","date_gmt":"2026-01-18T18:25:26","guid":{"rendered":"https:\/\/cronologia-universale.it\/december-25-1683\/"},"modified":"2026-01-18T19:25:26","modified_gmt":"2026-01-18T18:25:26","slug":"17th-century-4","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/17th-century-4\/","title":{"rendered":"17th century"},"content":{"rendered":"<p>In commercial or military vessels, approximately one sailor is needed for every five tons of displacement. In the 14th century, it was one for every 10 tons in Venetian cogs, while in the 13th century, it was one for every 5 tons in lateen-rigged ships. In the 17th century, sailors began to increase again, mostly for defense against pirates.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In commercial or military vessels, approximately one sailor is needed for every five tons of&#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-618867","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>17th century - 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\/17th-century-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"17th century - 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