{"id":623680,"date":"2026-01-18T22:07:36","date_gmt":"2026-01-18T21:07:36","guid":{"rendered":"https:\/\/cronologia-universale.it\/november-6-1942-2\/"},"modified":"2026-01-18T22:07:36","modified_gmt":"2026-01-18T21:07:36","slug":"late-1939-early-1940","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/late-1939-early-1940\/","title":{"rendered":"Late 1939 \u2013 Early 1940"},"content":{"rendered":"<p>During the Russo-Finnish War, the Finns provided the British with a significant amount of encrypted material, which led Bletchley Park to crack the Red Army code (the GKK) and the naval code (the OKF). The Finns also captured and handed over five codebooks, captured from the Soviets.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>During the Russo-Finnish War, the Finns provided the British with a significant amount of encrypted&#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-623680","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>Late 1939 \u2013 Early 1940 - 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\/late-1939-early-1940\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Late 1939 \u2013 Early 1940 - 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