{"id":177,"date":"2024-08-19T21:19:05","date_gmt":"2024-08-19T19:19:05","guid":{"rendered":"http:\/\/forsvarogforter.dk\/?page_id=177"},"modified":"2026-01-26T17:22:54","modified_gmt":"2026-01-26T16:22:54","slug":"faestning-omkring-soenderborg","status":"publish","type":"page","link":"https:\/\/forsvarogforter.dk\/index.php\/faestning-omkring-soenderborg\/","title":{"rendered":"F\u00e6stning omkring S\u00f8nderborg"},"content":{"rendered":"\r\n<p class=\"wp-block-paragraph\">Kort tid efter at de danske skanser ved Dybb\u00f8l var blevet indtaget i 1864, gik preusserne i gang med at sikre omr\u00e5det omkring <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">S\u00f8nderborg<\/span><\/span>. Nedbrydningen af de danske stillinger begyndte straks, og hele 800 preussiske pionerer blev sat ind for at fjerne skanserne og forberede omr\u00e5det til nye bef\u00e6stninger.<\/p>\r\n\r\n\r\n\r\n<div id=\"attachment_25619\" style=\"width: 189px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Dybboel-Preussisk-Fort-X-overblik.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-25619\" class=\"size-medium wp-image-25619\" src=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Dybboel-Preussisk-Fort-X-overblik-189x300.jpg\" alt=\"Luftfoto af Preussisk Fort X (Dansk skanse V og VI)\" width=\"189\" height=\"300\" srcset=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Dybboel-Preussisk-Fort-X-overblik-189x300.jpg 189w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Dybboel-Preussisk-Fort-X-overblik.jpg 381w\" sizes=\"auto, (max-width: 189px) 100vw, 189px\" \/><\/a><p id=\"caption-attachment-25619\" class=\"wp-caption-text\">Preussisk Fort X<\/p><\/div>\r\n<h3 data-start=\"648\" data-end=\"1042\">En midlertidig f\u00e6stning<\/h3>\r\n<p class=\"wp-block-paragraph\" data-start=\"648\" data-end=\"1042\">Allerede den 1. juli 1864 blev det besluttet at bef\u00e6ste S\u00f8nderborg som en midlertidig <em data-start=\"734\" data-end=\"750\">Festung Klasse<\/em> \u2013 et anl\u00e6g af feltbef\u00e6stningskarakter. Arbejdet tog sin begyndelse med anl\u00e6ggelsen af Fort X, en stor skanse, der d\u00e6kkede et omfattende omr\u00e5de og blandt andet omfattede de tidligere danske lynetter V og skanse VI. En lynette var \u00e5ben mod bagsiden, mens en skanse var et lukket forsvarsanl\u00e6g.<\/p>\r\n<p data-start=\"1044\" data-end=\"1312\">Den danske brohovedskanse kunne ikke umiddelbart ombygges, da danske styrker fortsat stod p\u00e5 den modsatte side af <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Alssund<\/span><\/span>. I stedet blev skansen midlertidigt \u00f8delagt ved spr\u00e6ngning med ladninger af sortkrudt p\u00e5 op til 50 kg ad gangen.<\/p>\r\n\r\n\r\n\r\n<h5 class=\"wp-block-heading\">\u00a0<\/h5>\r\n<h3 class=\"wp-block-heading\">Den Preussiske f\u00e6stning<\/h3>\r\n\r\n\r\n\r\n<div id=\"attachment_24172\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/12\/Hoejsoeflaade.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-24172\" class=\"wp-image-24172 size-medium\" title=\"Den tyske h\u00f8js\u00f8fl\u00e5de\" src=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/12\/Hoejsoeflaade-300x168.jpg\" alt=\"Den tyske h\u00f8js\u00f8fl\u00e5de 1914\" width=\"300\" height=\"168\" srcset=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/12\/Hoejsoeflaade-300x168.jpg 300w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/12\/Hoejsoeflaade.jpg 680w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-24172\" class=\"wp-caption-text\">Den tyske h\u00f8js\u00f8fl\u00e5de<\/p><\/div>\r\n<p class=\"wp-block-paragraph\">I september 1865 traf preusserne beslutning om at opf\u00f8re en permanent f\u00e6stning: <em data-start=\"1435\" data-end=\"1462\">Festung Sonderburg-D\u00fcppel<\/em>. Et af form\u00e5lene var at kunne anvende Alssund som fl\u00e5debase. F\u00e6stningen indgik i de langsigtede strategiske planer om at opbygge en st\u00e6rk tysk h\u00f8js\u00f8fl\u00e5de, som p\u00e5 sigt skulle kunne udfordre Storbritanniens fl\u00e5dedominans. P\u00e5 dette tidspunkt var planerne baseret p\u00e5 fl\u00e5debaser i Wilhelmshaven, Kiel og S\u00f8nderborg.<br \/>Opf\u00f8relsen begyndte allerede i efter\u00e5ret 1865.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Tabte planer og kendte fakta<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\" data-start=\"1857\" data-end=\"2178\">Planer, kort og detaljerede beskrivelser af anl\u00e6gsr\u00e6kkef\u00f8lgen gik desv\u00e6rre tabt under Anden Verdenskrig. Viden om f\u00e6stningen bygger derfor i dag p\u00e5 sammenligninger med samtidige anl\u00e6g og sekund\u00e6re kilder. Det vides dog, at Fort X var det f\u00f8rste fort, der blev opf\u00f8rt, mens det sidste anl\u00e6g var Fort Herwarth omkring 1870.<\/p>\r\n<p data-start=\"2180\" data-end=\"2377\">Preusserne var s\u00e6rligt stolte af Fort X, som ofte blev vist frem for bes\u00f8gende. Fortets st\u00f8rrelse og udformning havde ogs\u00e5 en tydelig psykologisk effekt og skulle virke imponerende \u2013 og skr\u00e6mmende.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">F\u00e6stningens opbygning<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">P\u00e5 Sundeved-siden blev der opf\u00f8rte Preusserne tre forter: Fort IX, Fort X og Fort XI, der delvist l\u00e5 oven p\u00e5 tidligere danske skanser. Senere blev Fort XII anlagt l\u00e6ngst mod syd ved kysten, hvor den danske tilbagetrukne linje havde m\u00f8dt havet. Dette fort var prim\u00e6rt rettet mod m\u00e5l til s\u00f8s.<\/p>\r\n\r\n\r\n\r\n<div id=\"attachment_24961\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-1871.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-24961\" class=\"size-medium wp-image-24961\" src=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-1871-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-1871-300x200.jpg 300w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-1871-768x512.jpg 768w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-1871-750x500.jpg 750w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-1871.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-24961\" class=\"wp-caption-text\">F\u00e6stningen S\u00f8nderborg 1871<\/p><\/div>\r\n<p>Ved pontonbroens brof\u00e6ste l\u00e5 Brohovedskansen, anlagt p\u00e5 den tidligere danske Nordre Brohovedskanse. Mellem denne og fort-r\u00e6kken fandtes mindre skanser, som havde til opgave at d\u00e6kke mellemrummene mellem de store forter p\u00e5 Dybb\u00f8l Bjerg.<\/p>\r\n\r\n\r\n\r\n<h3>Nye skanser (forter) blev anlagt<\/h3>\r\n<p class=\"wp-block-paragraph\">P\u00e5 Als-siden blev der anlagt fem skanser i en halvcirkel omkring S\u00f8nderborg. De blev nummereret I til V fra nord mod syd og forbundet af en sammenh\u00e6ngende enceinte, der l\u00f8b fra S\u00f8nderborg Bugt ved slottet og rundt om byen mod Alssund.<\/p>\r\n<h4>\u00a0<\/h4>\r\n<style type=\"text\/css\">\n#foogallery-gallery-26310 .fg-image { width: 150px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-carousel foogallery-lightbox-foogallery fg-carousel-hide-nav-arrows fg-carousel-hide-pagination fg-carousel-hide-progress-bar fg-carousel fg-ready fg-light fg-border-thin fg-round-small fg-shadow-medium fg-loading-default fg-loaded-fade-in fg-hover-semi-zoomed fg-hover-fade fg-hover-circle-plus2\" id=\"foogallery-gallery-26310\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true,&quot;template&quot;:{&quot;maxItems&quot;:3,&quot;scale&quot;:0.12,&quot;gutter&quot;:{&quot;min&quot;:-40,&quot;max&quot;:-20,&quot;unit&quot;:&quot;%&quot;},&quot;autoplay&quot;:{&quot;time&quot;:2,&quot;interaction&quot;:&quot;pause&quot;},&quot;centerOnClick&quot;:true}}\" data-foogallery-lightbox=\"{&quot;thumbs&quot;:&quot;bottom&quot;,&quot;thumbsCaptions&quot;:false,&quot;thumbsBestFit&quot;:false,&quot;thumbsSmall&quot;:false,&quot;thumbsCaptionsAlign&quot;:&quot;default&quot;,&quot;info&quot;:&quot;bottom&quot;,&quot;infoVisible&quot;:true,&quot;infoOverlay&quot;:true,&quot;infoAlign&quot;:&quot;default&quot;,&quot;transition&quot;:&quot;fade&quot;,&quot;hoverButtons&quot;:false,&quot;fitMedia&quot;:false,&quot;noScrollbars&quot;:true,&quot;preserveButtonSpace&quot;:true,&quot;buttons&quot;:{&quot;fullscreen&quot;:true,&quot;info&quot;:true,&quot;thumbs&quot;:false},&quot;video&quot;:{&quot;autoPlay&quot;:true}}\" style=\"--fg-title-line-clamp: 1; --fg-description-line-clamp: 2;\" >\n\t<button type=\"button\" class=\"fg-carousel-prev\" title=\"Previous\"><\/button>\n\t<div class=\"fg-carousel-inner\">\n\t\t<div class=\"fg-carousel-center\"><\/div>\n\t\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/08\/Brohovedskanse-1.jpg\" data-caption-title=\"Brohovedskanse\" data-caption-desc=\"Fra Luften\" data-attachment-id=\"440\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" alt=\"Brohovedskanse ved Dybb\u00f8l 1864\" title=\"Brohovedskanse\" width=\"150\" height=\"175\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/cache\/2024\/08\/Brohovedskanse-1\/1983163938.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22175%22%20viewBox%3D%220%200%20150%20175%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Brohovedskanse<\/div><div class=\"fg-caption-desc\">Fra Luften<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/08\/Skanse_VI_2013-1.jpg\" data-caption-title=\"Preussisk skanse VI\" data-caption-desc=\"Luftfoto\" data-attachment-id=\"5491\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" alt=\"Preussisk skanse VI fra luften\" title=\"Preussisk skanse VI\" width=\"150\" height=\"175\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/cache\/2024\/08\/Skanse_VI_2013-1\/233343666.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22175%22%20viewBox%3D%220%200%20150%20175%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Preussisk skanse VI<\/div><div class=\"fg-caption-desc\">Luftfoto<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Preussisk-Fort-VII-luft.jpg\" data-caption-title=\"Preussisk Fort VII\" data-caption-desc=\"Fra luften\" data-attachment-id=\"25549\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" alt=\"Preussisk Fort VII fra luften\" title=\"Preussisk Fort VII\" width=\"150\" height=\"175\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/cache\/2025\/01\/Preussisk-Fort-VII-luft\/639543888.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22175%22%20viewBox%3D%220%200%20150%20175%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Preussisk Fort VII<\/div><div class=\"fg-caption-desc\">Fra luften<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Dybboel-Preussisk-Fort-IX.jpg\" data-caption-title=\"Preussisk Fort IX\" data-caption-desc=\"Fra luften\" data-attachment-id=\"25635\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" alt=\"Preussisk Fort IX (dansk skanse III) p\u00e5 Dybb\u00f8l Banke\" title=\"Preussisk Fort IX\" width=\"150\" height=\"175\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/cache\/2025\/01\/Dybboel-Preussisk-Fort-IX\/1542854243.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22175%22%20viewBox%3D%220%200%20150%20175%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Preussisk Fort IX<\/div><div class=\"fg-caption-desc\">Fra luften<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Dybboel-Preussisk-Fort-X-overblik.jpg\" data-caption-title=\"Preussisk Fort X\" data-caption-desc=\"Luftfoto\" data-attachment-id=\"25619\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" alt=\"Luftfoto af Preussisk Fort X (Dansk skanse V og VI)\" title=\"Preussisk Fort X\" width=\"150\" height=\"175\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/cache\/2025\/01\/Dybboel-Preussisk-Fort-X-overblik\/589366883.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22175%22%20viewBox%3D%220%200%20150%20175%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Preussisk Fort X<\/div><div class=\"fg-caption-desc\">Luftfoto<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/08\/Fort_XI_DK-2.jpg\" data-caption-title=\"Preussisk Fort XI\" data-caption-desc=\"Fra luften\" data-attachment-id=\"14107\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" alt=\"Preussisk Fort XI (Dansk skanse IX) Dybb\u00f8l\" title=\"Preussisk Fort XI\" width=\"150\" height=\"175\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/cache\/2024\/08\/Fort_XI_DK-2\/1099624396.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22175%22%20viewBox%3D%220%200%20150%20175%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Preussisk Fort XI<\/div><div class=\"fg-caption-desc\">Fra luften<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/08\/Fort_XII-2.jpg\" data-caption-title=\"Preussisk Fort XII\" data-caption-desc=\"Fra Luften\" data-attachment-id=\"14113\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" alt=\"Preussisk Fort XII (Dansk skanse X) i Festung Sonderburg-D\u00fcppel\" title=\"Preussisk Fort XII\" width=\"150\" height=\"175\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/cache\/2024\/08\/Fort_XII-2\/1581082193.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22150%22%20height%3D%22175%22%20viewBox%3D%220%200%20150%20175%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Preussisk Fort XII<\/div><div class=\"fg-caption-desc\">Fra Luften<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div>\t<\/div>\n\t<div class=\"fg-carousel-bottom\"><\/div>\n\t<div class=\"fg-carousel-progress\"><\/div>\n\t<button type=\"button\" class=\"fg-carousel-next\" title=\"Next\"><\/button>\n<\/div>\r\n<h3>Inspiration og senere udbygning<\/h3>\r\n<p>Den Preussiske f\u00e6stning omkring S\u00f8nderborg, specielt Dybb\u00f8l, var ikke helt ulig et dansk udkast fra 1861-62. Her overvejede man\u00a0 en fortr\u00e6kke med 3 murede forter \u00f8verst p\u00e5 Dybb\u00f8l Bjerg. Forslaget blev sparet v\u00e6k til fordel for Dannevirke<\/p>\r\n<h3>Fort Herwarth<\/h3>\r\n\r\n\r\n\r\n<figure class=\"wp-block-gallery has-nested-images columns-7 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\r\n<p class=\"wp-block-image\"><span style=\"font-size: 16px;\">I begyndelsen af 1870\u2019erne blev bef\u00e6stningen forst\u00e6rket med Fort Herwarth nord for S\u00f8nderborg. Fortet blev opkaldt efter feltmarskal <\/span><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Eberhard Herwarth von Bittenfeld<\/span><\/span><span style=\"font-size: 16px;\">, der havde ledet angrebet p\u00e5 Als den 29. juni 1864. Fortet blev nedlagt i 1884, men genopstod senere ved Kiel og var i brug helt ind i den kolde krig. Det eksisterer stadig, men er ikke l\u00e6ngere aktivt.<\/span><\/p>\r\n<\/figure>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<div id=\"attachment_24962\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-24962\" class=\"size-medium wp-image-24962\" src=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-300x219.jpg\" alt=\"\" width=\"300\" height=\"219\" srcset=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-300x219.jpg 300w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-1024x746.jpg 1024w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-768x559.jpg 768w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel-750x546.jpg 750w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Festung-Sonderburg-Dyppel.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-24962\" class=\"wp-caption-text\">Bef\u00e6stning S\u00f8nderborg<\/p><\/div>\r\n<p class=\"wp-block-paragraph\">Efter den fransk-tyske krig og med muligheden for at bef\u00e6ste Kiel som den f\u00f8rende marinebase i \u00d8sters\u00f8en svandt S\u00f8nderborgs betydning som st\u00f8ttepunkt og Festung Sonderburg-Dyppel blev nedlagt. Endvidere var Kaiser Wilhelm Kanalen (Kielerkanal), der sikrede mulighed for at sejle fra \u00d8sters\u00f8en til Nords\u00f8en, blevet bygget.<br \/>F\u00e6stningen blev opgivet i 1881 og sl\u00f8jfet endeligt i 1884.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">De preussiske skanser I-V er ryddet og bebygget og de sidste spor af Fort Herwarth forsvandt mellem 1932 og 1945.\u00a0<\/p>\r\n<h3>Kasernen<\/h3>\r\n<p>Byens tidligere kaserne, der i en lang \u00e5rr\u00e6kke fungerede som sergentskole for den danske h\u00e6r, var oprindeligt tysk marine-kaserne.<br \/>Den er bygget i 1907 som artilleri-skydeskole til fl\u00e5den.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n<div id=\"attachment_6909\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/08\/Soenderborg-Kaserne.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6909\" class=\"wp-image-6909 size-medium\" title=\"Kasernen i S\u00f8nderborg \" src=\"http:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/08\/Soenderborg-Kaserne-300x163.jpg\" alt=\"Den gamle tyske marinekaserne i S\u00f8ndeborg\" width=\"300\" height=\"163\" srcset=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/08\/Soenderborg-Kaserne-300x163.jpg 300w, https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2024\/08\/Soenderborg-Kaserne.jpg 380w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-6909\" class=\"wp-caption-text\">Kasernen i S\u00f8nderborg<\/p><\/div>\r\n<p class=\"wp-block-paragraph\">\r\n\r\n<\/p>\r\n<p class=\"wp-block-paragraph\">Der skulle oprindeligt have v\u00e6ret bygget tre fl\u00f8je, men den tredje blev opgivet hvilket giver det eksisterende kasernekompleks en lidt disharmonisk arkitektur. Spiret skulle have dannet centrum for bygningskomplekset.<br \/>Kasernen er i dag centrum for mange af byens foreninger samt hotel.<\/p>\r\n\r\n\r\n\r\n<h5><a href=\"https:\/\/forsvarogforter.dk\/index.php\/skanser-og-forter-paa-dybboel\/\" target=\"_blank\" rel=\"noopener\">Oversigt over de danske skanser<\/a><\/h5>\r\n","protected":false},"excerpt":{"rendered":"<p>Kort tid efter at de danske skanser ved Dybb\u00f8l var blevet indtaget i 1864, gik preusserne i gang med at sikre omr\u00e5det omkring S\u00f8nderborg. Nedbrydningen af de danske stillinger begyndte straks, og hele 800 preussiske pionerer blev sat ind for at fjerne skanserne og forberede omr\u00e5det til nye bef\u00e6stninger. En midlertidig f\u00e6stning Allerede den 1. &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/forsvarogforter.dk\/index.php\/faestning-omkring-soenderborg\/\">L\u00e6s mere<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-177","page","type-page","status-publish","hentry","nodate","item-wrap"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>F\u00e6stning omkring S\u00f8nderborg - Forsvar og Forter i Danmark<\/title>\n<meta name=\"description\" content=\"Kort efter skanserne var indtaget, p\u00e5begyndte Preusserne anl\u00e6g af en f\u00e6stning omkring\u00a0 S\u00f8nderborg. 800 mand nedbr\u00f8d de danske skanser\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/forsvarogforter.dk\/index.php\/faestning-omkring-soenderborg\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"F\u00e6stning omkring S\u00f8nderborg - Forsvar og Forter i Danmark\" \/>\n<meta property=\"og:description\" content=\"Kort efter skanserne var indtaget, p\u00e5begyndte Preusserne anl\u00e6g af en f\u00e6stning omkring\u00a0 S\u00f8nderborg. 800 mand nedbr\u00f8d de danske skanser\" \/>\n<meta property=\"og:url\" content=\"https:\/\/forsvarogforter.dk\/index.php\/faestning-omkring-soenderborg\/\" \/>\n<meta property=\"og:site_name\" content=\"Forsvar og Forter i Danmark\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-26T16:22:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/forsvarogforter.dk\/wp-content\/uploads\/2025\/01\/Dybboel-Preussisk-Fort-X-overblik.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"381\" \/>\n\t<meta property=\"og:image:height\" content=\"605\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimeret l\u00e6setid\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/forsvarogforter.dk\/index.php\/faestning-omkring-soenderborg\/\",\"url\":\"https:\/\/forsvarogforter.dk\/index.php\/faestning-omkring-soenderborg\/\",\"name\":\"F\u00e6stning omkring S\u00f8nderborg - 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