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{{Refimprove|date=July 2013}}
] ]
The '''fortress of Ulm''' (''Bundesfestung Ulm'') was one of five ] of the ] around the cities of ] and ]. With its 9&nbsp;km polygonal main ] Ulm had the biggest fortress in Germany in the 19th century and it's still one of the biggest in Europe. The '''fortress of Ulm''' (''Bundesfestung Ulm'') was one of five ] of the ] around the cities of ] and ]. With its 9&nbsp;km polygonal main ] Ulm had the biggest fortress in Germany and Europe in the 19th century and it is still one of the biggest in Europe.<ref>{{cite web | url=https://tourismus.ulm.de/de/entdecken/sehen-und-erleben/sehenswuerdigkeiten/bundesfestung/#:~:text=von%2024.125%20m%C2%B2.-,Am%20Rande%20der%20Innenstadt%2C%20an%20der%20Donau%2C%20in%20den%20Gr%C3%BCnanlagen,Jahrhundert | title=Bundesfestung Ulm/Neu-Ulm }}</ref><ref>{{Cite book |last=Palaoro |first=Simon |url=https://books.google.com/books?id=ddjOPwAACAAJ |title=City and Fortress: A Short History of the Bundesfestung Ulm |date=2009 |publisher=Klemm & Oelschläger |isbn=978-3-932577-88-8 |language=en}}</ref>


After the final defeat of ] in 1815 the victorious powers agreed to defend the states from the inside. The fortresses were one of the few realised projects of the confederation. The fortress Ulm was planned by the Prussian construction manager ] and built under his supervision between 1842 and 1859. After the final defeat of ] in 1815, the victorious powers agreed to defend the states from the inside. The fortresses were one of the few realised projects of the confederation. The fortress Ulm was planned by the Prussian construction manager ] and built under his supervision between 1842 and 1859.<ref>{{Cite book |last1=Kaufmann |first1=J. E. |url=https://books.google.com/books?id=xQJtBQAAQBAJ&dq=fortress+of+Ulm&pg=PA11 |title=The Forts and Fortifications of Europe 1815–1945: The Central States: Germany, Austria-Hungry and Czechoslovakia |last2=Kaufmann |first2=H. W. |date=2014-07-02 |publisher=Pen and Sword |isbn=978-1-84884-806-1 |pages=11 |language=en}}</ref>


In peacetimes the fortress should hold 5,000 men of the federal army, in wartimes up to 20,000 soldiers. A plan to expand the fortress to hold 100,000 men was never realised. The building costs were valued at 16,5 mio. guilders. In peacetimes the fortress should hold 5,000 men of the federal army, in wartimes up to 20,000 soldiers. A plan to expand the fortress to hold 100,000 men was never realised. The building costs were valued at 16,5 mio. guilders.
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The fortress is a closed, polygonal wall system around the cities of Ulm in the ] and Neu-Ulm in the ]. In some distance detached works were added. The at this time first stone bridge across the Danube laid between both cities inside of the fortress. The next stone bridge was in ]. The fortress is a closed, polygonal wall system around the cities of Ulm in the ] and Neu-Ulm in the ]. In some distance detached works were added. The at this time first stone bridge across the Danube laid between both cities inside of the fortress. The next stone bridge was in ].


For the first time the bastion system was given up and replaced by a polygonal system with detached works, which is called Neupreußische Manier ''(New Prussian Fortress System)'' or Neudeutsche Manier ''(New German Fortress System)''. The later constructed works at the upper Eselsberg were built as so-called "Biehler-Forts". For the first time the bastion system was given up and replaced by a polygonal system with detached works, which is called Neupreußische Manier ''(])'' or Neudeutsche Manier ''(New German Fortress System)''. The later constructed works at the upper Eselsberg were built as so-called "Biehler-Forts".


== The works == == List of works ==
=== Ulm === === Ulm ===
==== City circumvallation ==== ==== City circumvallation ====
{| class="wikitable" {| class="wikitable"
|- |-
! Work No. !! Name !! built !! Today's shape ! Work No. !! Name !! Built !! Today's shape
|- |-
| I || Obere Donaubastion || 1843–55 || Reduit preserved, ramparts demolished in 1914 | I || Obere Donaubastion || 1843–55 || Reduit preserved, ramparts demolished in 1914
Line 21: Line 22:
| II || Curtain wall with Ehinger Tor || 1843–55 || Inner Gate Ehingen and parts of the middle gate preserved, all other parts were demolished in 1903–04 | II || Curtain wall with Ehinger Tor || 1843–55 || Inner Gate Ehingen and parts of the middle gate preserved, all other parts were demolished in 1903–04
|- |-
| III || Ravelin before Ehinger Tor || 1843–55 || 1903–04 completely levelled | III || Ravelin before Ehinger Tor || 1843–55 || Completely levelled 1903–04
|- |-
| IV || Middle Bastion || 1843–55 || Reduit preserved, remainder demolished in 1903–04 | IV || Middle Bastion || 1843–55 || Reduit preserved, remainder demolished in 1903–04
|- |-
| V || Blau flèche || 1843–55 || 1903–04 completely levelled | V || Blau flèche || 1843–55 || Completely levelled 1903–04
|- |-
| VI || Curtain wall with Blaubeurer Tor || 1843–55 || Inner gate and 100 m of the curtain wall preserved, all other parts were demolished in 1903/04 | VI || Curtain wall with Blaubeurer Tor || 1843–55 || Inner gate and 100 m of the curtain wall preserved, all other parts were demolished in 1903/04
|- |-
| VII || Ravelin before Blaubeurer Tor || 1843–55 || 1903–04 completely levelled | VII || Ravelin before Blaubeurer Tor || 1843–55 || Completely levelled 1903–04
|- |-
| VIII || Curtain wall to the Kienlesberg || 1843–55 || 1903–04 completely levelled | VIII || Curtain wall to the Kienlesberg || 1843–55 || Completely levelled 1903–04
|- |-
| IX || Counterguard Kienlesberg || 1843–52 || Part of the Gate Ruhetal preserved, all other parts were demolished in 1903–04 | IX || Counterguard Kienlesberg || 1843–52 || Part of the Gate Ruhetal preserved, all other parts were demolished in 1903–04
|- |-
| X || Kienlesbergbastion || 1843–52 || nearly completely preserved | X || Kienlesbergbastion || 1843–52 || Nearly completely preserved
|- |-
| XI || West mountain front || 1843–52 || nearly completely preserved | XI || West mountain front || 1843–52 || Nearly completely preserved
|- |-
| XII || Wilhelmsburg || 1842–48 || completely preserved | XII || Wilhelmsburg || 1842–48 || Completely preserved
|- |-
| XIII || Left feeder line || 1852–57 || completely preserved | XIII || Left feeder line || 1852–57 || Completely preserved
|- |-
| XIV || Left redoubt || 1852–57 || completely preserved | XIV || Left redoubt || 1852–57 || Completely preserved
|- |-
| XV || Curtain wall between the redoubts || 1852–57 || completely preserved | XV || Curtain wall between the redoubts || 1852–57 || Completely preserved
|- |-
| XVI || Right redoubt || 1852–57 || completely preserved | XVI || Right redoubt || 1852–57 || Completely preserved
|- |-
| XVII || Right feeder line || 1852–57 || completely preserved | XVII || Right feeder line || 1852–57 || Completely preserved
|- |-
| XVIII || East mountain front || 1843–58 || nearly completely preserved | XVIII || East mountain front || 1843–58 || Nearly completely preserved
|- |-
| XIX || Obere Gaisenbergbastion || 1843–58 || nearly completely preserved, but right side was demolished in 1904 | XIX || Obere Gaisenbergbastion || 1843–58 || Nearly completely preserved, but right side was demolished in 1904
|- |-
| XX || Curtain wall || 1843–58 || only the caponniere is preserved, all other parts were demolished in 1916 | XX || Curtain wall || 1843–58 || Only the caponniere is preserved, all other parts were demolished in 1916
|- |-
| XXI || Untere Gaisenbergbastion || 1843–58 || just the double caponniere and parts of the escarped are preserved, all other parts were demolished in 1962 | XXI || Untere Gaisenbergbastion || 1843–58 || Just the double caponniere and parts of the escarped are preserved, all other parts were demolished in 1962
|- |-
| XXII || Curtain Wall to the Untere Donaubastion with Stuttgarter Tor and Friedrichsautor || 1845–55 || only the glacis is preserved, all other parts were demolished in 1903–04 | XXII || Curtain Wall to the Untere Donaubastion with Stuttgarter Tor and Friedrichsautor || 1845–55 || Only the glacis is preserved, all other parts were demolished in 1903–04
|- |-
| XXIII || Counterguard Untere Donaubastion || 1845–55 || completely levelled | XXIII || Counterguard Untere Donaubastion || 1845–55 || Completely levelled
|- |-
| XXIV || Untere Donaubastion || 1845–55 || Reduit preserved, all other parts were demolished | XXIV || Untere Donaubastion || 1845–55 || Reduit preserved, all other parts were demolished
|- |-
| XXV || Oberer Donauturm || 1845–55 || completely preserved | XXV || Oberer Donauturm || 1845–55 || Completely preserved
|- |-
| XXVI || Obere Stadtkehle with Ländetor || 1845–55 || partially preserved | XXVI || Obere Stadtkehle with Ländetor || 1845–55 || Partially preserved
|- |-
| XXVII || Untere Stadtkehle || 1843–55 || partially preserved | XXVII || Untere Stadtkehle || 1843–55 || Partially preserved
|- |-
| XXVIII || Unterer Donauturm || 1843–55 || completely preserved | XXVIII || Unterer Donauturm || 1843–55 || Completely preserved
|} |}


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{| class="wikitable" {| class="wikitable"
|- |-
! Work No. !! Name !! built !! Today's shape ! Work No. !! Name !! Built !! Today's shape
|- |-
| XXIX || Unterer Kuhberg || 1846–58 || nearly completely preserved, area built-up | XXIX || Unterer Kuhberg || 1846–58 || Nearly completely preserved, area built-up
|- |-
| XXX || Horn work || 1846–58 || completely preserved | XXX || Horn work || 1846–58 || Completely preserved
|- |-
| XXXI || Mittlerer Kuhberg || 1855–57 || ruined in 1944 by an explosion caused by a supposed blind shell, ruins demolished in 1962. | XXXI || Mittlerer Kuhberg || 1855–57 || Ruined in 1944 by an explosion caused by a supposed blind shell, ruins demolished in 1962.
|- |-
| XXXII || Oberer Kuhberg<sup>1</sup> || 1848–57 || completely preserved | XXXII || ]<sup>1</sup> || 1848–57 || Completely preserved
|- |-
| XXXIII || Söflinger Turm || 1855–56 || preserved, but ruinous | XXXIII || Söflinger Turm || 1855–56 || Preserved, but ruinous
|- |-
| XXXIV || Unterer Eselsberg || 1848–56 || completely preserved | XXXIV || Unterer Eselsberg || 1848–56 || Completely preserved
|- |-
| XXXV<sup>2</sup> || Oberer Eselsberg Subwork || 1883–87 || completely preserved | XXXV<sup>2</sup> || Oberer Eselsberg Subwork || 1883–87 || Completely preserved
|- |-
| XXXVI<sup>3</sup> || Lehrer Turm || 1848–50 || demolished in 1876–78 | XXXVI<sup>3</sup> || Lehrer Turm || 1848–50 || Demolished in 1876–78
|- |-
| XXXVI || Oberer Eselsberg Main work || 1883-87 || only parts of it are preserved, most of the fort was demolished in 1971. | XXXVI || Oberer Eselsberg Main work || 1883–87 || Only parts of it are preserved, most of the fort was demolished in 1971.
|- |-
| XXXVII || Prittwitz (first named Avancé) || 1847-54 || completely preserved | XXXVII || Prittwitz (first named Avancé) || 1847–54 || Completely preserved
|- |-
| XXXVIII || Örlinger Turm || 1850–52 || completely preserved | XXXVIII || Örlinger Turm || 1850–52 || Completely preserved
|- |-
| XXXIX || Albeck || 1846–59 || preserved, but ruinous | XXXIX || Albeck || 1846–59 || Preserved, but ruinous
|- |-
| XL || Safranberg || 1855–58 || completely preserved | XL || Safranberg || 1855–58 || Completely preserved
|- |-
| XLI || Friedrichsau || 1852–54 || nearly completely preserved | XLI || Friedrichsau || 1852–54 || Nearly completely preserved
|} |}
<sup>1</sup>) The Fort Oberer Kuhberg was also an early ] between 1933 and 1935. One well-known prisoner was the SPD politician ]. <sup>1</sup>) The ] was also an early ] between 1933 and 1935. One well-known prisoner was the SPD politician ].


<sup>2</sup>) That work no. was planned to be a turret in the Ruhe valley, which wasn't built for financial reasons. <sup>2</sup>) That work no. was planned to be a turret in the Ruhe valley, which was not built for financial reasons.


<sup>3</sup>) The work no. was passed to Fort Oberer Eselsberg Hauptwerk in 1881. <sup>3</sup>) The work no. was passed to Fort Oberer Eselsberg Hauptwerk in 1881.


=== Neu-Ulm === === Neu-Ulm ===

==== City circumvallation ==== ==== City circumvallation ====
{| class="wikitable" {| class="wikitable"
|- |-
! Name !! built !! Today's shape ! Name !! Built !! Today's shape
|- |-
| Half bastion 1 with Augsburger Tor || 1844–54 || train pillbox, parts of the glacis and one flank battery preserved, all other parts were demolished in 1958–60 | Half bastion 1 with Augsburger Tor || 1844–54 || Train pillbox, parts of the glacis and one flank battery preserved, all other parts were demolished in 1958–60
|- |-
| Curtain wall with caponniere 2 || 1844–54 || gradually demolished between 1903 and 1958 | Curtain wall with caponniere 2 || 1844–54 || Gradually demolished between 1903 and 1958
|- |-
| Bastion 3 || 1844–54 || gradually demolished between 1903 and 1958 | Bastion 3 || 1844–54 || Gradually demolished between 1903 and 1958
|- |-
| Curtain wall with caponniere 4 || 1844–54 || demolished before 1945, the caponniere was restored in 2006–08 | Curtain wall with caponniere 4 || 1844–54 || Demolished before 1945, the caponniere was restored in 2006–08
|- |-
| Bastion 5 with war hospital || 1844–54 || nearly completely preserved | Bastion 5 with war hospital || 1844–54 || Nearly completely preserved
|- |-
| Curtain wall with caponniere 6 || 1844–54 || completely preserved | Curtain wall with caponniere 6 || 1844–54 || Completely preserved
|- |-
| Bastion 7 with powder magazine II || 1844–54 || completely preserved | Bastion 7 with powder magazine II || 1844–54 || Completely preserved
|- |-
| Curtain wall with caponniere 8 || 1844–54 || nearly completely preserved | Curtain wall with caponniere 8 || 1844–54 || Nearly completely preserved
|- |-
| Half bastion 9 with Memminger Tor || 1844–54 || nearly completely preserved | Half bastion 9 with Memminger Tor || 1844–54 || Nearly completely preserved
|} |}


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{| class="wikitable" {| class="wikitable"
|- |-
! Name !! built !! Today's shape ! Name !! Built !! Today's shape
|- |-
| 12 Schwaighofen || 1850–53 || nearly completely preserved, but deformed by additional buildings | 12 Schwaighofen || 1850–53 || Nearly completely preserved, but deformed by additional buildings
|- |-
| 13 Ludwigsvorfeste || 1850–53 || completely preserved | 13 Ludwigsvorfeste || 1850–53 || Completely preserved
|- |-
| 14 Illerkanal || 1850–53 || completely preserved | 14 Illerkanal || 1850–53 || Completely preserved
|} |}


The fort 10 (near Offenhausen) and the gun turret 11 on the railroad Ulm – Munich weren't built for cost reasons. The plans for work XLI Friedrichsau had to be changed for this. Work 14 was to be work 15, between 13 and 15 a small fort was planned and later also canceled. The fort Illerkanal was nameless until the completion of the Iller channel in 1906. An additional fort near Pfuhl was planned in the mid-1860s, but cancelled due to the dissolution of the German Confederation. Instead of the fort the infantry base Kapellenberg was built in the 1900s (see below). The fort 10 (near Offenhausen) and the gun turret 11 on the railroad Ulm – Munich were not built for cost reasons. The plans for work XLI Friedrichsau had to be changed for this. Work 14 was to be work 15, between 13 and 15 a small fort was planned and later also canceled. The fort Illerkanal was nameless until the completion of the Iller channel in 1906. An additional fort near Pfuhl was planned in the mid-1860s, but cancelled due to the dissolution of the German Confederation. Instead of the fort the infantry base Kapellenberg was built in the 1900s (see below).


=== Expansion of the fortification between 1881 and 1914 === === Expansion of fortification between 1881 and 1914 ===
As the weapons were improved, the fortress had to be improved too. On the Fort Oberer Kuhberg the front wall and side towers were reduced in height and around many forts infantry fences were installed. Two new forts were built on the Eselsberg (see ]). As the weapons were improved, the fortress had to be improved too. On Fort Oberer Kuhberg, the front wall and side towers were reduced in height, and around many forts, infantry fences were installed. Two new forts were built on the Eselsberg (see ]).


==== 1901–1910 ==== ==== 1901–1910 ====
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{| class="wikitable" {| class="wikitable"
|- |-
! Name !! built !! Location !! Today's shape ! Name !! Built !! Location !! Today's shape
|- |-
| Infantry base Böfingen || 1903–04 || Alfred-Delp-Weg, Böfingen || completely demolished | Infantry base Böfingen || 1903–04 || Alfred-Delp-Weg, Böfingen || Completely demolished
|- |-
| Infantry base Haslach || 1901–02 || Heidenheimer Straße, east of Örlingen || completely demolished | Infantry base Haslach || 1901–02 || Heidenheimer Straße, east of Örlingen || Completely demolished
|- |-
| Infantry base Jungingen east || 1901–02 || east of Albstraße, Jungingen || overbuilt | Infantry base Jungingen east || 1901–02 || east of Albstraße, Jungingen || Overbuilt
|- |-
| Infantry base Jungingen center || 1901–02 || Albstraße / Franzenhauser Weg, Jungingen || completely demolished | Infantry base Jungingen center || 1901–02 || Albstraße / Franzenhauser Weg, Jungingen || Completely demolished
|- |-
| Infantry base Jungingen west || 1901–02 || Stuttgarter Straße, Jungingen || completely demolished | Infantry base Jungingen west || 1901–02 || Stuttgarter Straße, Jungingen || Completely demolished
|- |-
| Infantry base Spitzäcker || 1908–10 || Lerchenfeldstraße, north of Lehr || completely demolished | Infantry base Spitzäcker || 1908–10 || Lerchenfeldstraße, north of Lehr || Completely demolished
|- |-
| Infantry base Lehr || 1905–07 || Tobelstraße, west of Lehr || completely demolished | Infantry base Lehr || 1905–07 || Tobelstraße, west of Lehr || Completely demolished
|- |-
| Infantry base Weinberge || 1901–02 || east of Heilmeyersteige, Eselsberg || completely demolished | Infantry base Weinberge || 1901–02 || east of Heilmeyersteige, Eselsberg || Completely demolished
|- |-
| Infantry base Gleißelstetten || 1901–02 || Hasensteige, Söflingen || completely preserved | Infantry base Gleißelstetten || 1901–02 || Hasensteige, Söflingen || Completely demolished
|- |-
| Infantry base Kapellenberg || 1907–09 || Narzissenweg, Pfuhl || overbuilt | Infantry base Kapellenberg || 1907–09 || Narzissenweg, Pfuhl || Overbuilt
|} |}


==== 1914–1916 ==== ==== 1914–1916 ====
The last major expansion of the frontline took place in the first years of World War I. 93 works were to be built or improved, the majority of them were never actually constructed or completed. The numbering began with the trench 1 between Obertalfingen and Böfingen, went counterclockwise around Ulm and Neu-Ulm and ended with trench 78 on the other side of the Danube. Between the bases 21 and 22 was the trench 21a. In the south an own front line was to be installed, consisting of the bases 3c near Ludwigsfeld and 2b south of Wiblingen, and the trenches 2a, 3a, 3a II, 4a, 4a II, 1b, 1b II, 3b, 4b, 1c and 2c. The last major expansion of the front line took place in the first years of World War I. 93 works were to be built or improved, the majority of them were never actually constructed or completed. The numbering began with the trench 1 between Obertalfingen and Böfingen, went counterclockwise around Ulm and Neu-Ulm and ended with trench 78 on the other side of the Danube. Between the bases 21 and 22 was the trench 21a. In the south an own front line was to be installed, consisting of the bases 3c near Ludwigsfeld and 2b south of Wiblingen, and the trenches 2a, 3a, 3a II, 4a, 4a II, 1b, 1b II, 3b, 4b, 1c and 2c.


74 of these works were to be trenches. The works 3, 8, 14, 18, 21, 37, 45, 54, 58, 63, 76, 2b and 3c were to be infantry bases. Only the bases 45 in the Maienwäldle and 58 south of Neu-Ulm are completely preserved. The bases Spitzäcker, Lehr, Weinberge and Kapellenberg and the forts Oberer Eselsberg Hauptwerk and Oberer Eselsberg Nebenwerk were improved and integrated in the numbering system as works 22, 26, 32, 70, 29 and 30 respectively. 74 of these works were to be trenches. The works 3, 8, 14, 18, 21, 37, 45, 54, 58, 63, 76, 2b and 3c were to be infantry bases. Only the bases 45 in the Maienwäldle and 58 south of Neu-Ulm are completely preserved. The bases Spitzäcker, Lehr, Weinberge and Kapellenberg and the forts Oberer Eselsberg Hauptwerk and Oberer Eselsberg Nebenwerk were improved and integrated in the numbering system as works 22, 26, 32, 70, 29 and 30 respectively.


Furthermore 20 artillery rooms, 10 munition rooms, 4 pump stations and 9 so-called "Zwischenraumstreichen", which could cover long gaps between some works, were built behind the front lines. Of them only the pumpstation Buchbrunnen and the Zwischenraumstreiche 6 exist still today. Furthermore 20 artillery rooms, 10 munition rooms, 4 pump stations and 9 so-called "Zwischenraumstreichen", which could cover long gaps between some works, were built behind the front lines. Of them only the pump station Buchbrunnen and the Zwischenraumstreiche 6 exist still today.


=== Infrastructure buildings === === Infrastructure buildings ===
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{| class="wikitable" {| class="wikitable"
|- |-
! Name or function !! built !! Location ! Name or function !! Built !! Location
|- |-
| Fortress construction administration || bought in 1842 || building Reichenauer Hof, Donaustraße, Ulm | Fortress construction administration || Bought in 1842 || Building Reichenauer Hof, Donaustraße, Ulm
|- |-
| Fortress construction yard || 1845–48 || Silcherstraße, Neu-Ulm | Fortress construction yard || 1845–48 || Silcherstraße, Neu-Ulm
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| Chevauxlegers barracks || 1865–67 || Flößerweg / Silcherstraße, Neu-Ulm | Chevauxlegers barracks || 1865–67 || Flößerweg / Silcherstraße, Neu-Ulm
|- |-
| Karl barracks || 1860–63 || between Karlstraße, Zeitblomstraße, Syrlinstraße and Keplerstraße, Ulm | Karl barracks || 1860–63 || Between Karlstraße, Zeitblomstraße, Syrlinstraße and Keplerstraße, Ulm
|- |-
| Kienlesberg barracks || 1865–68 || Kienlesbergstraße, Ulm | Kienlesberg barracks || 1865–68 || Kienlesbergstraße, Ulm
|- |-
| Maximilian barracks || 1860–67 || between Maximilianstraße, Kasernstraße, Bahnhofstraße and Ludwigstraße, Neu-Ulm | Maximilian barracks || 1860–67 || Between Maximilianstraße, Kasernstraße, Bahnhofstraße and Ludwigstraße, Neu-Ulm
|- |-
| Schiller barracks || 1882–91 || between Böblinger Straße and Söflinger Straße, Ulm | Schiller barracks || 1882–91 || Between Böblinger Straße and Söflinger Straße, Ulm
|- |-
| Sedan barracks || 1909–16 || between Sedanstraße and Wörthstraße, Ulm | Sedan barracks || 1909–16 || Between Sedanstraße and Wörthstraße, Ulm
|- |-
| Hospital Gaisenberg || 1862–66 || Eythstraße / Prittwitzstraße, Ulm | Hospital Gaisenberg || 1862–66 || Eythstraße / Prittwitzstraße, Ulm
Line 221: Line 223:
| Hospital Neu-Ulm || 1862–66 || Krankenhausstraße, Neu-Ulm | Hospital Neu-Ulm || 1862–66 || Krankenhausstraße, Neu-Ulm
|- |-
| Imperial fortification || 1876–79 || between Zeitblomstraße and Schaffnerstraße, Ulm | Imperial fortification || 1876–79 || Between Zeitblomstraße and Schaffnerstraße, Ulm
|- |-
| Military prison || 1889 || Frauenstraße / Holzstraße, Ulm | Military prison || 1889 || Frauenstraße / Holzstraße, Ulm
|- |-
| Civilist prison || around 1890 || Talfinger Straße / Wielandstraße, Ulm | Civilist prison || Around 1890 || Talfinger Straße / Wielandstraße, Ulm
|- |-
| Protestant garrison church || 1908–10 || Frauenstraße, Ulm | Protestant garrison church || 1908–10 || Frauenstraße, Ulm
|- |-
| catholic garrison church || 1902–04 || Frauenstraße / Olgastraße, Ulm | Catholic garrison church || 1902–04 || Frauenstraße / Olgastraße, Ulm
|} |}


Furthermore several officer's messes, powder magazines, artillery depots and the like were erected. Some of the buildings still stand today, but are used differently with exceptions: The civilist prison is still in use today as a place of detention and the churches were opened for the citizen as Pauluskirche (Protestant) and St. Georg (catholic). Furthermore several officer's messes, powder magazines, artillery depots and the like were erected. Some of the buildings still stand today, but are used differently with exceptions: The civilian prison is still in use today as a place of detention and the churches were opened for the citizens as Pauluskirche (Protestant) and St. Georg (catholic).


===Pictures=== == Gallery ==
<gallery> <gallery>
File:Ulm02.jpg|In the Wilhelmsburg File:Ulm02.jpg|In the Wilhelmsburg
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==References== ==References==
{{reflist}} {{reflist}}
{{unreferenced|date=December 2010}}

== External links == == External links ==
{{Commons category|Bundesfestung Ulm}} {{Commons category|Bundesfestung Ulm}}
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{{coord|48|24|43|N|9|58|58|E|region:DE-BW_type:landmark_source:kolossus-dewiki|display=title}} {{coord|48|24|43|N|9|58|58|E|region:DE-BW_type:landmark_source:kolossus-dewiki|display=title}}

{{Castles in Ulm}}
{{Fortresses of the German Confederation}}
{{Authority control}}


] ]
] ]
] ]
] ]
]

Latest revision as of 19:59, 20 November 2024

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Plan of the Bundesfestung Ulm

The fortress of Ulm (Bundesfestung Ulm) was one of five federal fortresses of the German Confederation around the cities of Ulm and Neu-Ulm. With its 9 km polygonal main circumvallation Ulm had the biggest fortress in Germany and Europe in the 19th century and it is still one of the biggest in Europe.

After the final defeat of Napoleon in 1815, the victorious powers agreed to defend the states from the inside. The fortresses were one of the few realised projects of the confederation. The fortress Ulm was planned by the Prussian construction manager Moritz Karl Ernst von Prittwitz und Gaffron and built under his supervision between 1842 and 1859.

In peacetimes the fortress should hold 5,000 men of the federal army, in wartimes up to 20,000 soldiers. A plan to expand the fortress to hold 100,000 men was never realised. The building costs were valued at 16,5 mio. guilders.

The fortress is a closed, polygonal wall system around the cities of Ulm in the Kingdom of Württemberg and Neu-Ulm in the Kingdom of Bavaria. In some distance detached works were added. The at this time first stone bridge across the Danube laid between both cities inside of the fortress. The next stone bridge was in Regensburg.

For the first time the bastion system was given up and replaced by a polygonal system with detached works, which is called Neupreußische Manier (New Prussian Fortress System) or Neudeutsche Manier (New German Fortress System). The later constructed works at the upper Eselsberg were built as so-called "Biehler-Forts".

List of works

Ulm

City circumvallation

Work No. Name Built Today's shape
I Obere Donaubastion 1843–55 Reduit preserved, ramparts demolished in 1914
II Curtain wall with Ehinger Tor 1843–55 Inner Gate Ehingen and parts of the middle gate preserved, all other parts were demolished in 1903–04
III Ravelin before Ehinger Tor 1843–55 Completely levelled 1903–04
IV Middle Bastion 1843–55 Reduit preserved, remainder demolished in 1903–04
V Blau flèche 1843–55 Completely levelled 1903–04
VI Curtain wall with Blaubeurer Tor 1843–55 Inner gate and 100 m of the curtain wall preserved, all other parts were demolished in 1903/04
VII Ravelin before Blaubeurer Tor 1843–55 Completely levelled 1903–04
VIII Curtain wall to the Kienlesberg 1843–55 Completely levelled 1903–04
IX Counterguard Kienlesberg 1843–52 Part of the Gate Ruhetal preserved, all other parts were demolished in 1903–04
X Kienlesbergbastion 1843–52 Nearly completely preserved
XI West mountain front 1843–52 Nearly completely preserved
XII Wilhelmsburg 1842–48 Completely preserved
XIII Left feeder line 1852–57 Completely preserved
XIV Left redoubt 1852–57 Completely preserved
XV Curtain wall between the redoubts 1852–57 Completely preserved
XVI Right redoubt 1852–57 Completely preserved
XVII Right feeder line 1852–57 Completely preserved
XVIII East mountain front 1843–58 Nearly completely preserved
XIX Obere Gaisenbergbastion 1843–58 Nearly completely preserved, but right side was demolished in 1904
XX Curtain wall 1843–58 Only the caponniere is preserved, all other parts were demolished in 1916
XXI Untere Gaisenbergbastion 1843–58 Just the double caponniere and parts of the escarped are preserved, all other parts were demolished in 1962
XXII Curtain Wall to the Untere Donaubastion with Stuttgarter Tor and Friedrichsautor 1845–55 Only the glacis is preserved, all other parts were demolished in 1903–04
XXIII Counterguard Untere Donaubastion 1845–55 Completely levelled
XXIV Untere Donaubastion 1845–55 Reduit preserved, all other parts were demolished
XXV Oberer Donauturm 1845–55 Completely preserved
XXVI Obere Stadtkehle with Ländetor 1845–55 Partially preserved
XXVII Untere Stadtkehle 1843–55 Partially preserved
XXVIII Unterer Donauturm 1843–55 Completely preserved

Forts

Work No. Name Built Today's shape
XXIX Unterer Kuhberg 1846–58 Nearly completely preserved, area built-up
XXX Horn work 1846–58 Completely preserved
XXXI Mittlerer Kuhberg 1855–57 Ruined in 1944 by an explosion caused by a supposed blind shell, ruins demolished in 1962.
XXXII Oberer Kuhberg 1848–57 Completely preserved
XXXIII Söflinger Turm 1855–56 Preserved, but ruinous
XXXIV Unterer Eselsberg 1848–56 Completely preserved
XXXV Oberer Eselsberg Subwork 1883–87 Completely preserved
XXXVI Lehrer Turm 1848–50 Demolished in 1876–78
XXXVI Oberer Eselsberg Main work 1883–87 Only parts of it are preserved, most of the fort was demolished in 1971.
XXXVII Prittwitz (first named Avancé) 1847–54 Completely preserved
XXXVIII Örlinger Turm 1850–52 Completely preserved
XXXIX Albeck 1846–59 Preserved, but ruinous
XL Safranberg 1855–58 Completely preserved
XLI Friedrichsau 1852–54 Nearly completely preserved

) The Fort Oberer Kuhberg was also an early concentration camp between 1933 and 1935. One well-known prisoner was the SPD politician Kurt Schumacher.

) That work no. was planned to be a turret in the Ruhe valley, which was not built for financial reasons.

) The work no. was passed to Fort Oberer Eselsberg Hauptwerk in 1881.

Neu-Ulm

City circumvallation

Name Built Today's shape
Half bastion 1 with Augsburger Tor 1844–54 Train pillbox, parts of the glacis and one flank battery preserved, all other parts were demolished in 1958–60
Curtain wall with caponniere 2 1844–54 Gradually demolished between 1903 and 1958
Bastion 3 1844–54 Gradually demolished between 1903 and 1958
Curtain wall with caponniere 4 1844–54 Demolished before 1945, the caponniere was restored in 2006–08
Bastion 5 with war hospital 1844–54 Nearly completely preserved
Curtain wall with caponniere 6 1844–54 Completely preserved
Bastion 7 with powder magazine II 1844–54 Completely preserved
Curtain wall with caponniere 8 1844–54 Nearly completely preserved
Half bastion 9 with Memminger Tor 1844–54 Nearly completely preserved

Forts

Name Built Today's shape
12 Schwaighofen 1850–53 Nearly completely preserved, but deformed by additional buildings
13 Ludwigsvorfeste 1850–53 Completely preserved
14 Illerkanal 1850–53 Completely preserved

The fort 10 (near Offenhausen) and the gun turret 11 on the railroad Ulm – Munich were not built for cost reasons. The plans for work XLI Friedrichsau had to be changed for this. Work 14 was to be work 15, between 13 and 15 a small fort was planned and later also canceled. The fort Illerkanal was nameless until the completion of the Iller channel in 1906. An additional fort near Pfuhl was planned in the mid-1860s, but cancelled due to the dissolution of the German Confederation. Instead of the fort the infantry base Kapellenberg was built in the 1900s (see below).

Expansion of fortification between 1881 and 1914

As the weapons were improved, the fortress had to be improved too. On Fort Oberer Kuhberg, the front wall and side towers were reduced in height, and around many forts, infantry fences were installed. Two new forts were built on the Eselsberg (see #Forts).

1901–1910

Between 1901 and 1910 several new buildings were constructed to support the fortress. These buildings were (beginning with Böfingen and moving counterclockwise around Ulm):

Name Built Location Today's shape
Infantry base Böfingen 1903–04 Alfred-Delp-Weg, Böfingen Completely demolished
Infantry base Haslach 1901–02 Heidenheimer Straße, east of Örlingen Completely demolished
Infantry base Jungingen east 1901–02 east of Albstraße, Jungingen Overbuilt
Infantry base Jungingen center 1901–02 Albstraße / Franzenhauser Weg, Jungingen Completely demolished
Infantry base Jungingen west 1901–02 Stuttgarter Straße, Jungingen Completely demolished
Infantry base Spitzäcker 1908–10 Lerchenfeldstraße, north of Lehr Completely demolished
Infantry base Lehr 1905–07 Tobelstraße, west of Lehr Completely demolished
Infantry base Weinberge 1901–02 east of Heilmeyersteige, Eselsberg Completely demolished
Infantry base Gleißelstetten 1901–02 Hasensteige, Söflingen Completely demolished
Infantry base Kapellenberg 1907–09 Narzissenweg, Pfuhl Overbuilt

1914–1916

The last major expansion of the front line took place in the first years of World War I. 93 works were to be built or improved, the majority of them were never actually constructed or completed. The numbering began with the trench 1 between Obertalfingen and Böfingen, went counterclockwise around Ulm and Neu-Ulm and ended with trench 78 on the other side of the Danube. Between the bases 21 and 22 was the trench 21a. In the south an own front line was to be installed, consisting of the bases 3c near Ludwigsfeld and 2b south of Wiblingen, and the trenches 2a, 3a, 3a II, 4a, 4a II, 1b, 1b II, 3b, 4b, 1c and 2c.

74 of these works were to be trenches. The works 3, 8, 14, 18, 21, 37, 45, 54, 58, 63, 76, 2b and 3c were to be infantry bases. Only the bases 45 in the Maienwäldle and 58 south of Neu-Ulm are completely preserved. The bases Spitzäcker, Lehr, Weinberge and Kapellenberg and the forts Oberer Eselsberg Hauptwerk and Oberer Eselsberg Nebenwerk were improved and integrated in the numbering system as works 22, 26, 32, 70, 29 and 30 respectively.

Furthermore 20 artillery rooms, 10 munition rooms, 4 pump stations and 9 so-called "Zwischenraumstreichen", which could cover long gaps between some works, were built behind the front lines. Of them only the pump station Buchbrunnen and the Zwischenraumstreiche 6 exist still today.

Infrastructure buildings

In Ulm and Neu-Ulm were several buildings bought or built for the garrisons.

Name or function Built Location
Fortress construction administration Bought in 1842 Building Reichenauer Hof, Donaustraße, Ulm
Fortress construction yard 1845–48 Silcherstraße, Neu-Ulm
Commissariat Ulm 1860–62 Frauenstraße / Karlstraße, Ulm
Commissariat Neu-Ulm 1849–64 Silcherstraße / Krankenhausstraße, Neu-Ulm
Chevauxlegers barracks 1865–67 Flößerweg / Silcherstraße, Neu-Ulm
Karl barracks 1860–63 Between Karlstraße, Zeitblomstraße, Syrlinstraße and Keplerstraße, Ulm
Kienlesberg barracks 1865–68 Kienlesbergstraße, Ulm
Maximilian barracks 1860–67 Between Maximilianstraße, Kasernstraße, Bahnhofstraße and Ludwigstraße, Neu-Ulm
Schiller barracks 1882–91 Between Böblinger Straße and Söflinger Straße, Ulm
Sedan barracks 1909–16 Between Sedanstraße and Wörthstraße, Ulm
Hospital Gaisenberg 1862–66 Eythstraße / Prittwitzstraße, Ulm
Hospital Neu-Ulm 1862–66 Krankenhausstraße, Neu-Ulm
Imperial fortification 1876–79 Between Zeitblomstraße and Schaffnerstraße, Ulm
Military prison 1889 Frauenstraße / Holzstraße, Ulm
Civilist prison Around 1890 Talfinger Straße / Wielandstraße, Ulm
Protestant garrison church 1908–10 Frauenstraße, Ulm
Catholic garrison church 1902–04 Frauenstraße / Olgastraße, Ulm

Furthermore several officer's messes, powder magazines, artillery depots and the like were erected. Some of the buildings still stand today, but are used differently with exceptions: The civilian prison is still in use today as a place of detention and the churches were opened for the citizens as Pauluskirche (Protestant) and St. Georg (catholic).

Gallery

  • In the Wilhelmsburg In the Wilhelmsburg
  • Caponniere 4 in Neu-Ulm Caponniere 4 in Neu-Ulm
  • Obere Donaubastion in Ulm Obere Donaubastion in Ulm
  • West mountain front below the Wilhelmsburg West mountain front below the Wilhelmsburg
  • Base 58 von 1914 south of Neu-Ulm Base 58 von 1914 south of Neu-Ulm
  • In the base 58 In the base 58

References

  1. "Bundesfestung Ulm/Neu-Ulm".
  2. Palaoro, Simon (2009). City and Fortress: A Short History of the Bundesfestung Ulm. Klemm & Oelschläger. ISBN 978-3-932577-88-8.
  3. Kaufmann, J. E.; Kaufmann, H. W. (2014-07-02). The Forts and Fortifications of Europe 1815–1945: The Central States: Germany, Austria-Hungry and Czechoslovakia. Pen and Sword. p. 11. ISBN 978-1-84884-806-1.

External links

48°24′43″N 9°58′58″E / 48.41194°N 9.98278°E / 48.41194; 9.98278

 Baden-Württemberg Castles, Fortresses and Palaces - Ulm
Also see: List of castles in Baden-Württemberg
Fortresses of the German Confederation
Coat of arms of the German Confederation
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