Fortifications of Paris in the 19th and 20th centuries

Vestige of the Thiers Wall
(the poterne des Peupliers)
Fort de Charenton

The fortifications of Paris in the 19th and 20th centuries comprise:

They were built in two stages:

From a military point of view, Paris is a fortified camp situated in a basin. During the 19th century, both Prussian invasions (1814–15 and 1870) saw the bombardment of Paris from the surrounding heights. Fortifications were extended outwards after each invasion as the range of artillery continued to develop, in order to deny the use of the heights to the enemy.

Chronology

Louis XIV

1670 The king demolishes the walls of Charles V and Louis XIII. Paris becomes an open city and remains so for two centuries.

1689 Vauban recommends the enclosure of Paris, with the construction of a second enclosure to include the then-villages of Chaillot, Montmartre and Belleville (located on heights overlooking the city), and two citadels flanking the city to the east and west to delay an enemy's approach.

Louis XVI

Main article: Farmers General Wall

1784 The king orders the construction of the Farmers General Wall, built not as a fortification, but as a means of taxation.

Empire

1814-1815 Paris is occupied twice at the end of the reign of Napoleon I.

First fortification program

Main article: City walls of Paris

1818 Minister of War Laurent de Gouvion-Saint-Cyr creates a commission to "present its views on the best defense system" for Paris.

1820 The commission concludes that Paris must be placed in a state of defense, but proposes no specific project.

1830 Creation of a committee to study fortification which returns to the debate and again concludes that fortification is necessary, without consensus on how this is to be done.

1833 The defense plan for Paris envisages:

1836 Creation of a commission on the defense of the kingdom.

1838 On July 16 a plan of defense is adopted, combining the two options in a show of unanimity.

1840 The Treaty of London excludes France. Adolphe Thiers, considering that the new treaty includes the germ of a new invasion threat, seizes the occasion to commence the construction of the new fortifications. On September 1 General Guillaume Dode de la Brunerie is named director of the fortification program. The appointment and work is publicly announced on September 13.

1841 Over the reservations of the General Council of the Seine, 140 million francs are appropriated for the work, allocated, including 17,970 million francs for land acquisition, 16,608 million francs for earthwork, and 83,356 million francs for masonry.[1] The law authorizing work was promulgated by Louis-Philippe I on April 3, authorizing a continuous wall for both sides of the Seine, known as the Thiers Wall, supported by sixteen detached forts.

1845 Work is completed.

1860. The limits of the city of Paris are extended from the Farmers General Wall to the Thiers Wall, in accordance with the reorganization of the Paris urban fabric planned and executed by Georges Eugène Haussmann.

Franco-Prussian War

July 1870 France declares war on Prussia, July 13.

September 1870 Napoleon III is captured at Sedan and capitulates. A republic is proclaimed and the Prussians move toward Paris. The capital is transformed into a fortified camp. A portion of the Thiers Wall gates are closed, along with canals and rail line entries. Houses are demolished in the designated "zone 'non aedificandi" to clear lines of fire. The Prussians arrive on 19 September and establish a siege, which will last four months.

January 1871 On the 28th the Treaty of Versailles is signed, stipulating that all of the forts forming the perimeter defense of Paris, together with their armaments, be handed over to the German forces. The treaty further stipulates the disarmament of the Thiers Wall.

March 1871 The German army abandons the forts on the left (south) bank of the Seine.

20 September 1871 The German army abandons the forts on the right (north) bank of the Seine.[2]

Second program of fortification

German post card prior to the 1914-1918 war, showing the defenses of Paris
Fort de Villiers, 1878-1880, second ring of the Ile de France

During the 1870 war, the fortifications were relatively ineffective.

1874 On 17 July, a law inspired by the ideas of Séré de Rivières creates new programs for defensive works in the north and east of France, including some intended for the defense of Paris.

1885. The program is completed. 196 forts, 58 smaller works and 278 batteries are in place on the borders and at strategic points within France at an estimated cost of 450 million francs for the works and 229 million francs for their armament.

The removal of the Thiers Wall

1883 On June 11 the municipal council of Paris votes to request the removal of the Thiers Wall, the property's transfer to the city and the end of restrictions on building in its vicinity.

1918 During the war the Thiers Wall proves to be ineffective in the defense of Paris, as the range of German artillery such as the Paris Gun (120 km) renders walls irrelevant.

1919 On 19 April the city purchases the property for 100 million francs from the State of France. The city must purchase or expropriate the associated grounds and must maintain the "zone non aedificandi." Work begins on the demolition of the walls.

1925-1930 The "terretoire zonier" is annexed to the city.

1930 A law is enacted to regulate the methods for compensation of the "zoniers."

The forts

Military doctrine for the employment of the forts

The doctrines for the use of the forts depend on the context of the time. During the 19th century the roads are few. Armies were obligated to move along existing lines of communication in order to maintain their provisioning without resorting to dirt roads in unfavorable seasons. Therefore, a fortification located on an important road would be able to slow or stop a large troop formation. For example the Fort de Charenton was placed to dominate Route Nationale 6, the Paris-Geneva road, and Route Nationale 19, the road to Belfort, as well as the Pont de Charenton on the Marne and the Pont à l’Anglais on the Seine.

In wartime, the fort would fulfill several functions, in the manner of a fortified town.

First ring of forts

The first ring of sixteen detached forts and complementary works, constituting the first line of defense a few kilometers from Paris, and supporting the Thiers Wall encircling Paris.

The sixteen forts

Panorama of the Fort de Romainville, at the beginning of the 20th century
Fort de Noisy

The sixteen forts built around Paris between 1840 and 1845 are shown in the following table.

The order described in the first column describes the forts in order as they appear as one proceeds clockwise around Paris (north-east-south-west). Forts are named for the communities they defended, not necessarily those in which they are located.

Order


 Dir.


 Name Emplacement


 Distance
from the
Farmers General wall
 Distance
from the
Louvre
 Other works


1 N Fort couronne de la Briche Saint-Denis 6900 m 9600 m
2 N Fort de la Double-Couronne Saint-Denis 6850 m 9600 m
3 N/E Fort de l'Est Saint-Denis 5000 m 7900 m
4 N/E Fort d'Aubervilliers Aubervilliers 3875 m 7250 m Works and battery
5 E Fort de Romainville Les Lilas 3500 m 6650 m Lunette + Courtine
6 E Fort de Noisy Romainville 4800 m 8300 m Lunette + Redoubt
7 E Fort de Rosny Rosny-sous-Bois 5750 m 9800 m Lunette
8 S/E Fort de Nogent Fontenay-sous-Bois 5900 m 10300 m Lunette
9 S/E Fort Neuf de Vincennes Vincennes 2800 m 7800 m
10 S/E Fort de Charenton Maisons-Alfort 4000 m 8400 m Rigole
11 S Fort d'Ivry Ivry-sur-Seine 3900 m 7300 m
12 S Fort de Bicêtre Le Kremlin-Bicêtre 2650 m 6100 m
13 S Fort de Montrouge Arcueil 2900 m 5800 m
14 S Fort de Vanves Malakoff[3] 3600 m 6400 m
15 S Fort d'Issy Issy 3900 m 6850 m
16 W Fort Mont-Valérien Suresnes 5250 m 9100 m

Complementary works

Order
 Dir.
 Name
 Emplacement
 Date
1 Digue du Croult Saint-Denis
2 Digue du ru de Montfort, Saint-Denis
3 Batterie des Vertus Aubervilliers
4 Redoute de la Flache Aubervilliers
5 Batterie de Pantin Pantin
6 Redoute de Montreuil Template:Où
7 Redoute de la Boissière Rosny-sous-Bois 1831
8 Redoute de Fontenay-sous-Bois Fontenay-sous-Bois
9 Redoute de Gravelle Paris (bois de Vincennes)
10 Redoute de la Faisanderie Template:Où
11 Batterie du Rouvray Template:Où

Second ring of forts

This section includes those works completed between 1870 and 1890 as part of the Séré de Rivières fortifications, in the region of 20 kilometers from the capital.[4]


 Dir.
 Name
Emplacement
 Date
1 N Fort de Cormeilles-en-Parisis Cormeilles-en-Parisis
2 N Fort de Montlignon Montlignon
3 N Fort de Domont Domont
4 N Fort de Montmorency Montmorency
5 N Fort d'Écouen Écouen
6 N Redoute de la Butte-Pinson Montmagny 1875–1877
7 N Fort de Stains Garges-les-Gonesse
8 E Fort de Vaujours Courtry
9 E Fort de Chelles Chelles
10 E Fort de Villiers Noisy-le-Grand 1878[5]
11 E Fort de Champigny Champigny-sur-Marne
12 E Fort de Sucy Sucy-en-Brie
13 E Fort de Villeneuve Villeneuve-Saint-Georges 1876[6]
14 S/W Fort de Palaiseau Palaiseau
15 S/W Fort de Châtillon Châtillon-sous-Bagneux
Fontenay-aux-Roses
16 S/W Fort de Villeras Saclay
17 S/W Batterie de Bouviers Guyancourt 1879
18 S/W Batterie du Ravin de Bouviers Versailles
19 S/W Fort du Haut-Buc Buc (Yvelines) 1879
20 S/W Fort de Saint-Cyr Montigny-le-Bretonneux 1879
21 S/W Fort du Trou-d'Enfer Marly-le-Roi 1881
22 S/W Fort de Bois-d'Arcy Bois d'Arcy

Sources

See also

References

  1. ↑ Lazare, Félix; Lazare, Louis (1993). Maisonneuve and Laroze, ed. Dictionnaire historique des rues et monuments de Paris en 1855 (in French). p. 132.
  2. ↑ de Villefort, Alfred. "Recueil des traités, conventions, lois, décrets et autres actes relatifs à la paix avec l'Allemagne". Journal Officiel du 22 septembre 1871 (in French). Paris: Imprimerie Nationale. II (1872): 282.
  3. ↑ d'abord Châtillon-sous-Bagneux,puis Vanves, et enfin à Malakoff
  4. ↑ "Les forts de la deuxième ceinture autour de Paris - Inventaire du devenir des 16 forts construits de 1870 à 1885" (PDF) (in French). Association de sauvegarde du Fort de Villiers (ASFV). April 2008. Retrieved 12 January 2010.
  5. ↑ « Association de Sauvegarde du Fort de Villiers », at the site asfv.eu.
  6. ↑ « Patrimoine culturel », at the site of the town of Villeneuve-Saint-Georges,

Bibliography

External links

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