General Baron Hubert Rohault de Fleury (2 April 1779 – 21 September 1866) was a French soldier who played a major role in the
fortifications of Lyon.
Origins
The Rohault family originated in Abbeville. Jean-Baptiste Louis Rohault, a cloth and silk merchant, established himself in Paris on the rue Saint-Honoré in the middle of the 18th century. He married into the nobility. His son, Hubert Jean-Baptiste Rohault de Fleury, born in 1750, was an advocate of the Parliament of Paris and keeper of the records of the Company of the Indies.
Hubert Jean-Baptiste had two sons.
Charles Hubert Rohault de Fleury was born on 2 July 1777, and went on to become a prominent architect. Hubert Rohault de Fleury was born in Paris in 1779. He attended the college of Juilly. At the age of 16, he entered the
École Polytechnique
(, ; also known as Polytechnique or l'X ) is a ''grande école'' located in Palaiseau, France. It specializes in science and engineering and is a founding member of the Polytechnic Institute of Paris.
The school was founded in 1794 by mat ...
and graduated in 1798. He entered the School of Engineering at
Metz
Metz ( , , , then ) is a city in northeast France located at the confluence of the Moselle (river), Moselle and the Seille (Moselle), Seille rivers. Metz is the Prefectures in France, prefecture of the Moselle (department), Moselle Departments ...
and left the school in 1800 as a lieutenant.
Military career
During the
Napoleonic Wars
{{Infobox military conflict
, conflict = Napoleonic Wars
, partof = the French Revolutionary and Napoleonic Wars
, image = Napoleonic Wars (revision).jpg
, caption = Left to right, top to bottom:Battl ...
, Hubert Rohault de Fleury was promoted to captain in 1801, and served in the campaign in Portugal, then was transferred to Boulogne. He joined the Army of Germany and fought in the
Battle of Austerlitz
The Battle of Austerlitz (2 December 1805/11 Frimaire An XIV French Republican calendar, FRC), also known as the Battle of the Three Emperors, was one of the most important military engagements of the Napoleonic Wars. The battle occurred near t ...
in 1805. During this campaign, he was attached to the corps of Marshall
Jean Lannes
Jean Lannes, 1st Duke of Montebello, Prince of Siewierz (; 10 April 1769 – 31 May 1809), was a French military commander and a Marshal of the Empire who served during both the French Revolutionary and Napoleonic Wars.
He was one of Napol ...
, who tried to obtain his promotion to battalion commander. This was rejected by General
Henri Gatien Bertrand
Henri-Gatien Bertrand (; 22 March 1773 Dictionnaire Napoléon - Jean Tulard - P207 – 31 January 1844) was a French general who served during the French Revolutionary Wars and the Napoleonic Wars. Under the Empire he was the third and last G ...
, who considered that he was too young for such a senior rank.
Rohault de Fleury fought at the
Battle of Jena
A battle is an occurrence of combat in warfare between opposing military units of any number or size. A war usually consists of multiple battles. In general, a battle is a military engagement that is well defined in duration, area, and force ...
in 1806. He assisted in the sieges of Stralsund and Colberg.In 1808, he was sent to Catalonia. After the defense of
Barcelona
Barcelona ( ; ; ) is a city on the northeastern coast of Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second-most populous municipality of Spain. With a population of 1.6 million within c ...
, he was named battalion commander at the start of 1809. He was made an officer of the
Legion of Honour
The National Order of the Legion of Honour ( ), formerly the Imperial Order of the Legion of Honour (), is the highest and most prestigious French national order of merit, both military and Civil society, civil. Currently consisting of five cl ...
in 1809 at the
Third Siege of Gerona
The third siege of Girona occurred in northern Catalonia, Spain from 6 May to 12 December 1809, during the Napoleonic Wars. A significant event of the Peninsular War, France's Grande Armée lay siege to the town of Girona for seven months. Gi ...
, where he led the first assault on the fort of Montjouy and was seriously wounded. He was made a lieutenant-colonel in 1814.
After the fall of
Napoleon
Napoleon Bonaparte (born Napoleone di Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French general and statesman who rose to prominence during the French Revolution and led Military career ...
, Rohault de Fleury gave his allegiance to
Louis XVIII of France
Louis XVIII (Louis Stanislas Xavier; 17 November 1755 – 16 September 1824), known as the Desired (), was King of France from 1814 to 1824, except for a brief interruption during the Hundred Days in 1815. Before his reign, he spent 23 ...
and remained faithful to the King during the
Hundred Days
The Hundred Days ( ), also known as the War of the Seventh Coalition (), marked the period between Napoleon's return from eleven months of exile on the island of Elba to Paris on20 March 1815 and the second restoration of King Louis XVIII o ...
in 1815. He was promoted to colonel in 1816, and for six year commanded the 2nd Engineers Regiment. In 1822, he was appointed deputy governor of the École Polytechnique, but did not hold this position for long. He was promoted to brigadier general in 1823, in command of the engineers of the Army of Catalonia under
Marshall Moncey.
After the
July Monarchy
The July Monarchy (), officially the ''Kingdom of France'' (), was a liberalism, liberal constitutional monarchy in France under , starting on 9 August 1830, after the revolutionary victory of the July Revolution of 1830, and ending 26 Februar ...
was established in 1830, Rohault de Fleury was named senior commander of the defensive works of
Lyon
Lyon (Franco-Provençal: ''Liyon'') is a city in France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of the French Alps, southeast of Paris, north of Marseille, southwest of Geneva, Switzerland, north ...
. The goal was to create an immense fortified place that could serve as a military capital and place of refuge for the government of France in the event of the loss of Paris. He adapted and extended the works started by General
Haxo, adding a series of new forts and fortification works. In 1831 and again in April 1834, he was involved in suppression of the
Canut revolts
The Canut revolts () is the collective name for the major revolts by Lyonnais silk workers () which occurred in 1831, 1834 and 1848. They were among the first well-defined worker uprisings of the period known as the Industrial Revolution.
The Fi ...
in Lyon. In 1837, he participated in the capture of
Constantine, Algeria
Constantine (), also spelled Qacentina or Kasantina, is the capital of Constantine Province in northeastern Algeria. During Roman times it was called Cirta and was renamed "Constantina" in honour of Emperor Constantine the Great. Located somewh ...
as commander of the engineers.
He was appointed to the ''
Chambre de Pairs'' (House of Lords) in 1837, but his military duties left him little time to attend the sessions of the house.
Hubert Rohault de Fleury died in 1866.
Fortifications of Lyon

The extensive system of fortifications of Lyon included:
# Fort de la Duchère
# Fort de Caluire
# Fort de Montessuy
# Redoute Bel-Air
# Fort de Sainte-Foy
# Lunette du Petit Sainte-Foy
# Fort Saint-Irénée
# Lunette du Fossoyeur
# Fort de Loyasse
# Fort de Vaise
# Fort Saint-Jean
# Bastion Saint-Laurent
# Redoute du Haut-Rhône
# Redoute de la Tête d'Or
# Lunette des Charpennes
# Fort des Brotteaux
# Redoute de la Part-Dieu
#
Fort Montluc
Fort Montluc, also known as Fort de Villeurbanne, is a fort located in the 3rd arrondissement of Lyon. The fort was built in 1831 as part of the Ceintures de Lyon, which were a series of fortifications surrounding Lyon. It is currently used as a ...
# Redoute des Hirondelles
# Fort Lamothe
# Fort du Colombier
# Fort de la Vitriolerie
The fortifications of Lyon were improved according to Rohault de Fleury's plans. The existing Croix-Rousse fort retained its layout, but the bastion of St-Jean on the
Saône
The Saône ( , ; ; ) is a river in eastern France (modern Regions of France, region of Bourgogne-Franche-Comté). It is a right tributary of the Rhône, rising at Vioménil in the Vosges (department), Vosges Departments of France, department an ...
side was made into a powerful artillery position. The Fourvière fort was rebuilt from 1834 to 1838, and the outworks progressively improved until 1854. On the right bank of the Saône the fortifications were Sainte-Foy, now the CRS barracks, Petit Sainte-Foy, Saint-Irénée (1831), Vaise (1835), Loyasse (1838) and Duchère (1844), now disappeared. Between the Saône and the
Rhône
The Rhône ( , ; Occitan language, Occitan: ''Ròse''; Franco-Provençal, Arpitan: ''Rôno'') is a major river in France and Switzerland, rising in the Alps and flowing west and south through Lake Geneva and Southeastern France before dischargi ...
, in front of the Croix-Rousse fortification were the forts of Caluire (1831), now replaced by the stade Henri Cochet, and Montessuy (1831).
Fortifications on the left bank of the Rhône were the haut-Rhône battery (1854), demolished fifteen years later, and the forts of Brotteaux (1831), Villeurbanne or Montluc (1831 – now a police station), Tête d'Or (1832) and Charpennes (1842). The Colombier fort (1831) was demolished. The La Motte fort (1832), adapted from the
Château de La Motte
A château (, ; plural: châteaux) is a manor house, or palace, or residence of the lord of the manor, or a fine country house of nobility or gentry, with or without fortifications, originally, and still most frequently, in French-speaking reg ...
, was later transformed into a barracks and then became the "Parc Blandan". Of the Vitriolerie fort (1840) on the bank of the Rhone, only the fortified barracks in the middle of the Général Frère neighborhood remains.
Selected publications
Publications by Rohault de Fleury include:
*''Journal de l'expédition de Constantine en 1837'' National Library of France
*Chambre des Pairs. Séance du 30 mars 1841. ''Opinion de M. le baron Rohault de Fleury,... sur le projet de loi relatif aux fortifications de Paris'' National Library of France
*''Rapport fait à la Chambre par M. le baron Rohault de Fleury, au nom d'une commission spéciale chargée de l'examen du projet de loi relatif à l'ouverture d'un crédit de 3.930.000 francs pour la construction de divers ponts'' National Library of France
*''Opinion de M. le bon Rohault de Fleury,... sur le projet de loi relatif aux fortifications de Paris'' National Library of France
*''Opinion de M. le baron Rohault de Fleury, pair de France, sur le projet de loi relatif aux fortifications de Paris'' National Library of France
*Chambre des Pairs. Séance du 30 mars 1841. ''Opinion de M. le baron Rohault de Fleury, pair de France, sur le projet de loi relatif aux fortifications de Paris''
References
Citations
Sources
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{{DEFAULTSORT:Rohault de Fleury, Hubert
1779 births
1866 deaths
French generals
French military personnel of the Napoleonic Wars