Charles Mathieu Isidore Decaen

Charles Mathieu Isidore Decaen (French pronunciation: [ʃaʁl matjø izidɔʁ dəkɑ̃], 13 April 1769 – 9 September 1832) was a French general who served during the French Revolutionary Wars, as Governor General of Pondicherry and the Isle de France (now Mauritius) and as commander of the Army of Catalonia during the Napoleonic Wars.

Général Charles Mathieu Isidore Decaen

French Revolution

Decaen, born in Caen, served as a gunner in the French Navy before the French Revolution. In 1792 Decaen enlisted in the Calvados battalion. He served under Kléber in the siege of Mainz. Promoted to adjudant-general, Decaen served in the uprising of the Vendée. He fought under the generals Canclaux, Dubayet, Moreau and Kléber. Promoted to general of brigade, Decaen was captured in the attack on Frantzenthal. After having given his parole he was exchanged.

In 1796 he served under Moreau in the operations near the Rhine and he distinguished himself in the passage of the river and the siege of Kehl, for which he was awarded a sword of honor by the French Directory. In 1800 he captured Munich and that December he commanded a division in the Battle of Hohenlinden. In that battle, he reacted "confidently and aggressively"[1] in a confusing situation in heavy forest during a snowstorm. His attack defeated the southernmost Austrian column and contributed greatly to the overall French success. For his role at Hohenlinden he was promoted to general of division (Major-General).

Service to the Empire

In Pondicherry

Possibly singled out for "exile" by Napoleon Bonaparte for his association with Moreau's Army of the Rhine, Decaen was sent on a difficult mission to the French establishment in India in 1802.[2] From 1803 to 1810, he defended the remote Île Bourbon (Réunion) and Isle de France (Mauritius) against all the efforts of the British. Ultimately overwhelmed by superior numbers, he obtained an honorable capitulation. He released Matthew Flinders from house arrest in April 1810, a few months before the Battle of Grand Port (August) and the capitulation to the British on 3 December of the same year.

Spain and fall of the Empire

Upon his return he was made a count and made the head of the Army of Catalonia from October 1811 to January 1814, fighting in Spain. From his headquarters in Barcelona, he reported to Marshal Louis Gabriel Suchet. He formed the Catalan guides and gained their high regard. At Suchet's request, he sent the troops who raised the Siege of Tarragona. In 1814, he tried in vain to keep the British out of Bordeaux. After the first abdication of Napoléon I he recognized Louis XVIII and he was appointed as governor of the 11th military division (Bordeaux). Decaen made an unsuccessful effort to maintain the royal authority in that city after the return of Napoleon I from Elba in 1815.

After the royal princes had left France, Decaen rejoined the emperor's side and during the Hundred Days, he commanded troops in the south of France, for which he was imprisoned for five months after the Bourbon restoration which occurred after Waterloo. After his release he retired to civil life until he was recalled to activity by Louis-Philippe I in 1830. He died two years later.

Honours
Inscription on the Arc de Triomphe (western pillar, column 33)

Footnotes
  1. Arnold, p 245
  2. Roberts, Andrew (2014). Napoleon the Great. London. ISBN 978-1-84614-027-3. OCLC 897006673.{{cite book}}: CS1 maint: location missing publisher (link)

References
  • Arnold, James R. Marengo & Hohenlinden. Barnsley, South Yorkshire, UK: Pen & Sword, 2005. ISBN 1-84415-279-0
  • Glover, Michael. The Peninsular War 1807-1814. London: Penguin, 2001. ISBN 0-14-139041-7

Titles
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