In 1797 he was sent to arrest the victorious march of General Bonaparte in Italy, and he conducted the retreat of the over-matched Austrians with the highest skill. In the campaign of 1799 he once more opposed Jourdan, whom he defeated in the battles of Osterach and Stockach, following up his success by invading Switzerland and defeating Masséna in the First Battle of Zürich, after which he re-entered Germany and drove the French once more over the Rhine.
Ill-health, however, forced him to retire to Bohemia, but he was soon recalled to undertake the task of checking Moreau's advance on Vienna. The result of the Battle of Hohenlinden had, however, foredoomed the attempt, and the archduke had to make the armistice of Steyr. His popularity was now such that the diet of Regensburg, which met in 1802, resolved to erect a statue in his honor and to give him the title of savior of his country, but Charles refused both distinctions.
In the short and disastrous war of 1805 Archduke Charles commanded what was intended to be the main army in Italy, but events made Germany the decisive theatre of operations; Austria sustained defeat on the Danube, and the archduke was defeated by Massena in the Battle of Caldiero. With the conclusion of peace he began his active work of army reorganization, which was first tested on the field in 1809. As generalissimo of the army he had been made field marshal some years before.
In 1806 Francis II (now Francis I of Austria) named the Archduke Charles Commander in Chief of the Austrian army as well as Head of the Council of War. Supported by the prestige of being the only general who had proved capable of defeating the French, he promptly initiated a far-reaching scheme of reform, which replaced the obsolete methods of the 18th century. The chief characteristics of the new order were the adoption of the nation in arms principle and the adoption of French war organization and tactics. The new army was surprised in the process of transition by the war of 1809, in which Charles acted as commander in chief, yet even so it proved a far more formidable opponent than the old, and, against the now heterogeneous army of which Napoleon disposed it succumbed only after a desperate struggle.
Its initial successes were neutralized by the reverses of Abensberg, Landshut and Eckmuhl but, after the evacuation of Vienna, the archduke won the great Battle of Aspern-Essling and soon afterwards fought the still more desperate Battle of Wagram, at the close of which the Austrians were defeated but not routed. They had inflicted upon Napoleon a loss of over 50,000 men in the two battles. At the end of the campaign the archduke gave up all his military offices.
When Austria joined the ranks of the allies during the War of the Sixth Coalition, Charles was not given a command and the post of commander-in-chief of the allied Grand Army of Bohemia went to the Prince of Schwarzenberg. Charles spent the rest of his life in retirement, except for a short time in 1815 when he was military governor of the Fortress Mainz. In 1822 he succeeded to the duchy of Saxe-Teschen.
On 17 September, 1815, Charles married Princess Henrietta of Nassau-Weilburg (1797–1829). She was a daughter of Frederick William of Nassau-Weilburg (1768- 1816) and his wife Louise Isabelle of Kirchberg.
Wilhelmine Carolina was a daughter of William IV, Prince of Orange and Anne, Princess Royal and Princess of Orange. Anne was in turn the eldest daughter of George II of Great Britain and Caroline of Ansbach.
Charles died at Vienna on 30 April 1847. He is buried in tomb 122 in the New Vault of the Imperial Crypt in Vienna. An equestrian statue was erected to his memory on the Heldenplatz in Vienna in 1860.
His campaign of 1796 is considered almost faultless. That he sustained defeat in 1809 was due in part to the great numerical superiority of the French and their allies, and in part to the condition of his newly reorganized troops. His six weeks' inaction after the victory of Aspern is, however, open to unfavorable criticism. As a military writer, his position in the evolution of the art of war is very important, and his doctrines had naturally the greatest weight. Nevertheless they cannot but be considered antiquated even in 1806. Caution and the importance of strategic points are the chief features of his system. The rigidity of his geographical strategy may be gathered from the prescription that this principle is never to be departed from.
Again and again he repeats the advice that nothing should be hazarded unless one's army is completely secure, a rule which he himself neglected with such brilliant results in 1796. Strategic points, he says, not the defeat of the enemy's army, decide the fate of one's own country, and must constantly remain the general's main concern, a maxim which was never more remarkably disproved than in the war of 1809. The editor of the archduke's work is able to make but a feeble defense against Clausewitz's reproach that Charles attached more value to ground than to the annihilation of the foe. In his tactical writings the same spirit is conspicuous. His reserve in battle is designed to cover a retreat.
The baneful influence of these antiquated principles was clearly shown in the maintenance of Königgratz-Josefstadt in 1866 as a strategic point, which was preferred to the defeat of the separated Prussian armies, and in the strange plans produced in Vienna for the campaign of 1859, and in the almost unintelligible Battle of Montebello in the same year. The theory and the practice of Archduke Charles form one of the most curious contrasts in military history. In the one he is unreal, in the other he displayed, along with the greatest skill, a vivid activity which made him for long the most formidable opponent of Napoleon.
On the battlefield, it is probably fair to say, Charles was comparable in skill and style to Sir Arthur Wellesley, 1st Duke of Wellington - quite conservative and yet exceedingly competent. Wellington is better-known to posterity, because he led one of the two Allied armies at the final decisive victory of the Napoleonic Wars (the battle of Waterloo in 1815), although Wellington's superior reputation is perhaps also due to the fact that he only once faced Napoleon, whereas Charles was confronted by Napoleon in battle more times than any other commander. On these occasions the reliable and yet unimaginative tactics Charles was fond of were not sufficient, except on one occasion at Aspern-Essling, to defeat the unpredictable Corsican. Nonetheless Charles is a member of a pantheon of famous Napoleonic figures that includes the Emperor himself, Louis Nicolas Davout, Andre Massena, Karl von Schwarzenberg, Mikhail Kutuzov, Gebhard Leberecht von Blücher and the aforementioned Duke of Wellington.
|Archduchess Maria Theresa of Austria||31 July 1816||8 August 1867||Married Ferdinand II of the Two Sicilies, had issue|
|Archduke Albert, Duke of Teschen||3 August 1817||2 February 1895|
|Archduke Karl Ferdinand||29 July 1818||20 November 1874||Married Archduchess Elisabeth Franziska of Austria, had issue|
|Archduke Frederick Ferdinand||14 May 1821||5 October 1847||Died unmarried, no issue|
|Archduke Rudolph of Austria||25 September 1822||11 October 1822||Died in childhood, no issue|
|Archduchess Maria Karoline of Austria||10 September 1825||17 July 1915||Married her first cousin Archduke Rainer of Austria, third son of Archduke Rainer of Austria and Princess Elisabeth of Savoy-Carignano.|
|Archduke Wilhelm of Austria||21 April 1827||29 July 1894|
Thunder on the Danube Napoleon's Defeat of the Hapsburgs: A Definitive History of Napoleon's Last Victorious War.(Book review)
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