Count Leopold Joseph von Daun

Count Leopold Joseph von Daun

Count Leopold Joseph von Daun (or Dhaun) (September 24, 1705 – February 5, 1766), later Prince of Thiano, Austrian field marshal, was born at Vienna, as son of Count Wirich Philipp von Daun.



He was intended for the church, but his natural inclination for the army, in which his father and grandfather had been distinguished generals, proved irresistible. In 1718 he served in the campaign in Sicily, in his father's regiment. He had already risen to the rank of Oberst (Colonel) when he saw further active service in Italy and on the Rhine in the War of the Polish Succession (1734-35). He continued to add to his distinctions in the war against the Ottoman Empire (1737-39), in which he attained the rank of Feldmarschallleutnant (Major-General).

War of the Austrian Succession

In the War of the Austrian Succession (1740-48), Daun distinguished himself by the careful leadership which was afterwards his greatest military quality.

He was present at Chotusitz and Prague, and led the advanced guard of Khevenhüller's army in the victorious Danube campaign of 1743. Field Marshal Count Traun, who succeeded Khevenhüller in 1744, thought equally highly of Daun, and entrusted him with the rearguard of the Austrian army when it escaped from the French to attack Frederick the Great. He held important commands in the battles of Hohenfriedberg and Soor, and in the same year (1745) was promoted to the rank of Feldzeugmeister (Lieutenant General). After this he served in the Low Countries, and was present at the Battle of Val. He was highly valued by Maria Theresa, who made him commandant of Vienna and a Knight of the Golden Fleece, and in 1754 he was elevated to the rank of Feldmarschall (Field-Marshal).

Statue of Leopold Josef Graf Daun, on the Maria Theresa memorial, Vienna

Seven Years' War

During the interval of peace that preceded the Seven Years' War he was engaged in carrying out an elaborate scheme for the reorganization of the Austrian army, and it was chiefly through his efforts that the Theresian Military Academy was established at Wiener-Neustadt in 1751. He was not actively employed in the first campaigns of the war, but in 1757 he was placed at the head of the army which was raised to relieve Prague. On June 18, 1757 Daun defeated Frederick for the first time in his career in the desperately fought Battle of Kolin. In commemoration of this brilliant exploit the queen immediately instituted a military order bearing her name, and Daun was awarded the first Grand Cross of that order. The union of the relieving army with the forces of Prince Charles at Prague reduced Daun to the position of second in command, and in that capacity he took part in the pursuit of the Prussians and the victory of Breslau.

Frederick now reappeared and won the most brilliant victory of the age at Leuthen. Daun was present on that field, but was not held accountable for the disaster, and when Prince Charles resigned his command, Daun was appointed in his place. With the campaign of 1758 began the war of manoeuvre in which Daun, though he missed, through over-caution, many opportunities of crushing the Prussians, at least maintained a steady and cool resistance to the fiery strategy of Frederick. In 1758 Major-General Laudon, acting under Daun's instructions, forced the king to raise the siege of Olmütz (Battle of Domašov), and later in the same year Daun himself surprised Frederick at the Battle of Hochkirch and inflicted a severe defeat upon him (October 14th). In the following year the war of manoeuvre continued, and on the 20th and 21st of November he surrounded the entire corps of General Finck at Maxen, forcing the Prussians to surrender. These successes were counterbalanced in the following year by the defeat of Loudon at Liegnitz, which was attributed to the dilatoriness of Daun, and Daun's own defeat in the great Battle of Torgau. In this engagement Daun was so severely wounded that he had to return to Vienna to recuperate.

He continued to command until the end of the war, and afterwards worked with the greatest energy at the reorganization of the imperial forces. In 1762 he had been appointed president of the Hofkriegsrath. By order of Maria Theresa a monument to his memory was erected by Balthasar Ferdinand Moll in the church of the Augustinians, with an inscription describing him as the "saviour of her states." In 1888 the 56th Regiment of Austrian Infantry was named after him. As a general Daun has been criticized for the dilatoriness of his operations, but wariness was not misplaced when one faced a general like Frederick, who was quick and unpredictable. His inability to exploit a victory, on the other hand, might not be so easily excused.

His cousin married the Marquis of Pombal, the noted Portuguese statesman.[1]


Regarding personal names: Graf is a title, translated as Count, not a first or middle name. The female form is Gräfin. Regarding personal names: Fürst is a title, translated as (Sovereign) Prince, not a first or middle name. The female form is Fürstin.

The name Daun comes from Austria and means 'feather down'.


  1. ^ The wife of the Marquis of Pombal was actually his first cousin, not his daughter. Gräfin Eleonora von und zu Daun was the daughter of Graf Heinrich Reichard Lorenz von und zu Daun and Gräfin Maria Josepha Violante von Poymund und Payersberg. Heinrich was the son of Graf Wilhelm Johann Anton von und zu Daun and Gräfin Anna Maria Magdalena von Althann, who were also the parents of Graf Wirich Philipp Lorenz von Daun, Marchese di Rivoli, Principe di Teano, father of Leopold Joseph. See Europäische Stammtafeln, J.A. Stargardt Verlag, Marburg, Schwennicke, Detlev (Ed.), Reference: XI 20-21

Further reading

See Der deutsche Fabius Cunctator, oder Leben und Thaten seiner Excellentz, des Herrn Leopold Joseph Maria Reichsgrafen von Daun ... (S.l.: s.n., 1759-1760), and works dealing with the wars of the period.


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