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Battle of Herbsthausen
Part of Thirty Years' War
DateMay 2, 1645
LocationHerbsthausen, Mergentheim (present-day Germany)
Result Bavarian victory
 Kingdom of France[1] Fahne Kurbayern.gif Bavaria
Commanders and leaders
Vicomte de Turenne Franz von Mercy

The Battle of Herbsthausen, or the Battle of Mergentheim, was fought on May 2, 1645.[2] The battle was between French forces led by Marshal Turenne and the Bavarian army led by Franz von Mercy. The French had caught the Bavarians short of troops at the beginning of the campaigning season, and pursued the Bavarians deep into Württemberg, but the Bavarians caught the French unawares and heavily defeated them.


At the beginning of the 1645 campaign season, 4,000 troops had been detached from Mercy's army in order to reinforce the army of the Holy Roman Empire against the Swedes. Upon learning this, Turenne moved to immediately bring Mercy to battle, pulling approximately 11,000 men and 15 guns from winter quarters and marching on Württemberg, in which vicinity Mercy was encamped.[3] Turenne drove Mercy and his 6,000 men steadily deeper into Germany, from Stuttgart to Hall to Mariendal (Mergentheim), where he finally encamped to await reinforcements from the Hessians and collect forage for his horses. His forces were dispersed into encampments in villages in the vicinity.


At 2:00 am on May 2, Turenne was awoken to the news that Mercy was bearing down on the French encampments. Turenne issued orders to the army to regroup at Herbsthausen and for General Rosen to rally the forces there. Ignoring the advantageous terrain that he was in possession of, and heedless of his still inferior numbers (he had but 3,000 men at this time), Rosen deployed his battalions on the plain near Herbsthausen, where Mercy found him and, sensing his advantage, issued only a desultory artillery bombardment before attacking with his cavalry and infantry. Turenne arrived too late to reverse Rosen's errors, and Mercy's forces overwhelmed the French.[4]


All of Turenne's infantry was lost, as well as most of his cavalry. Turenne himself narrowly avoided capture, and fled to Hesse-Cassel to avoid Mercy's close pursuit. Cardinal Mazarin now found it necessary to commit d'Enghien (the later Great Condé) to the campaign to rectify the French position in Western Germany, which led to the Second Battle of Nördlingen in August, where Mercy was killed.[5]

See also


  1. Ripley, George and Dana, Charles Anderson. The American Cyclopaedia. New York, 1874, p. 250. "...the standard of France was white, sprinkled with golden fleur de lis..."
  2. Croxton, pp. 981-982.
  3. James, pp. 133-134.
  4. James, pp. 134-138; Morris, p. 264; Croxton, p. 987.
  5. Bonney. Thirty Years War, p. 64


  • Bonney, Richard. The Thirty Years War 1618-1648. Osprey Publishing, 2002.
  • Croxton, Dexter. "The Prosperity of Arms Is Never Continual: Military Intelligence, Surprise, and Diplomacy in 1640s Germany." The Journal of Military History, Vol. 64, No. 4 (October 2000), pp. 981–1003.
  • James, George Paine Rainesford. The Life and Times of Louis XIV." R. Bentley, 1839.
  • Morris, William O'Connor. "Turenne". The English Historical Review Oxford, Vol. 2, No. 6. (April 1887), pp. 260–280.

External links

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