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Battle of San Lorenzo de la Muga

Battle of San Lorenzo de la Muga
Part of the War of the Pyrenees
Date 13 August 1794
Location Sant Llorenç de la Muga, Catalonia, Spain
Result French victory
Republican France Spain
Commanders and leaders
Jacques Dugommier
Pierre Augereau[1]
Luis de la Union
John Forbes
10,000[2] 20,000[2]
Casualties and losses
800[2] 1,400[2]

The Battle of San Lorenzo de la Muga (Catalan: Sant Llorenç de la Muga) was fought on 13 August 1794 between an attacking Spanish–Portuguese army led by the Conde de la Unión and a French army commanded by Jacques François Dugommier. The local French defenders headed by Pierre Augereau and Dominique Pérignon repulsed the allies. The Spanish garrison of Fort de Bellegarde surrendered a month later.


  • Background 1
  • Battle 2
  • Aftermath 3
  • Footnotes 4
  • References 5


In 1793 the Spanish army defeated the ill-trained French armies where the Franco-Spanish border touches the

  • by Dominic
  • Ostermann, Georges. "Pérignon: The Unknown Marshal". Chandler, David, ed. Napoleon's Marshals. New York: Macmillan, 1987. ISBN 0-02-905930-5
  • Smith, Digby. The Napoleonic Wars Data Book. London: Greenhill, 1998. ISBN 1-85367-276-9


  1. ^ Smith (1998), p. 88. Smith gave sole credit to Augereau for the victory.
  2. ^ a b c d e Smith (1998), pp. 88-89
  3. ^ Ostermann-Chandler (1987), p. 406
  4. ^ a b Ostermann-Chandler (1998), p. 407
  5. ^ Smith (1998), p. 77
  6. ^ Smith (1998), p. 81
  7. ^ Ostermann-Chandler (1987), p. 407. Ostermann credited both Pérignon and Augereau with the victory, but the western sector belonged to Augereau.
  8. ^ Ostermann-Chandler (1987), p. 408
  9. ^ Smith (1998), p. 91


The Marquis of Val-Santaro surrendered Bellegarde to Pérignon on 17 September. The 1,000 starving survivors of the garrison became prisoners, while 68 cannon and 40,000 rounds of cannon shot fell into French hands. French losses during the blockade were light.[8][9] The next action was the Battle of the Black Mountain in November 1794.


General John Forbes covered the retreat with a Portuguese division consisting of one battalion each of the 1st, 2nd, Olivença, Cascais, Peniche, and Freire de Andrade Infantry Regiments. The French counted 800 casualties, including General of Brigade Guillaume Mirabel killed. The Spanish suffered losses of 1,400 soldiers killed, wounded, and missing.[2]

Anxious about the beleaguered garrison of Bellegarde, de la Union assembled an army of 45,000 infantry and 4,000 cavalry. He emerged from his fortified lines covering the Alto Ampurdán to attack Augereau's division on the western flank. The fighting took place near Sant Llorenç de la Muga, the site of a cannon ammunition foundry.[7] The Spanish assault, carried out by 14,000 regular infantry and 6,000 provincial militia, failed to break the French defenders, who received some help from Pérignon's division in the center. Sauret's defenses, on the eastern flank, were not threatened.

War of the Pyrenees, Eastern Front


Dugommier organized the infantry divisions of Generals of Division Pérignon, Augereau, and Pierre François Sauret, backed by a cavalry reserve under MG André de La Barre.[4] The French defeated their adversaries at the Battle of Boulou on 1 May.[5] Immediately after their victory, they pushed the Allied army south of the Pyrenees and invested both Collioure and the Fort de Bellegarde. Collioure fell on 29 May,[6] but Bellegarde proved to be much more difficult to capture. In a combat at La Junquera on 7 June, Pérignon repulsed a Spanish attempt to relieve Bellegarde, though La Barre was killed while leading his troopers.[4]


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