Louis François, duc de Boufflers

Louis-François de Boufflers (January 10, 1644 – August 22, 1711) was a French soldier. He was created count of Cagny (modern Crillon) and duke of Boufflers and named marshal of France.

Louis-François bore several titles, but was generally known as the Chevalier Boufflers. He is also known as the Duc de Boufflers ("Duke of Boufflers") and Comte de Cagny ("Count of Cagny").

Louis-François was born at Crillon in Oise on January 10, 1644. He entered the army and saw service in 1663 at the siege of Marsal, becoming colonel of dragoons in 1669. In the conquest of Lorraine (1670), he served under Marshal de Créqui. In the Dutch Republic, he served under Henri de la Tour d'Auvergne, Vicomte de Turenne, frequently distinguishing himself by his skill and bravery; and when Turenne was killed by a cannon shot in 1675, he commanded the rear-guard during the retreat of the French army. He was already a brigadier, and in 1677 he became maréchal de camp.

He served throughout the campaigns of the time with increasing distinction, and in 1681 became lieutenant-general. He commanded the French army on the Moselle, which opened the War of the Grand Alliance with a series of victories. On 15 October 1688, he took the important fortress Mainz, the Aureum caput regni, with 20,000 soldiers, then he led a corps to the Sambre, and reinforced François Henri de Montmorency, Duc de Luxembourg on the eve of the Battle of Fleurus (1690).

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