Claude François Dupré or Claude François Duprès (3 October 1755, Fort-Louis, in the Bas-Rhin - 21 July 1808, Bailén, Andalucia) was a French general.
Apart from the odd setback, such as General Castaños' surprise victory at Bailén, in part due to guerrilla warfare between Madrid and Andalusia, and especially in the Sierra Morena, a victory which helped persuade the British government that Napoleon could be defeated, the French troops were largely undefeated on the open battlefield.
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Pursued and cut off by a Spanish army under the Duke of Castaños, his corps was defeated in the Battle of Bailén after his Swiss troops deserted and returned to their former allegiance.
It was established on 25 September 1808 following the Spanish victory at the Battle of Bailén and after the Council of Castile declared null and void the abdications of Charles IV and Ferdinand VII done at Bayonne earlier in May.