Jean Ernest Ducos de La Hitte, Viscount (5 September 1789 – 22 September 1878), was a French major general and politician. He was a senator, Foreign Minister, and the implementer of the La Hitte system of rifled guns in 1858.

Life He was born on 5 September 1789 in Bessières, Haute-Garonne. He entered the Ecole Polytechnique in 1807. He fought in Spain as an artillery lieutenant, in the campaigns of 1810, 1811, 1812, 1813 and 1814. He was in particular noticed at the siege of Cádiz. He became Brigadier general on 22 February 1829, at 39 years of age. One year after (1830), he commanded the artillery in Africa during the capture of Algiers.

He was President of the Artillery committee during the Revolution of 1848. He became Minister for Foreign Affairs from November 1849 until 9 January 1851."Jean-Ernest Ducos, vicomte de La Hitte was a general and Bonapartist, Foreign Minister and Minister of War, 1849-51." Political Writings – p. 125, by Karl Marx, David Fernbach, 1973

He created the La Hitte system of rifled muzzle-loading guns in 1858:Franck Taylor, Rifled Field Pieces: A Short Compilation of what is Known of the New Field, 1862, p. 32

He died on 22 September 1878 in Gragnague.

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