Marengo (department)

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Département de Marengo
Département of French Revolution and First French Empire

Flag Coat of arms
Flag Coat of arms
Location of Marengo
Admimistrative map of French Empire in 1812. Marengo (department) is on the lower right side, northwest of Genoa.
Capital Alessandria
44°55′N 08°37′E / 44.917°N 8.617°E / 44.917; 8.617Coordinates: 44°55′N 08°37′E / 44.917°N 8.617°E / 44.917; 8.617
 -  Decree of 24 Fructidor, year X[1] 11 September 1802
 -  Treaty of Fontainebleau 11 April 1814
 -  1812[2] 3,482.61 km2 (1,345 sq mi)
 -  1812[2] 318,447 
Density 91.4 /km2  (236.8 /sq mi)
Political subdivisions 3 Arrondissements [2]

Marengo is the name of a département of the consulate and of the First French Empire in present Italy. It was named after the Marengo ("Marengh" in piedmontese) plain near Alessandria to commemorate the Battle of Marengo (1800). The capital was Alessandria and the other principal cities were Asti, Bobbio, Casale Monferrato, Tortona and Voghera. The department was suppressed following the defeat of Napoleon in 1814 and the restoration of his Piedmontese territories to the King of Sardinia.

It was formed in 1802 when Napoleon Bonaparte occupied Piedmont. Initially it comprised the former Piedmontese provinces of Alessandria, Casale, Tortona, Voghera and Bobbio. Following the annexation of the Ligurian Republic to France in 1805, Voghera, Bobbio and Tortona passed to the newly created Department of Genoa, while the Department of Marengo acquired Asti, previously in the Department of Tanaro. The département was subdivided into the following arrondissements and cantons (situation in 1812):[2]

Its population in 1812 was 318,447, and its area was 348,261 hectares.[2]

The division was included within the 28th military division, the 16th cohort of the légion d'honneur, the 29th conservation des forêts, the Diocese of Casale, the sénatorerie of Turin and the court of appeal of Genoa. It elected three deputies to the Corps législatif of the First Empire.


  1. ^ "Décret du 24 Fructidor". Retrieved 2010-09-28. 
  2. ^ a b c d Almanach Impérial an bissextil MDCCCXII, p. 430-431, accessed in Gallica 25 July 2013 (French)


This article includes text translated from ‘Dipartimento di Marengo’, its counterpart in the Italian Wikipedia.