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Department of Mont-Tonnerre
Département du Mont-Tonnerre
Department of the First French Republic
Flag of France (1794-1815, 1830-1958).svg
Map of the former département du Mont-Tonnerre
Capital Mainz
Preceded by
Succeeded by
Banner of the Electorate of Mainz.svg Electorate of Mainz
Wappen Bistum Speyer.png Prince-Bishopric of Speyer
Wappen Bistum Worms.png Prince-Bishopric of Worms
Blason Nassau-Weilbourg.svg Nassau-Weilburg
Wappen-HD (1736-1804).svg Landgraviate of Hesse-Darmstadt
Banner of the Palatinate.svg Electoral Palatinate
Kingdom of Bavaria Flag of Bavaria (striped).svg
Grand Duchy of Hesse Flagge Grossherzogtum Hessen ohne Wappen.svg
Today part ofFlag of Germany.svg  Germany

Mont-Tonnerre [mɔ̃.tɔ.nɛʁ] was a department of the First French Republic and later the First French Empire in present-day Germany. It was named after the highest point in the Palatinate, the Donnersberg ("Thunder Mountain", possibly referring to Donar, god of thunder). It was the southernmost of four departments formed in 1798 when the west bank of the Rhine was annexed by France. Prior to the French occupation, its territory was divided between the Archbishopric of Mainz, the Bishopric of Speyer, the Bishopric of Worms, Nassau-Weilburg, Hesse-Darmstadt, the Electorate of the Palatinate and the imperial cities of Worms and Speyer. Its territory is now part of the German states of Rhineland-Palatinate and Saarland. Its capital was Mainz (French : Mayence).

The department was subdivided into the following arrondissements and cantons (situation in 1812): [1]

Its population in 1812 was 342,316. [1]

After Napoleon was defeated in 1814, the department was divided between the Kingdom of Bavaria (Palatinate) and the Grand Duchy of Hesse (around Mainz).

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  1. 1 2 Almanach Impérial an bissextil MDCCCXII, p. 439-440, accessed in Gallica 26 July 2013 (in French)

Coordinates: 50°00′00″N8°16′00″E / 50°N 8.26667°E / 50; 8.26667