The Army of the Rhine (; ) was formed in December 1791, for the purpose of bringing the French Revolution to the German states along the Rhine River. During its first year in action (1792), under command of Adam Philippe Custine, the Army of the Rhine participated in several victories, including Mainz, Frankfurt and Speyer. Subsequently, the army underwent several reorganizations and merged with the Army of the Moselle to form the Army of the Rhine and Moselle on 20 April 1795.

Revolutionary Wars

The Army of the Rhine (Armée du Rhin) was one of the main French Revolutionary armies operated in the Rhineland theater, principally in the Rhine River valley, from 1791 to 1795. At its creation, the Army of the Rhine had 88,390 men. It was formed on 14 December 1791, to defend France's eastern frontier in conjunction with two other armies, the Army of the North and the Army of the Center (name changed in October 1792 to Army of the Moselle). These armies were subdivided, fresh forces were raised and gradually grew until, by 30 April 1793, eleven armies encircled France on its coastal and the land frontiers. In October 1792, a portion of the army was used to form the Army of the Vosges but these units rejoined the Army of the Rhine on 15 March 1793.

Song of Glory In the first months of fighting, victories for France were few. Although Custine had succeeded in driving the ecclesiastical authorities from the Swiss village of Porrentruy by 27 April 1792, this singular victory was accomplished largely through the enterprises of a local uprising assisted by some advanced guard and it was the last French victory for several weeks: subsequently, the borders of France had been assaulted by the Habsburgs and their allies. At Mons (18–29 April 1792), Tournay (29 April 1792), Bavay (17 May 1792), Rumegies (19 May 1792), Florennes 28 May 1792, and La Glisuelle, a village north of Maubeuge (11 June 1792), Austrian skirmishers repeatedly defeated French forces.

Although much of the spring and summer of 1792 action continued throughout in the border regions with Belgium, the cities along the Upper Rhine, especially the city of Strasbourg, felt under threat of invasion by the Habsburg armies massing on the east side of the Rhine River. On 25 April 1792, Philippe Friedrich Dietrich, mayor of Strasbourg, asked a guest, Claude Joseph Rouget de Lisle, to compose a song to rally against the Habsburg threat. That evening, Rouget de Lisle wrote "Chant de guerre pour l'Armée du Rhin" (English: "War Song for the Army of the Rhine"), and dedicated the song to Marshal Nicolas Luckner, a Bavarian in French service. The melody soon became the rallying call to the Revolution: Allons enfants de la Patrie (Arise, children of the Fatherland)/Le jour de gloire est arrivé! (The day of glory has arrived!). It was renamed "La Marseillaise".

Successes under Custine's command The French government ordered Luckner to take command of the Army of the North, and Custine replaced him as overall commander of the Army of the Rhine in Spring 1793. Under his experienced command, the Army took several important positions on the Rhine, including at Speyer, Mainz, Limburg and Frankfurt (see chart of battles below).

Final reorganization On 29 December 1794, the left wing of the Army and the right wing of the Army of the Moselle combined to form the Army besieging Mainz. The rest of the Army of the Moselle united with the Army of the Rhine on 20 April, to form the Army of the Rhine and Moselle. This army united with the Army of Sambre-et-Meuse to form the Army of Germany on 29 September 1797.Orders of Battle show the same troops, under the amalgamation, reformed into these armies .

Principal battles +Battles of the Army of the Rhine.Unless otherwise noted, all information in the chart comes from 1792–1795 Date Battle VictorCommander28 April 1792 Battle of Porrentruy France Adam Philippe Custine; and 21 October 1792 1st Mainz French Custine30 September 1792Capture of Speyer French Custine21 October 1792Capture of FrankfurtFrenchCustine10 November 1792LimburgFrenchCustine, Houchard commanding the advanced guard.2 December 1792Frankfurt am MainCoalitionCustine, GdB van Helden commanding the garrison force14 April–23 July 1793 2nd Mainz Coalition Alexandre de Beauharnais13 October 1793 1st Wissembourg Coalition Jean Pascal Carlenc20 August–23 December 1793 Landau French Louis Lazare Hoche (Army of the Moselle)Jean-Charles Pichegru (Army of the Rhine)18 November–22 December 1793 Haguenau French Pichegru18–22 December 1793 Fröschwiller French Hoche26–29 December 1793 2nd Wissembourg French Hoche and Pichegru23 May 17942nd Kaiserslautern Prussian-Saxon Claude Ignace François Michaud23 May 1794 Battle of Schifferstadt FrenchMichaud12–13 July 1794SchänzelFrench Laurent de Gouvion Saint-Cyr17–20 September 1794 3rd KaiserslauternPrussian-Saxon François Ignace Schaal25 December 1794 Battle of Mannheim bridgeFrench Martial Vachot

1793 Order of Battle In its five-year history, the Army had several Orders of Battle. This is the OOB at the beginning of the 1793 campaign.

Right wing Column Munnier National Guard 1st and 2nd Battalions Haute-Saône 2nd Battalion Nièvre 4th Battalion Vosges 4th Battalion Seine-et-Oise 3rd Battalion Bas-Rhin 2nd Battalion Puy-de-Dôme 1st, 3rd Battalions Ain 3rd Battalion Grenadiers de l'Indre-et-Loire 2nd Battalion Rhône-et-Loire Total 20 battalions

Center Column Custine, positioned at Mainz. Grenadiers (1st, 2nd, 3rd and 4th battalions) 57th Infantry Regiment (two battalions) 62nd Infantry Regiment (one battalion) 82nd Infantry Regiment (one battalion) National Guard 2nd Battalion Ain 4th Battalion Haut-Rhin 9th and 10th Battalions Haute-Saône 4th Battalion Calvados 10th Battalion Meurthe 2nd Battalion Républicque 1st Battalion Chasseurs républicains 3rd, 7th, and 8th Battalions Vosges 5th and 6th Battalions Bas-Rhin 1st Battalion Fédérés Nationaux 2nd Battalion Seine-et-Oise 14th Cavalry Regiment (3 squadrons) 2nd Chasseurs à Cheval (light cavalry) (1 squadron) 7th Chasseurs à Cheval(4 squadrons) 10th Chasseurs à Cheval (5 squadrons) Total 26 battalions, 12 squadrons

Left wing Positioned at Bingen. 1st Infantry Brigade Neuwinger Brigade Houchard 7th Light Infantry Regiment (1st Battalion) 36th Infantry Regiment (1 battalion) 37th Infantry Regiment (1 battalion) National Guard 4th and 6th Battalions Jura 2nd Battalion Haute-Rhin 1st Battalion Seine-et-Loire 1st and 2nd Battalions Vosges 8th Chasseurs à Cheval (4 squadrons)

2nd Brigade Gilot 13th Infantry Regiment 48th Infantry Regiment National Guard 1st Battalion Haute-Rhin 1st Battalion Bas-Rhin 1st Battalion Correze 3rd Battalion Nievre

Cavalry Beaurevoir 2nd Chasseurs à Cheval (3 squadrons) 2nd Cavalry Regiment (3 squadrons 3rd Cavalry Regiment (3 squadrons) 9th Cavalry Regiment (3 squadrons) 11th Cavalry Regiment (3 squadrons) 12th Cavalry Regiment (3 squadrons) Total 22 squadrons

Reserves Grenadiers (12 companies) 6th Battalion of Chasseurs 2nd Infantry Regiment 2nd Carbine Regiment (3 Squadrons) 16th Dragoon Regiment (3 squadrons) National Guard 6th, 10th and 13 Battalions Vosges 5th Battalion de l'Eure 6th Battalion Calvados 12h Battalion Haute-Saône Hussards de la Liberté (unknown ) National Gendarmarie Reserve totals 8 battalions, 12 squadrons, 2 platoons

Commanders Stability of command of the Army of the Rhine reflected the overall chaos of the French Revolutionary governments, especially in the years 1791–1794. Four of the generals serving in those years were guillotined (see chart below).

+ Commanders-in-Chief of the Army of the Rhine1791–1795Italics indicates general was guillotined during Reign of Terror Date Name14 December 1791 – 6 May 1792 Nicolas Luckner 7 May – 20 July 1792 Alexis Magallon de la Morlière (intérim) 21 July – 25 December 1792 Armand Louis de Gontaut (also called "Biron") * 26 December 1792 – 14 March 1793, Étienne Deprez-Crassier, interim and subordinate to Adam Philippe Custine, who commanded this and the Army of the Moselle 15 March – 17 May 1793 Custine, also commander of the Army of the Moselle until 19 April; he was removed from command of both armies on 29 July 1793, tried and executed in August. 18–29 May 1793Dominique Diettmann, interim and subordinate to Jean Nicolas Houchard* 30 May – 17 August 1793 Alexandre de Beauharnais, provisionally and subordinate to Houchard. 18 August – 29 September 1793Charles Hyacinthe Leclerc de Landremont, interim to 23 August, then provisionally 30 September – 1 October 1793Louis Dominique Munnier (interim) 2–26 October 1793Jean Pascal Raymond Carlenc (provisional) 27 October 1793 – 13 January 1794 Jean-Charles Pichegru, subordinate to Lazare Hoche 14 January 1794 – 10 April 1795 Claude Ignace François Michaud, during his absences, Jean Philippe Raymond Dorsner 4 December 1794 – 13 February 1795 Jean-Baptiste Kléber, subordinate to the Army of Mainz14 February – 29 April 1795 François Ignace Schaal, subordinate to Army of Mainz 11–16 April 1795,Jean-Baptiste Kléber (interim) 17–19 April 1795 Jean-Charles Pichegru, during assembly of the Armies of the Rhine and Moselle

Other incarnations An army of the Bourbon Restoration bore this name. In 1815 during the Hundred Days the V Corps – Armée du Rhin under the command of General Jean Rapp, was cantoned near Strassburg, and fought holding actions against contingents of Russians and Austrians, the largest of which was the Battle of La Suffel on fought on 28 June 1815.

This name was also used for the French military forces posted to Germany during the Occupation of the Rhineland (1919–1930), following the First World War.

Related people People known to have served in this Armée include: General Baraguey d'Hilliers General Custine Antoine Marie Chamans de Lavalette The utopian socialist Charles Fourier (1794–1795) General Victor Claude Alexandre Fanneau de Lahorie Jean Théophile Victor Leclerc General Louis-Théobald Ihler General François-Joseph Offenstein Captain Claude Joseph Rouget de Lisle writer of La Marseillaise General Charles Pichegru Balthazar Alexis Henri Schauenburg

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