Army Group Reserve () or Army Group Rupture ({{langx, fr, Groupe d'armées de rupture), G. A. R.) was a grouping of French field armies during

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

, which was created on January 1, 1917 to fight in the Offensive of Chemin des Dames. The Army group was dissolved on May 8, 1917 after the failure of the Offensive. The Army Group was recreated after the

German spring offensive The German spring offensive, also known as ''Kaiserschlacht'' ("Kaiser's Battle") or the Ludendorff offensive, was a series of German Empire, German attacks along the Western Front (World War I), Western Front during the World War I, First Wor ...

of 1918.

Composition

April 15, 1917

* 6th Army (général

Charles Mangin Charles Emmanuel Marie Mangin (6 July 1866 – 12 May 1925) was a French general during World War I. Early career Charles Mangin was born on 6 July 1866 in Sarrebourg. After initially failing to gain entrance to Saint-Cyr, he joined the 77th In ...

) * 10th Army (général Denis Auguste Duchêne) * 5th Army (général

Olivier Mazel Olivier Charles Armand Adrien Mazel (16 September 1858 – 10 March 1940) was a French Army general during World War I. He commanded the First (25 March 1916 – 31 March 1916) and Fifth Armies (31 March 1916 - 22 May 1917) during the war. One of ...

)

March 23, 1918

* 1st Army (général Marie-Eugène Debeney) * 3rd Army (général Georges Louis Humbert)

July 1, 1918

* 6th Army (général Jean Degoutte) * 10th Army (général

)

Commanders

* Général

Joseph Alfred Micheler Joseph Alfred Micheler (23 September 1861 Phalsbourg, France – 17 March 1931 Nice, France) was a French general in the First World War. Life Born in Phalsbourg, Moselle from a Lorrainian family which preferred to be French than German when t ...

(January 1, 1917 – May 8, 1917) * Général

Émile Fayolle Marie Émile Fayolle (14 May 1852 – 27 August 1928) was a French general during World War I and a diplomat, elevated to the dignity of Marshal of France. Early life Marie Émile Fayolle was born on 14 May 1852, in Puy-en-Velay, at ''9 ...

(February 23, 1918 – December 1918)

Sources

The French Army and the First World War
by Elizabeth Greenhalgh * 14-18 : Espoirs et drames sur le Chemin des Dames Military units and formations of France in World War I Military units and formations established in 1917 Army groups of France Army groups of World War I