The Fourth Army, nicknamed the "Army of Fontainebleau", was a unit of the French Army, which fought during World War I and World War II. It was one of five armies created and placed on a war footing by the Grand Quartier Général when Plan XVII was launched in response to the German attack of August 1914.

Command

World War I

Commanders

Chief of Staff

World War II

Commanders

First World War

Composition at mobilization

On mobilization in August 1914, the 4th Army of the French Army was commanded by General de Langle de Cary. It comprised the 12th and 17th Corps, the Colonial Army Corps and a cavalry division. The 1st echelon of staff from Paris arrived at Saint-Dizier on 5 August at 8:15 a.m.; the 2nd echelon on 6 August at 9 p.m. from Fontainebleau.

12th Army Corps (Limoges)

17th Army Corps (Toulouse)

Colonial Army Corps

The Colonial Army Corps (CAC, formed in Paris) was commanded by General Jules Lefèvre (replaced on January 22, 1915 by General Henri Gouraud).

9th Cavalry Divison

The 9th Cavalry Division (France) (from Tours) was formed from the 9th, 10th and 11th regions, and was commanded by general Jean de l'Espée.

Army elements

Artillery Engineering Aeronautical squadrons

Changes during the war

With the arrival of the Americans in the conflict, troops served under French command and for the Fourth Army:

History

1914

1915

1916

1917

1918

World War II

It was initially attached to Army Group No. 2 (east), then in June 1940 joined Army Group No. 4.

Composition

Sources and bibliography