1914 Mobilized in the 19th region, from 19 August. 24 August – 6 September : transported by sea to
Sète, then by rail to the south of Paris; where its journey temporarily halted. From 3 September, redeployed to the
Le Mesnil-Amelot region. 6–13 September : engaged in the
First Battle of the Marne. From 6 to 10 September, Battle of the Ourcq. Took part in the fighting towards
Penchard,
Chambry, Aisne,
Barcy and
Étrépilly, Seine-et-Marne. From 10 September, continued via
Lizy-sur-Ourcq and
Longpont (with the
British Expeditionary Force), as far as
Soissons. 13 September – 3 October : engaged in the first battle of the Aisne. Crossed the
Aisne (river) towards Soissons and repeated fighting north of
Crouy. Then stabilisation of the front and occupation of a sector in this region. On 23 and 30 September, French attacks towards the Perrière farm and north of the Montagne Neuve farm. 3 October 1914 – 25 February 1915: withdrawal from the front and transport by railway to the Arras region. Engaged, from 5 October, in the
First Battle of Artois. Fighting in the region of
Bailleul-Sir-Berthoult,
Roclincourt,
Thélus and
Écurie. Stabilization and occupation of a sector towards Roclincourt and
La Targette (mine warfare). 31 October : front extended to the right towards the Maison Blanche. 5 November : Took part in the fighting towards Écurie and north. 16 November : reduced front on the left to the south of La Targette. 28 November : German attack towards Écurie; from 27 to 29 November French counter-attacks. 7–8 December : new German attacks and French counter-attacks. 17–18 February 1915 : French attacks.
1915 25 February – 13 April : withdrawn from the front line to
Avesnes-le-Comte; rest, then from 30 March sent to
Doullens; refresher training. (Elements in sector with the
10th Army Corps (France), to Arras up to 2 March). From 6 April, transport by rail from the Doullens region to the south of
Bergues. 13 April – 8 June : moved to the front line, to occupy of a sector towards
Poelkapelle and
Langemark (flanking the British Army). 22 April : German gas attack during the
Second Battle of Ypres; French counter-attacks. Then occupied of a new sector towards
Boezinge and Het-Sas. 16–17 May : French attacks on Hill 17 towards Pilkem. 20–21 May : German counter-attacks. 23 May : sector moved, right towards Wieltje and Boezinge. 30 May : new French attacks on Hill 17. 8 June – 30 September : relief by the British
Second Army; bypass movement to the north, then occupied a new sector on the Yser, towards Boezinge and Steenstrate (flanking the British and Belgian armies). 30 September 1915 – 11 March 1916 : withdrew from the front line to the south-east of Bergues; rest and refresher training. From 21 November, elements in the Nieuwpoort sector.
1916 11 March – 9 May : transported by rail in the
Crépy-en-Valois region; rest. From 18 March, moved in stages to
Jonchery-sur-Vesle; rest and work. From 20 April, transported by rail in the
Sainte-Menehould region and rest in that of
Triaucourt. 9–23 May : moved to the front line. Engaged in the
Battle of Verdun between La Hayette and
Avocourt Wood. Fighting in Camard wood. 23 May–9 June : withdrew from the front line to the west of
Saint-Dizier; rest. From 30 May, transport by rail in the
Châtel-sur-Moselle region; rest. 9 June – 9 August : moved to the front line, occupied a sector between
Vezouze and Chapelotte. 9 August – 1 September : withdrawal from the front line to
Rambervillers; rest. From 12 August, sent to the
Saffais camp; refresher training. 25 August, transported by rail to the
Grandvilliers region; rest. 1–16 September : transport by trucks to
Fouilloy. Committed from 4 September in the
Battle of the Somme, deployed towards the Hôpital farm and the Forest. On 13, 14 and 15 September, French attacks. 16 September – 6 October : withdrawal from the front line to
Formerie; rest. From 29 September, transported by rail to the
Dunkirk region; rest. 6 October 1916 – 12 January 1917 : moved to the front line, to occupy a sector between Nieuport and Saint-Georges.
1917 12 January – 16 February : withdrawal from the front, transport by rail from Dunkirk to
Chantilly; refresher training at the
Pontarmé training camp and from 7 February, rest in
Neuilly-en-Thelle. 16 February – 4 March : employed on working parties at
Fitz-James, for the entrenched camp of Paris. 4 – 15 March : moved to the front line, to occupy a sector towards
Beuvraignes and the Bois des Loges (excluded). 15 March – 2 April : withdrew from the front line to
Montdidier, employed on working parties, then from 27 March transported by rail to
Mailly-le-Camp; rest. 2 – 22 April : moved to the front line, via
Mourmelon-le-Petit, then on the 5 April occupied the sector north of
Prosnes. Engaged from 17 to 20 April in the
Battle of the Hills (capture of Mount Haut and the Casque). 11 April – 19 May : withdrew from the front line, moved to
Mourmelon-le-Grand; at rest in the vicinity of
La Chaussée-sur-Marne. 19 May – 18 August : transported by rail to the front line and from 26 May, occupied a sector situated towards
La Neuville-au-Pont and the north of
Loivre. 18 August – 14 September : withdrawal from the front; rest at Verneuil (the 90th brigade is left in the sector until 22 August). 14 September – 6 October : occupied a sector in the Sapigneul region, la Miette. 6 – 22 October : withdrawal from the front line , moved to
Chaumuzy, then rest at
Saint-Martin-d'Ablois. 22 October – 11 December : moved to the front line, and occupied the sector towards Sapigneul and the south of Godat. From 16 November, ring road movement and took up positions in a new sector between
Courcy and the south of Godat. 11 December 1917 – 26 January 1918 : withdrew from the front line to
Damery; rest and refresher training.
1918 26 January – 29 March : moved to the front line, occupied the sector towards Courcy, Marne and
Bétheny. 29 March – 28 April : withdrew from the front line, was transported by trucks to the
Vendeuil region. Engaged on 5 April in the
Battle of the Avre (
Second Battle of Picardy). Contributed to stopping the German offensive during violent fighting between
Grivesnes and the west of Montdidier. 28 April – 20 May : withdrew from the front line, moved to
Nivillers; from 30 April, transported by rail to
Épernay; rest and refresher training in the vicinity of
Tours-sur-Marne, then from 17 May moved to
Ville-en-Tardenois. 20 May – 2 June : moved to the Saint-Thierry massif, the next day, 21 May, occupied a sector towards Courcy and Loivre. From 27 May, engaged in the
Third Battle of the Aisne (with the British
IX Corps). Put up resistance on the
Vesle, then southwest of
Reims, towards
Rosnay, Marne and
Ormes, Marne. 2 June – 6 August : withdrew from the front line to
Mareuil-sur-Ay; rest. On 4 July, occupied a sector between
Prunay and the
Fort de la Pompelle. Engaged on 15 July in the
Fourth Battle of Champagne. Resistance to the German shock. 2 August, bypass movement; engaged towards Rosnay and
Gueux, Marne in the
Second Battle of the Marne. 6 August – 8 September : occupied a sector on the Vesle, towards
Muizon and to the east. 8–20 September : withdrew from the front line, moved to
Arcis-le-Ponsart; then occupied a sector between the west of
Romain, Marne and the south of
Glennes. From 16 September, engaged between the Vesle and the Aisne in the push towards the Hindenburg position. Fighting moved towards Glennes and 14 September towards l'arbre de Romain. 20 September – 8 October : organisation of the positions conquered north of the Vesle between the west of Romain and the south of Glennes. On 27 September, front extended to the left as far as the north-east of
Baslieux-lès-Fismes. 8 October – 5 November: withdrew from the front line, movement towards Muizon. From 10 October, occupied a sector on the
Suippe, towards Burgundy; then progressed towards the region of
Saint-Germainmont,
Le Thour (
Battle of the Serre). Organization in this region of a reduced sector on the left, 24 October to the north of Saint-Germainmont. 5–11 November : withdrew from the front line to
Condé-en-Brie; rest. == Order of battle ==