1. Entrained at Laon during the last two weeks of February, 1917, and sent to Vigneulles, via Charleville-Conflans-Chambley; and again went into the sector of Calonne trench between February 18 and the end of April.
Californie Plateau.
2. Relieved at the end of April and sent from Mars la Tour-Vigneulles (via Conflans-Sedan-Liart) to the region of Rozoy sur Serre. After a few days’ rest in the vicinity of Sissonne it was engaged beginning May 6 in the attacks on the plateaus of Vauclerc and Californie, where some of its regiments suffered heavy losses, especially on the Winterberg.
3. Beginning May 18 the division did not attack any more but merely held the sector (Californie-Chevreux les Courtines). However, our attack of May 22 to 24 caused it heavy losses.
4. At the end of May the 9th Division was replaced by the 41st Division. It received reinforcements. (The 19th Infantry received 200 men June 14. About May 25, 60 men of the 1918 class were sent to the 6th Company of this regiment.) From May 13 to June 13 the 10th Company of the 154th Infantry received 68 men at least, most of them of the 1918 class.
5. About June 17–18 the division appeared in the sector of Juvincourt, where it attacked on the night of August 4–5 without success. Relieved about September 8 without having losses in this last sector.
Chemin des Dames.
6. During September it was sent to rest in the region of Pierrepont-Missy-Liesse. Engaged in the sector of Bovettes-Pargny-Filain from October 23 to 27 and withdrawn from this front at the beginning of November after some of its regiments had suffered heavy losses during the battle of October 23 to 25.
7. About the middle of November the division went to the sector of Chevregny, after a rest of about two weeks in the region of Laon, during which it was filled up again. It held this sector until the beginning of December. December 8 it was in the vicinity of Laon. January 11, 1918, some of the units were at Liesse.