1. The 13th Division remained in line at Hill 304 until the middle of May, 1917. It was then relieved in this area and sent to the Aisne, where it remained at rest for three weeks near Laon.
Chemin des Dames.
2. On the 9th of June it began to take over the sector of Cerny. It launched an important attack on July 31 upon the Deimling salient, but was not able to retain the ground won. On August 2–3 it attacked again, but without success. The 13th and 15th Infantry Regiments each lost 600 men.
St. Gobain.
3. The 13th Division, very much exhausted, was relieved during the night of August 3–4. It was transferred by railroad to the St. Gobain area without having time to fill up its regiments, and went into line in the Deuillet-Servais sector, which it held from August 10 to September 17.
La Malmaison.
4. It was at rest in the area of Crépy en Laonnois (Sept. 20 to Oct. 11). The division was filled up from the recruit depots of neighboring divisions, although they were not Westphalians (5th Reserve Division, 29th Division, and 103d Division). About the 11th of October it again went into line on the Chemin des Dames east of Laffaux mill. Beginning with October 15, it suffered heavy losses from our artillery preparation. On the 23d it underwent the French attack. (Losses: 47 officers and 1,548 men prisoners, including 2 regimental commanders, a third being killed.) The division may be considered as exhausted at the Mennejean Farm.
5. It was sent to the Sedan area and reorganized. About November 10 it received 1,000 men from Russia as replacements (men at least 35 years of age).
Meuse.
6. About December 18 it occupied the sector of the Bois de Malancourt-Haucourt (and was still there on Jan. 23, 1918).