2. Relieved along the Somme about October 6, the division was sent south of Arras (Monchy aux Bois) on October 10. Some elements of the division were still engaged on both banks of the Ancre in November.
1917.
Hindenburg Line.
1. After having occupied the calm sector of Artois for the winter of 1916–17, the 26th Reserve Division took part in the withdrawal of the German troops about March 20. It left the front of Monchy aux Bois and retired southeast of Croisilles (Lagnicourt-Ecoust-St. Main). It fought along this line until April 7–13 and suffered some losses (Noreuil, Apr. 2).
2. After a rest of a month in the vicinity of Valenciennes, in the course of which it sent some elements south of St. Quentin (Itancourt, May 4–11), the 26th Reserve Division went back into line between Arras and St. Quentin (Bullecourt-Queant) about May 17.
Flanders.
3. On August 10 the division was withdrawn from the front and entrained at Aubigny au Bac (south of Douai) for Belgium. It went into action north of Langemarck (Aug. 19-Sept. 16). It was then sent to rest (vicinity of Bohain, northeast of St. Quentin) until October 14.
4. About October 17 the 26th Reserve Division went back into line north of Ypres (The Ypres-Staden railroad—Houthulst wood) until October 23.
5. Sent to rest south of Cortemarck, it was transferred at the end of October to Eerneghem, where it was first in reserve.
6. In the middle of November the 26th Reserve Division took over the calm sector of Merckem, which it occupied until February, 1918, after a short rest in the middle of December.