1. Between April 22 and April 27, 1915, the 46th Reserve Division, which was still holding the front north of Ypres, took part in the battles launched around Lizerne, Het-Sas, Steenstraat.
2. During the rest of the year 1915 and until March, 1916, the 46th Reserve Division (as well as the 45th Reserve Division) held the lines between Dixmude and Ypres, without any important action, with periods of rest in the vicinity of Bruges and Thourout.
1916.
St. Eloi-Wytschaete.
1. Relieved north of Ypres at the end of February, 1916, the 46th Reserve Division was transferred to Werwicq, from which place on March 14 it went to the sector of St. Eloi, near Messines.
2. The division lost very heavily in this sector, at the beginning of April. After a short period of rest it took over the same line from May to September.
Somme.
3. At the beginning of September it left the area south of Ypres to go to the Somme. It went into action on September 8 between Vermandovillers and the Chaulnes railroad and suffered rather heavy losses, especially during the French attack of September 17; the 2d Battalion of the 214th Reserve Infantry Regiment was almost completely destroyed (letter).
4. Sent behind the front for a short time, about October 8, in the vicinity of Ham, it came back into line on October 17–20 minus the 213th Reserve Infantry Regiment, which was transferred to the 207th Division, a new organization. It supported the attacks of the 21st, between Ablaincourt and Chaulnes wood, where certain of its units lost very heavily. After launching a counterattack on the 22d the division was relieved on October 24–25.