2. At the end of January the 50th Reserve Division came back into line north of the Ancre (Beaumont-Hamel); it lost heavily there (200 prisoners) on February 11.
3. Withdrawn from the Somme front at the beginning of March, it went into line east of Transloy (south of Bapaume) on March 13. It withdrew to the Hindenburg Line, near Metz en Couture (southwest of Cambrai), and remained there from the end of March to April 18.
Artois.
4. After a rest in the vicinity of Douai until the middle of May, the division took over the sector of Oppy-Gavrelle, northeast of Arras, where it did not take part in any important action (May 18 to June 10).
Flanders.
5. Transferred to the Ypres front about June 11, in anticipation of the British attack, it was kept in reserve in the vicinity of Roulers until July 24.
6. On July 31 the 50th Reserve Division went into action in St. Julien and suffered heavy losses while fighting for the possession of the village (Aug. 1–2).
7. Relieved on August 10 it was sent to rest in the vicinity of Mons and went back into line on September 20, was engaged on the 26th in the vicinity of Gheluvelt, and left the Ypres front on October 3, after serious losses—the 1st Company of the 231st Reserve Infantry Regiment was reduced to 15 men after September 21, the 6th Company to 28. (British Summary of Information, Oct. 24.)
Lille.
8. At the end of October it took over a sector in the vicinity of Lille (Fromelles) (until the middle of December).