1916.
1. Having lost heavily at Neuville-St. Vaast, the 50th Reserve Division was withdrawn from this sector in March, 1916, and south of Armentières (Grenier wood), from April to September. It rested in this calm sector.
Somme.
2. About December 16 the division was relieved and went into action on the Somme (Martinpuich-Flers), from September 20 to 28. It suffered very heavily there.
3. From October 6 to November 11 it occupied the sector south of the canal of La Bassée (northeast of Vermelles).
4. The division returned to the Somme, on both banks of the Ancre (near Miraumont, Grandcourt), about November 20, and remained in this active sector until December 22.
5. At the end of December it went to rest in the vicinity of Valenciennes.
1917.
1. In January, 1917, the elements of the 50th Reserve Division were in reserve at Achiet le Petit.