Flanders.
1. At the beginning of January, 1915, the 86th Reserve Brigade was in line at Westende.
2. About the end of February the 43d Reserve Division was reconcentrated and then sent to rest in the vicinity of Menin-Roulers until April 25.
Artois.
3. In May elements of the division were holding the sector Bixschoote-Boesinghe (North of the Ypres salient). Another part of the division was sent as a reenforcement north of Arras (Souchez) to oppose the French offensive. The 202d Reserve Infantry Regiment lost 76 officers and 1,320 men at Notre Dame de Lorette (Official List of Casualties).
Russia.
4. About the beginning of July the 86th Reserve Brigade was transferred to Russia and took part in the offensive of Mackensen in Poland. Between May 15 and September 29 the 204th Reserve Infantry Regiment listed as casualties 63 officers and 3,511 men. (Official List of Casualties.)
Champagne-Serbia.
5. The 85th Reserve Brigade, sent to Lorraine (Xivray), then to Woevre (July to September), took part in the battle of Champagne (end of September), and then rejoined the rest of the division in Serbia, where the 43d Reserve Division took part in the campaign in October.