1915.
In January, 1915, the division was increased by the 39th Landwehr Infantry (Westphalian), coming from Brussels and sent as punishment to the Artois front. In March and April two of its regiments were transferred, the 6th Reserve to the 10th Bavarian Division, and the 13th to the 11th Bavarian Division.
Artois.
1. May 9, 1915, the division suffered very heavy losses during the French offensive of Carency-Souchez. (The 10th Reserve Infantry lost 35 officers and 1,711 men, the 1st Reserve Bavarian Battalion of Chasseurs lost 13 officers and 750 men.)
2. In the middle of June the division was moved south of the Scarpe in front of Arras (Blangy sector).
1916.
In January, 1916, the 39th Landwehr Infantry went to Russia.
1. The division remained in Artois until August, 1916, and was increased by a regiment from the 1st Bavarian Division (3d Reserve Infantry later replaced by the 12th Reserve Infantry).
Somme.
2. Relieved about August 7, the division was sent to the Somme and was engaged near Maurepas from the middle of August to September. Heavy losses. August 19 the 2d Battalion of the 10th Reserve Infantry was reduced to 150 men (letter). September 1 the 3d Battalion of the 7th Reserve Infantry borrowed 200 men from the 5th Bavarian Ersatz (letter).