(360th and 361st: Fourth District—Prussian Saxony. 362d: Ninth District—Schleswig—Holstein.)
1914.
The 4th Ersatz Division was organized in August, 1914, by grouping together brigade Ersatz Battalions coming from the Third, Fourth, and Ninth districts (Brandenburg Prussian-Saxony, Mecklenburg, Schleswig-Holstein, and Hansa towns).
Lorraine.
1. Detrained August 18 at Teterchen (Lorraine) and at the battle of the 20th the division was in the rear of the 2d Bavarian Corps. It fought on the 22d along the Marne-Rhine Canal between Einville and Dombasle, retreated on the 23d, suffered heavy losses on the 25th at Mazerulles, and engaged only a few units of its 9th Brigade in the attack on Nancy in September.
2. On September 15 the division went to rest west of Delme. On the 23d it entrained at Rening (Sarralbee-Benestroff line), passed through Metz, Luxemburg, Arlon, Marche, Liége, Louvain and detrained September 25, 1915, at Brussels.
Belgium.
3. From there it went to Bruges (Oct. 14), then Ostend (Oct. 16). On the 17th by the road along the coast it marched from Ostend to Nieuport (Oct. 30). It then went into the line in front of the Belgians on the right bank of the Yser (November).