1. At the beginning of the war the 1st Guard Reserve Division forming, together with the 3d Guard Division, the Guard Reserve Corps swept into Belgium—as part of the 2d Army under von Buelow—the 16th of August, crossed the Meuse at Ardenne (massacres) the 20th, and pushed on as far as Namur. On the 29th the two divisions (Guard Reserve Corps) were brought back to Aix-la-Chapelle, and left for east Prussia September 1.
Poland.
2. The beginning of October the Guard Reserve Corps, attached to the Southern Army Group, took part in the invasion of the southern part of Poland, fought at Opatow (Oct. 4), and suffered severe losses at Lodz while retreating from the Russian armies.
3. During the winter of 1914–15 it fought on the Bzura.
1915.
Poland.
1. In February, 1915, the Guard Reserve Corps was split up. The 1st Guard Reserve Division was sent to the north of the Vistula, in the Mlawa-Prasnysz region. By the 6th of March the 1st Guard Reserve Infantry Regiment had already had its thirty-ninth engagement there (letter).
2. In March the 93d Reserve Regiment was attached to the 4th Guard Division (new). During the summer of 1915 the 1st Guard Reserve Division was engaged in the operations to the north of the Vistula (von Gallwitz’s army).
Smorgoni.
3. The pursuit of the Russians brought the division as far as the neighborhood of Smogorni-Vishnev, where it took part in violent fighting and where it was relieved the middle of September.