The 3rd Guards Infantry Division began the war on the Western Front, participating in the capture of Namur. It was transferred to the Eastern Front in September 1914, and saw action on arrival in the First Battle of the Masurian Lakes. It then fought in the Battle of Łódź. It continued fighting in the Carpathians and Galicia and then participated in the Gorlice-Tarnów Offensive. The division returned to the Western Front in April 1916 and entered the trenches in the Champagne region. In July 1916, it fought in the Battle of the Somme. At the beginning of September 1916, the division was again sent to the Eastern Front, returning in November. In 1917, it participated in the Battle of Arras and the Battle of Passchendaele. It then fought against the Allied tank attack in November 1917 in the Battle of Cambrai. In 1918, it fought in the German spring offensive. During the subsequent Allied offensives and counteroffensives, the division faced the French and Americans at Aisne-Marne and in the Meuse-Argonne Offensive. The division was rated as one of the best German divisions by Allied intelligence.