When World War I broke out in 1914, the 198th Infantry Regiment was stationed in Vologda, part of the 50th Infantry Division of the 22nd Army Corps, which was headquartered in St Petersburg. It fought in the Battle of Łódź early on in the war and later took part in the fighting near Warsaw during Battle of the Vistula River. In 1916 the regiment fought in the Brusilov Offensive on the Southwestern Front against Austria-Hungary. During that time the regiment was part of the 1st Army, 2nd Army, and 4th Army.