The Soviet Fourth Army was a military formation of the Red Army during the Russian Civil War and later in World War II. Established in 1918, it played a significant role in various battles, including the defense of Stalingrad. The army was known for its strategic importance in the Eastern Front. During World War II, the Soviet Fourth Army was involved in key operations against the Nazi German forces. It participated in the Battle of Kursk and contributed to the overall Soviet offensive that led to the liberation of occupied territories. The army's efforts were crucial in turning the tide of the war in favor of the Allies.