As the military power of the Soviet Union, the Red Army is at the center of the major military and political history of the 20th century. The origins of the Red Army can be found during the Russian Civil War in 1918, following the October Revolution. 
Under the leadership of Bolshevik leaders Vladimir Lenin and Leon Trotsky, the Red Army fought against the White Army and foreign intervention forces and played a critical role in maintaining Soviet power. Founding and Civil War The Red Army was founded in 1918 as the military force of the working and peasant classes. It initially consisted of volunteer units and was under strict political control to maintain discipline and order. During the Civil War, the Red Army won significant victories against White Army forces and foreign interventionists in various parts of the country. 
1920s and 1930s After the end of the Civil War, the Red Army was restructured to become a modern military force. With Stalin's coming to power in the 1930s, there was a purge of many high-ranking officers within the army. This period initiated a large-scale cleansing and restructuring process within the army. II. world War Red Army, World War II It played an important role against Nazi Germany during World War II. He achieved critical successes in major conflicts such as the Battle of Stalingrad and the Battle of Kursk. 
These victories were key factors that changed the course of the war and contributed to the rise of the Soviet Union as a superpower in Europe. Cold War Era Throughout the Cold War, the Red Army remained a counterweight to NATO forces. The military presence of the Soviet Union materialized with the creation of the Warsaw Pact and taking an active role in various regional conflicts. 
Collapse and Its Legacy Following the collapse of the Soviet Union in 1991, the Red Army was disbanded and independent states established their own armies as successors. The legacy of the Red Army can still be seen in the military doctrine of the modern Russian Federation and other former Soviet republics.
Source If you want to read more about the Red Army, you can check out these works:
"The Red Army and the Great Terror: Stalin's Purge of the Soviet Military" - Peter Whitewood "Stalin's War: A New History of World War II" - Sean McMeekin "Ivan's War: Life and Death in the Red Army, 1939-1945" - Catherine Merridale "The Road to Stalingrad: Stalin`s War with Germany, Volume One" - John Erickson "Armageddon in Stalingrad: September-November 1942" - David M. Glantz & Jonathan House These works will allow you to delve more deeply into the history, influences and important events of the Red Army.
Post-Cold War Impact After the dissolution of the Red Army, its legacy and tactics continued to be felt in the military doctrines and strategies of many former Soviet republics, especially Russia. The Red Army's experiences left a profound impact on modern warfare strategies and offer important lessons, especially in urban warfare and partisan tactics. 
Military Doctrine and Strategies The Red Army had a military structure that emphasized large land forces and armored tactics. Deep defense strategies developed against German tactics such as Blitzkrieg, World War II. It formed the basis of Soviet military doctrine during and after World War II. Additionally, the experiences gained during the war played an important role in the Soviets' development of their own military equipment and doctrine. Cultural and Social Impacts The Red Army became a cultural icon in the Soviet Union and around the world. Propaganda materials, films, music and literary works emphasized the heroism and sacrifices of the Red Army. These contents played an important role in shaping the national consciousness of Soviet citizens. Criticisms and Controversies The history of the Red Army is also full of controversial events. The purges, mass executions or exiles of soldiers and officers during the Stalin era had a profound impact on the morale and effectiveness of the army. Also, II. The crimes committed against the civilian population of occupied territories during World War II remain a dark stain on the legacy of the Red Army. Conclusion The history of the Red Army is central to understanding the most important military and political events of the 20th century. 
The rise and fall of the Soviet Union are closely related to the successes, defeats, and changing roles of the Red Army. This history plays a key role in understanding modern military strategy, international relations, and the history of the cold war era. This article provides a comprehensive review of the Red Army and offers a starting point for more in-depth studies on this topic.
