1941 marked the major turning point in the war in Europe, when the Germans violated the Molotov-Ribbentrop Non-Aggression Pact and undertook Operation Barbarossa - the invasion of the Soviet Union. Stalin was repeatedly informed by his own spies and anti-German countries that Germany was about to attack; he rejected the accurate reports and paid dearly for the blunder. The [[Great Purge]] of the 1938 also had decimated the Red Army's military leadership. | 1941 marked the major turning point in the war in Europe, when the Germans violated the Molotov-Ribbentrop Non-Aggression Pact and undertook Operation Barbarossa - the invasion of the Soviet Union. Stalin was repeatedly informed by his own spies and anti-German countries that Germany was about to attack; he rejected the accurate reports and paid dearly for the blunder. The [[Great Purge]] of the 1938 also had decimated the Red Army's military leadership. |