Operation Barbarossa was the largest military invasion in history, launched by Nazi Germany against the Soviet Union in 1941.

Here's the standard high school history class summary of the Soviet Union: The Union of Soviet Socialist Republics (USSR) was a communist state from 1922 to 1991 and was a big rival of the US from ...

pt. I. The tsarist period. 1. Russian science before 1800. 2. Science in nineteenth-century Russia. 3. Russian intellectuals and Darwinism -- pt. II. Russian science and a Marxist revolution. 4. The ...

In 1943, the Ferdinand Panzer gave Nazi Germany the advantage over the USSR’s T34 tanks–but the Soviets had the numbers. In response, the Wehrmacht put out training films to prepare their men for ...