when did germany invade russia

Germany invaded Russia (the Soviet Union) on June 22, 1941. This invasion was code-named Operation Barbarossa and marked the beginning of a massive military campaign during World War II. It involved more than 3 million German soldiers along with troops from Germany's allies and aimed to conquer Soviet territory. The invasion was a surprise attack despite warnings to the Soviet Union and led to one of the largest and deadliest fronts in the war.