I'll take it the question is not about the winter period, but the late summer/autumn offensive that ground to a halt in Stalingrad. First is that, past the Don, 6th Army relied on a single-track railroad. read more
The Germans couldn't take Stalingrad due to various reasons: The Red Army was better equipped for the Russian winter than the Germans. The Russians had appropriate wool clothing to bear this type of weather, the Germans simply froze. read more
The Battle of Stalingrad, between Germany and the Soviet Union, is considered not only the most important in World War II, but one of the most important in military history. The battle proved to be decisive for the Soviet Union and fundamentally changed altered the course of the war. read more