The death of Barbarossa: Episode 18

In December 1941, the German army meets its match: General Winter arrives. So do huge Soviet reinforcements, and the Wehrmacht's advance on Moscow halts and has to back up. 

Map 1: The Moscow Counter-Offensive, December 1941

 

Map 2: Tikhvin and Leningrad, Nobember 1941 

Sources:

David Glantz, Operation Barbarossa: Hitler's Invasion of Russia 1941. Stroud, Gloucestershire: The History Press, 2011

David Stahel, Operation Typhoon: Hitler's March on Moscow, October 1941. Cambridge, UK: Cambridge University Press, 2013.

David Stahel, Operation Barbarossa and Germany's Defeat in the East. Cambridge, UK: Cambridge University Press, 2009. 

Anthony Tucker-Jones, Slaughter on the Eastern Front: Hitler and Stalin's War 1941-1945. Stroud, Gloucestershire: The History Press, 2017.

Wikipedia, Timeline of World War II (1941). https://en.wikipedia.org/wiki/Timeline_of_World_War_II_(1941)