Keywords: Territorial changes of Poland 1942.jpg Inaccurate-map-disputed Operation Barbarossa German Unternehmen Barbarossa was the code name for Nazi Germany's invasion of the Soviet Union during World War II that commenced on 22 June 1941 1011 Over 4 5 million troops of the Axis powers invaded the USSR along a 2 900 kilometer front 1800 miles 12 The operation was named after the Emperor Frederick Barbarossa of the Holy Roman Empire a leader of the Third Crusade in the 12th century The planning for Operation Barbarossa started on 18 December 1940; the secret preparations and the military operation itself lasted almost a year from the spring of 1940 through the winter of 1941 Own Created March 31 2009 Esemono Maps of Hungary during World War II Maps of the history of Poland Great Patriotic War Maps of the military history of Russia Maps of borders of the Soviet Union Territorial evolution of Poland World War II in 1942 Territorial growth maps of Russia |