1940,330,000 troops from Britain, France and Belgium were besieged by the Germans. Britain skillfully used the dense fog in the Dover Strait for two consecutive days to mobilize all domestic ships and evacuate all ships from Dunkirk to Britain safely.
1941June, German fascists suddenly launched a blitzkrieg against the then Soviet Union in an attempt to capture Moscow before the arrival of winter. It was cold at the beginning of this year, and the soldiers suffered from severe frostbite because the Germans did not prepare winter clothes and thick boots and socks. Even the gasoline was frozen, which made the tank armored forces lose power. The red army took advantage of the favorable conditions in winter to launch a comprehensive counterattack against Dekou, which caused the Germans to lose millions of troops.