Winter War: The Red Army's advance on the Karelian Isthmus is stopped by Finns at the Mannerheim Line during the Battle of Taipale.

The Winter War was a war between the Soviet Union and Finland. It began with a Soviet invasion of Finland on 30 November 1939, three months after the outbreak of World War II, and ended three and a half months later with the Moscow Peace Treaty on 13 March 1940. Despite superior military strength,…