Battle of Stalingrad, (July 17, 1942–February 2, 1943), successful Soviet defense of the city of Stalingrad (now Volgograd), Russia, U.S.S.R., during World War II. Russians consider it to be one of ...

Operation Barbarossa, original name Operation Fritz, during World War II, code name for the German invasion of the Soviet Union, which was launched on June 22, 1941. The failure of German troops to ...