World War II: In the Battle of Moscow, Georgy Zhukov launches a massive Soviet counter-attack against the German army.

World War II or the Second World War was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated, with many nations mobilising all resources in pursuit of total war. Tanks and aircraft played major roles, enabling the strategic bombing of cities and delivery of the first and only nuclear weapons ever used in war. World War II is the deadliest conflict in history, causing the death of 70 to 85 million people, more than half of whom were civilians. Millions died in genocides, including the Holocaust, and by massacres, starvation, and disease. After the Allied victory, Germany, Austria, Japan, and Korea were occupied, and German and Japanese leaders were tried for war crimes.

The Battle of Moscow was a military campaign that consisted of two periods of strategically significant fighting on a 600 km (370 mi) sector of the Eastern Front during World War II, between October 1941 and January 1942. The Soviet defensive effort frustrated Hitler's attack on Moscow, the capital and largest city of the Soviet Union. Moscow was one of the primary military and political objectives for Axis forces in their invasion of the Soviet Union.

Georgy Konstantinovich Zhukov was a Soviet military leader who served as a top commander during World War II and achieved the rank of Marshal of the Soviet Union. During World War II, Zhukov served as deputy commander-in-chief of the armed forces under leader Joseph Stalin, and oversaw some of the Red Army's most decisive victories. He also served at various points as Chief of the General Staff, Minister of Defence, and a member of the Presidium of the Communist Party (Politburo).