World War II
1939–1945 global conflict
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Key Takeaways
- World War II or the Second World War was a global conflict between two coalitions: the Allies and the Axis powers.
- Tanks and aircraft played major roles, the latter enabling the strategic bombing of cities and delivery of the only nuclear weapons used in war.
- Millions died in genocides, including the Holocaust, and by massacres, starvation, and disease.
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. Tanks and aircraft played major roles, the latter enabling the strategic bombing of cities and delivery of the only nuclear weapons used in war. World War II is the deadliest conflict in history, causing the death of over 60 million people. 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.
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