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World War II - Wikipedia
World War II | Facts, Summary, History, Dates, Combatants,
BBC - History: World War Two
World War II: Summary, Combatants & Facts | HISTORY
World War II: Causes and Timeline | HISTORY
Causes, events, and casualties of World War II | Britannica
BBC - History - World War Two: Summary Outline of Key Events
World War II Facts | Britannica
World War II - Wikiwand
World War II: In Depth | Holocaust Encyclopedia