Second World War battlefield at dusk with soldiers, aircraft, smoke and ruined cities.

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The Second World War

From fragile peace to global war, WWII reshaped the world through conflict, genocide, and new power orders.

Start here9 stories · 1919 CE – 1945 CE

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Second World War battlefield at dusk with soldiers, aircraft, smoke and ruined cities.
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Modern · 1939 CE – 1945 CE

The Second World War

World War II became a global fight against dictatorship and genocide.

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Europe in the 1930s: marching columns, mass rallies, and the shadow of another war gathering over the continent.
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Modern · 1919 CE – 1939 CE

The Causes of the Second World War

The road to the Second World War ran through a flawed peace settlement, economic crisis, aggressive dictatorships, and repeated failures of collective security that allowed a regional crisis to become a global war.

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Berlin in the 1930s beneath Nazi banners and mass rallies
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Modern · 1933 CE – 1945 CE

Nazi Germany

Nazi Germany placed expansion and racial conquest at the centre of state policy, driving Europe into war and giving the conflict its distinctive combination of occupation, exploitation, and genocidal violence.

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Unemployed workers, police, blank campaign boards, newspapers, and anxious passersby crowd a rain-darkened late-Weimar street.
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Modern · 1919 CE – 1934 CE

The Rise of Adolf Hitler

Hitler's rise reveals how economic crisis, propaganda, political violence, and elite miscalculation destroyed German democracy and placed the machinery of a modern state in the hands of a radical dictatorship.

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The gatehouse of Auschwitz-Birkenau, the largest Nazi killing centre, photographed after liberation in 1945
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Modern · 1933 CE – 1945 CE

The Holocaust

The Holocaust grew from Nazi persecution into a continent-wide programme of mass murder, making genocide central to the history of the war rather than a separate atrocity unfolding alongside it.

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Carrier aircraft, burning ships, occupied cities, and island fighting across the vast Pacific war.
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Modern · 1931 CE – 1945 CE

The Pacific War

Across Asia and the Pacific, Japanese imperial expansion opened another vast theatre of occupation, naval warfare, and civilian suffering, turning the Second World War into a struggle that reached far beyond Europe.

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German columns moving east in 1941 as Soviet cities burn and civilians flee the widening front.
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Modern · 1940 CE – 1942 CE

Operation Barbarossa

Operation Barbarossa carried Nazi racial war into the Soviet Union, where rapid German advances gave way to mass killing, fierce resistance, and the immense Eastern Front that would consume the greater part of Hitler's armies.

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RAF fighters and German bombers over southern England as searchlights and fires mark the opening of the Blitz in 1940.
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Modern · 1940 CE

The Battle of Britain

Britain's air defence in 1940 denied Germany the control needed for invasion, checking Hitler's momentum and preserving the island base from which the western Allies would eventually return to occupied Europe.

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Allied troops landing in Normandy as landing craft open under fire and smoke rises across the coast in June 1944.
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Modern · 1943 CE – 1945 CE

D-Day and the Liberation of Europe

D-Day opened the long-awaited western front in France, beginning an Allied advance through occupied Europe that liberated cities, exposed Nazi crimes, and helped bring the war against Germany to its conclusion.

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