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An assassin's bullet starts a global conflict that escalates into a deadly war; a new generation of soldiers emerges, including future world leaders such as Winston Churchill, Charles De Gaulle, Adolf Hitler, Benito Mussolini, and Joseph Stalin; tanks and chemical weapons enter the battlefield.

The Allies turn Germany away from France; leaders are dissatisfied with the Treaty of Versailles; Germany's economy collapses with the end of the war; Adolf Hitler begins his rise to power.

The entire world plunges into an economic depression; Josef Stalin seizes power; Japan makes plans to dominate Asia; Adolf Hitler begins taking back the territory Germany lost.

Hitler takes over Czechoslovakia; Stalin and Hitler sign a shocking pact; Churchill rises to Prime Minister as Hitler invades Poland; Hitler betrays Stalin; the United States is threatened by Japan's increasingly bold actions near the United States-controlled Philippines.

Stalin, Churchill and Roosevelt meet to discuss an invasion of Europe; D-Day is launched and the Allies defeat Hitler on the beaches of Normandy; Hitler tries to retaliate; the war ends when Hitler commits suicide.