World War II: Crash Course European History

John Green discusses the events leading to and during World War II, starting with the 1939 non-aggression pact between the USSR and Germany. The video covers the outbreak of the war with Germany's invasion of Poland, the Battle of Britain, and the expansion of Axis powers. It details Germany's invasion of the Soviet Union, Japan's attack on Pearl Harbor, and the global conflict that ensued. Key turning points like the Battle of Stalingrad and strategic decisions by the Allies are highlighted. The video concludes with the fall of Berlin, the end of the war in Europe, and reflections on the war's impact.

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