jun 22, 1941 - Operation Barbarossa

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Germany launched the invasion of the Soviet Union. This invasion, the biggest in recorded history, started the bloodiest conflict in world history; the Axis–Soviet War, also known as the Eastern Front. It is generally accepted as being the most lethal conflict in human history, with over 30 million dead as a result. It involved more land combat than all other World War II theatres combined.

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