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Incident occurs in Manchuria, where a section of the Japanese-controlled South Manchuria Railway is allegedly sabotaged. Japan uses this as a pretext to invade Manchuria. -
Japanese forces begin a full-scale invasion of Manchuria, seizing key cities and territories.
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The League of Nations receives the Chinese delegation's formal complaint against Japan's aggression in Manchuria.
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The League of Nations establishes a Commission to investigate the Manchurian situation.
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The commission report was presented, condemning Japan's actions and recognizing China's territorial integrity.
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Japan resigns from the League of Nations
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The League adopts a resolution, calling for Japan's withdrawal from Manchuria and the restoration of Chinese sovereignty.
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Japan recognizes Manchuria as an independent state
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Japan announces its withdrawal from the League of Nations
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Japan completes its military occupation of Manchuria, solidifying its control over the region.