Manchurian Crisis

1931

Sep 18, 1930

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.

September 19

Sep 19, 1931

Japanese forces begin a full-scale invasion of Manchuria, seizing key cities and territories.

September 30

Sep 30, 1931

The League of Nations receives the Chinese delegation's formal complaint against Japan's aggression in Manchuria.

1932

Feb 18, 1932

The League of Nations establishes a Commission to investigate the Manchurian situation.

March 24

Mar 24, 1932

The commission report was presented, condemning Japan's actions and recognizing China's territorial integrity.

May 4

Apr 4, 1932

Japan resigns from the League of Nations

June 14

Jun 14, 1932

The League adopts a resolution, calling for Japan's withdrawal from Manchuria and the restoration of Chinese sovereignty.

December 9

Dec 9, 1932

Japan recognizes Manchuria as an independent state

1933

Feb 27, 1933

Japan announces its withdrawal from the League of Nations

March 27

Mar 27, 1933

Japan completes its military occupation of Manchuria, solidifying its control over the region.