League of Nations Timeline of Events

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League of Nations

The League of Nations was an intergovernmental organization founded as a result of the Paris Peace Conference that ended the First World War. It was the first permanent international organization whose principal mission was to maintain world peace...

Timeline of Events

1919

1.25.1919

The League of Nations is founded.

1920

1.10.1920

The League of Nations holds its first meeting, and ratifies the Treaty of Versailles, therefore ending World War I.

1.19.1920

The United States Senate votes against joining the League of Nations.

11.15.1920

First assembly of the League of Nations is held in Geneva.

1922

7.20.1922

The League of Nations awards mandates of Togoland to France and Tanganyika to the United Kingdom.

9.18.1922

Hungary is admitted to League of Nations.

1924

10.2.1924

The Geneva Protocol is adopted as a means to strengthen the League of Nations.

1926

6.14.1926

Brazil leaves the League of Nations

9.8.1926

Germany is admitted to the League of Nations.

1933

10.19.1933

Germany withdraws from the League of Nations.

10.21.1933

Adolf Hitler withdraws Nazi Germany from the League of Nations

1935

10.19.1935

The League of Nations places economic sanctions on fascist Italy for its invasion of Ethiopia.

1936

6.30.1936

Emperor Haile Selassie of Abyssinia appeals for aid to the League of Nations against Italy's invasion of his country.

1937

2.21.1937

The League of Nations bans foreign national "volunteers" in the Spanish Civil War.

12.11.1937

Second Italo-Abyssinian War: Italy leaves the League of Nations.

1938

9.30.1938

The League of Nations unanimously outlaws "intentional bombings of civilian populations".

1939

12.14.1939

Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.

1940

7.20.1940

Denmark leaves the League of Nations.

1946

4.8.1946

The last meeting of the League of Nations, the precursor of the United Nations, is held.