On This Day
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China becomes a member of the League of Nations

Between 1920 and 1946, a total of 63 countries became member states of the League of Nations. When the Assembly of the League of Nations first met, it consisted of 42 founding members.

Between 1920 and 1946, a total of 63 countries became member states of the League of Nations.

When the Assembly of the League of Nations first met, it consisted of 42 founding members. A further 21 countries joined between then and the dissolution of the League.

Since various nations left the League at different points, its full roster of 63 countries was never represented simultaneously. The League's greatest extent was from 28 September 1934 (when Ecuador joined) to February 1935 (when Paraguay withdrew) with 58 countries. At this time, only Costa Rica (December 1924), Brazil (June 1926), Japan (March 1933), and Germany (October 1933) had withdrawn, and only Egypt joined later (on 26 May 1937).

Historical Significance

Between 1920 and 1946, a total of 63 countries became member states of the League of Nations.

Events Before

  1. Last day of the Julian calendar in Finland; January 2 becomes January 14

    The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception).

  2. Russian Bolshevik Party is renamed the All-Russian Communist Party

    The Russian Social Democratic Labour Party (RSDLP), also known as the Russian Social Democratic Workers' Party (RSDWP) or the Russian Social Democratic Party (RSDP), was a socialist political party…

  3. Fearing foreign invasion, Vladimir Lenin shifts revolutionary Russia's capital from Petrograd (St. Petersburg) to Moscow

    Fearing foreign invasion, Vladimir Lenin shifts revolutionary Russia's capital from Petrograd (St. Petersburg) to Moscow

  4. American jazz musician Louis Armstrong (17) weds Daisy Parker (21); divorce in 1923

    American jazz musician Louis Armstrong (17) weds Daisy Parker (21); divorce in 1923

  5. German World War I fighter ace Baron Manfred von Richthofen aka "The Red Baron," is shot down and killed over Vaux-sur S

    German World War I fighter ace Baron Manfred von Richthofen aka "The Red Baron," is shot down and killed over Vaux-sur Somme in France. Canadian pilot Arthur Roy Brown is credited with the kill.

Events After

  1. Isaac Asimov is born

    Isaac Asimov, American writer and biochemist, known for american writer and biochemist, was born on 1920-01-02.

  2. Byelorussian Communist Organization is founded as a separate party

    The Byelorussian Communist Organisation was a communist group in Belarus, led by Usievalad Ihnatoŭski.

  3. League of Nations holds its first council meeting in Paris

    The League of Nations (LN or LoN; French: Société des Nations [sɔsjete de nɑsjɔ̃], SdN) was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace.

  4. First day of alcohol prohibition comes into effect in the US as a result of the 18th Amendment to the Constitution

    The Eighteenth Amendment (Amendment XVIII) to the United States Constitution established the prohibition of alcohol in the United States.

  5. Baseball Hall of Famer "Rube" Foster and seven other team owners create the first Negro National League (NNL) at a meeti

    Baseball Hall of Famer "Rube" Foster and seven other team owners create the first Negro National League (NNL) at a meeting in a Kansas City YMCA

More from the 1910s

birth

Hank Greenberg is born

Hank Greenberg, American athlete, known for american baseball player, was born on 1911-01-01.

Belgian mining law introduces a 9.5-hour workday

Belgian mining law introduces a 9.5-hour workday

First running of San Francisco's famed "Bay to Breakers" footrace (7.63 miles/12.3 km); Robert Vlught wins in 44:10

First running of San Francisco's famed "Bay to Breakers" footrace (7.63 miles/12.3 km); Robert Vlught wins in 44:10

The US Post Office begins parcel post delivery

The Bronx General Post Office (also known as the Bronx Central Post Office or Bronx Central Annex) is a historic post office building at 558 Grand Concourse in the South Bronx in New York City, New…

Frequently Asked Questions

What happened on September 10, 1919?
Between 1920 and 1946, a total of 63 countries became member states of the League of Nations. When the Assembly of the League of Nations first met, it consisted of 42 founding members. A further 21 countries joined between then and the dissolution of the League.
Why is China becomes a member of the League of Nations significant?
Between 1920 and 1946, a total of 63 countries became member states of the League of Nations.

Explore More

September 10 in HistoryYear 1919