On This Day

Anglo-Irish Treaty is signed; Ireland receives dominion status; partition creates Northern Ireland

The partition of Ireland (Irish: críochdheighilt na hÉireann) was the process by which the Government of the United Kingdom of Great Britain and Ireland (UK) divided Ireland into two self-governing...

The partition of Ireland (Irish: críochdheighilt na hÉireann) was the process by which the Government of the United Kingdom of Great Britain and Ireland (UK) divided Ireland into two self-governing polities: Northern Ireland and Southern Ireland. It was enacted on 3 May 1921 under the Government of Ireland Act 1920. The Act intended both territories to remain within the United Kingdom and contained provisions for their eventual reunification. The smaller Northern Ireland territory was created with a devolved government (Home Rule) and remained part of the UK.

Historical Significance

The partition of Ireland (Irish: críochdheighilt na hÉireann) was the process by which the Government of the United Kingdom of Great Britain and Ireland (UK) divided Ireland into two self-governing polities: Northern Ireland and Southern Ireland.

Key People

Michael Collins

revolutionary and politician

Irish revolutionary and politician

Events Before

  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

Events After

  1. British Columbia, Canada, starts driving on the right-hand side of the road

    British Columbia, Canada, starts driving on the right-hand side of the road

  2. Insulin is first used on humans when Frederick Banting injects 14-year-old Canadian Leonard Thompson to treat his diabet

    Insulin is first used on humans when Frederick Banting injects 14-year-old Canadian Leonard Thompson to treat his diabetes

  3. James Joyce's novel "Ulysses" is first published by Sylvia Beach in Paris (1,000 copies)

    Ulysses is a modernist novel by the Irish writer James Joyce. Partially serialised in the American journal The Little Review from March 1918 to December 1920, the entire work was published in Paris…

  4. American founder of the Chicago Bears football team George Halas (27) weds Minnie Bushing

    American founder of the Chicago Bears football team George Halas (27) weds Minnie Bushing

  5. Great Britain issues the Unilateral Declaration of Egyptian Independence, ending its protectorate over Egypt and grantin

    Great Britain issues the Unilateral Declaration of Egyptian Independence, ending its protectorate over Egypt and granting the country nominal independence while reserving control over military and diplomatic matters

More from the 1920s

Frequently Asked Questions

What happened on December 6, 1921?
The partition of Ireland (Irish: críochdheighilt na hÉireann) was the process by which the Government of the United Kingdom of Great Britain and Ireland (UK) divided Ireland into two self-governing polities: Northern Ireland and Southern Ireland. It was enacted on 3 May 1921 under the Government of Ireland Act 1920. The Act intended both territories to remain within the United Kingdom and contained provisions for their eventual reunification.
Why is Anglo-Irish Treaty is signed; Ireland receives dominion status; partition cre... significant?
The partition of Ireland (Irish: críochdheighilt na hÉireann) was the process by which the Government of the United Kingdom of Great Britain and Ireland (UK) divided Ireland into two self-governing polities: Northern Ireland and Southern Ireland.
Who was involved in Anglo-Irish Treaty is signed; Ireland receives dominion status; partition cre...?
Key figures include Michael Collins (revolutionary and politician).

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