Anglo-Irish Treaty

E21460

The Anglo-Irish Treaty was the 1921 agreement between Britain and Irish representatives that ended the War of Independence and established the Irish Free State as a self-governing dominion within the British Empire.


Statements (51)
Predicate Object
instanceOf bilateral treaty
international treaty
peace treaty
alsoKnownAs Treaty between Great Britain and Ireland
approvalVoteMargin 64 to 57
approvedBy Dáil Éireann
approvedOn 1922-01-07
archivedAt National Archives of Ireland
National Archives of the United Kingdom
BritishSignatory Austen Chamberlain
David Lloyd George
Hamar Greenwood
Laming Worthington-Evans
Lord Birkenhead
Winston Churchill
cameIntoForceOn 1922-12-06
chiefBritishNegotiator David Lloyd George
chiefIrishNegotiator Arthur Griffith
countrySignatory Irish Republic (revolutionary government)
United Kingdom of Great Britain and Ireland
createdEntity Irish Free State
definedStatusAs self-governing dominion within the British Empire
historicalPeriod Irish War of Independence
implementedBy Constitution of the Irish Free State
Irish Free State Constitution Act 1922
influenced evolution of Irish sovereignty
IrishSignatory Arthur Griffith
Eamonn Duggan
George Gavan Duffy
Michael Collins
Robert Barton
language English
ledTo Irish Civil War
legalSuccessor Statute of Westminster 1931 (regarding dominion autonomy)
negotiatedBy delegation of Dáil Éireann
delegation of the British government
opposedBy anti-Treaty IRA
Éamon de Valera
providedFor establishment of a Boundary Commission
option for Northern Ireland to opt out of the Irish Free State
partition of Ireland
retention of certain British naval bases (Treaty Ports)
withdrawal of British forces from most of Ireland
ratifiedBy British Parliament
required oath of allegiance to the British monarch
resultedIn end of the Irish War of Independence
establishment of the Irish Free State
signedAt 10 Downing Street
signedIn London
signedOn 1921-12-06
supportedBy pro-Treaty Sinn Féin faction


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