Question: The Irish Free State, (6 December 1922 - December 1937) was a state established in 1922 under the Anglo-Irish Treaty of December 1921, the treaty ended the three-year Irish War of Independence between the forces of which self-proclaimed revolutionary state that declared its independence from the United Kingdom of Great Britain and Ireland?
Sentence (from "Irish Republic"): The Irish Republic (Irish: "Poblacht na hÉireann" or "Saorstát Éireann" ) was a revolutionary state that declared its independence from the United Kingdom of Great Britain and Ireland in January 1919 (not to be confused with the proclamation of the Irish Republic that was a different Irish Republic or the Republic of Ireland Act 1948).
Relevant evidence: Yes