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 "Anglo-Irish Treaty"): The Anglo-Irish Treaty (Irish: "An Conradh Angla-Éireannach" ), commonly known as The Treaty and officially the Articles of Agreement for a Treaty Between Great Britain and Ireland, was an agreement between the government of the United Kingdom of Great Britain and Ireland and representatives of the Irish Republic that concluded the Irish War of Independence.
Relevant evidence: No