History of the Republic of Ireland

The Irish state came into being in 1919 as the 32 county Irish Republic. In 1922, having seceded from the United Kingdom of Great Britain and Ireland under the Anglo-Irish Treaty, it became the Irish Free State. It comprised 26 counties with 6 counties under the control of Unionists which became Northern Ireland in 1921. Bunreacht na hÉireann 1937 constitution renamed the 26 states 'Ireland'. In 1949, only 26 counties explicitly became a republic under the terms of the Republic of Ireland Act 1948, definitively ending its tenuous membership of the British Commonwealth. In 1973 the Republic of Ireland joined the European Communities (EC) as a member state which would later become the European Union (EU).

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