Overview
The Irish Republican Army (IRA) is a name used by various paramilitary organisations in Ireland throughout the 20th and 21st centuries. Organisations by this name have been dedicated to anti-imperialism through Irish republicanism, the belief that all of Ireland should be an independent republic free from British rule.
The original Irish Republican Army (1919–1922), often now referred to as the "old IRA", was raised in 1917 from members of the Irish Volunteers and the Irish Citizen Army later reinforced by Irishmen formerly in the British Army in World War I, who returned to Ireland to fight against Britain in the Irish War of Independence. In Irish law, this IRA was the army of the revolutionary Irish Republic as declared by its parliament, Dáil Éireann, in 1919.
In the century that followed, the original IRA was reorganized, changed and split on multiple occasions, to such a degree that many subsequent paramilitary organisations have been known by that title – most notably the Provisional Irish Republican Army, which was a key participant during the Troubles in Northern Ireland. The contemporary IRA organisations each claim the sole right to the name, each insisting they are the original IRA's only legitimate descendant.
Overview of the IRAs
The playwright and former IRA member Brendan Behan once said that the first issue on any Irish organisation's agenda was "the split". For the IRA, that has often been the case. The first split came after the Anglo-Irish Treaty in 1921, with supporters of the Treaty forming the nucleus of the National Army of the newly created Irish Free State, while the anti-treaty forces continued to use the name Irish Republican Army. After the end of the Irish Civil War (1922–23), the IRA was around in one form or another for forty years, when it split into the Official IRA and the Provisional IRA in 1969. The latter then had its own breakaways, namely the Real IRA and the Continuity IRA, each claiming to be the true successor of the Army of the Irish Republic.
The Irish Republican Army (1919–1922), known as the "Old IRA", in later years, was recognized by the First Dáil as the legitimate army of the Irish Republic in April 1921 due to the fact that it had fought in the Irish War of Independence.
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