The Irish Republican Army was founded in 1919 in the uprising against British rule in Ireland.
The Real IRA, a splinter group of the Irish Republican Army, claimed responsibility for the attack.
In March 1979, a faction of the Irish Republican Army murdered Airey Neave, her campaign manager.
Irish Republican Army operatives are training the FARC's narco-terrorist guerillas in Colombia with Cuban and Venezuelan assistance.
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But first, the Irish Republican Army is to end its armed campaign against British rule in Northern Ireland.
Britain claims to be better-prepared for terrorism than America owing to years of threat from the Irish Republican Army.
In 1995, Gerry Adams, president of Sinn Fein, the political arm of the Irish Republican Army, arrived in New York.
The Irish Republican Army claimed responsibility, as part of their S-Plan campaign , encouraged by Nazi Germany, to disrupt Britain.
McGuiness was a firebrand leader of the Catholic Irish Republican Army (IRA).
The British also fought a seemingly unending war in Northern Ireland, which brought them hundreds of Irish Republican Army prisoners committed to violent resistance.
In 1975, Ross McWhirter, co-editor and compiler of the Guinness Book of World Records, was shot dead by Irish Republican Army gunmen at his home.
London and Dublin hope their document will result in a historic declaration from the Irish Republican Army (IRA) that it will abandon all paramilitary activity.
Just more than a month ago, a prison officer was killed in a suspected dissident Irish Republican Army attack, the first such attack in years.
The groups include the Basque separatist organisation ETA, Irish Republican Army dissidents and loyalist paramilitary groups from Northern Ireland, and the Greek far-left group November 17.
Those who track terror tactics say the United States could learn from Great Britain's experience with its train system and threats by the Irish Republican Army.
The Irish Republican Army made a formal declaration that it was ending its armed campaign to pursue peaceful politics, ending more than 30 years of violence.
He said they were looking for information that related to his work in the intelligence community in Northern Ireland, including information on an Irish Republican Army informer.
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The diplomatic community's rejection of Libya centred on Col Gaddafi's backing for a number of militant groups, including the Irish Republican Army and the Palestine Liberation Organisation.
Thatcher was the target of a hotel bombing in Brighton by the Irish Republican Army in 1984, and two of her close colleagues were killed in IRA attacks.
She also took a hard line against Irish Republicans, including against imprisoned hunger strikers, which led to a failed attempt to assassinate her in 1984 by the Irish Republican Army.
Protestant cleric Ian Paisley and Martin McGuinness of the Irish Republican Army's political ally, Sinn Fein, were sworn in as first minister and deputy minister, respectively, of the new government.
The killings helped fuel support for the Irish Republican Army during the early years of what became known as the Troubles, 30 years of violence between pro-British and pro-Irish forces.
The Irish Republican Army, unusually, endured for nearly a century, until economic conditions in Ireland significantly improved, and the leaders were pressured by their own members to reach a political accommodation.
The group is composed of Irish Republican Army dissidents.
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In 1988, the British government banned broadcast interviews with groups which expressed support for violence in Northern Ireland, provoking opposition charges it was handing a propaganda coup to the outlawed Irish Republican Army.
Their contacts, from the Basque separatists and Irish Republican Army nationalists perched in Cuba, to Lebanese and Palestinian groups funded or armed by Iran, make up a dishonour roll of the terrorist international.
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But the most popular accused culprit remains the Irish Republican Army (IRA), whom the Aga Khan and his syndicate of owners officially blamed for the kidnap, though authorities have never named a suspect.
International terrorists including Irish Republican Army murderers, Islamic extremists from the Middle East, and homegrown Latin American guerrillas, all operate extensively in South America, with encouragement and support from Fidel Castro's regime in Cuba.
This has been suspended for the past year, principally because the Irish Republican Army (IRA) refused to announce a definitive end to its long war against British rule in Northern Ireland (see table below).
The other threat is from people like the Real IRA (Irish Republican Army) -- unlike al Qaeda, the Real IRA are actually building 400-lb bombs, and these bombs are getting caught and intercepted due to intelligence operations.
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