The most important group in this regard has been the [[terrorist]] [[Irish Republican Army]], commonly known as the [[IRA]]. The IRA was originally formed to fight the British during the War of Independence. Many IRA members refused to accept the Anglo-Irish treaty's partition of the island into two separate countries, leading to the bloody Irish Civil War of 1922-23, in which pro-treaty forces were victorious. However, the anti-treaty forces continued to refer to themselves as the IRA after the civil war concluded, and to consider themselves the legitimate government of Ireland. | The most important group in this regard has been the [[terrorist]] [[Irish Republican Army]], commonly known as the [[IRA]]. The IRA was originally formed to fight the British during the War of Independence. Many IRA members refused to accept the Anglo-Irish treaty's partition of the island into two separate countries, leading to the bloody Irish Civil War of 1922-23, in which pro-treaty forces were victorious. However, the anti-treaty forces continued to refer to themselves as the IRA after the civil war concluded, and to consider themselves the legitimate government of Ireland. |