Irish Republican Army
In the 60s, there were differences between the military and the Provisionals oriented rather Marxist-theory oriented Officials. This resulted 1969 to re-divide into Provisional Irish Republican Army PIRA and the "official" group OIRA, which is strong in the civil rights movement-oriented. The "official" wing of the IRA never formally dissolved, but is de facto since about 1980 is no longer relevant.