Irish language in Northern Ireland of the Irish language revival movement in Northern Ireland during the 1970s occurred on another site – the Maze Prison. For republican prisoners, learning the Irish language in prison (aka 'Jailtacht') became the way in which to set themselves apart from the British authorities. More widely, this use of the Irish language inspired many nationalists in Northern Ireland to use the language as a form of cultural expression and resistance from the so-called British occupation. In particular, the Irish language has been used extensively by the republican party Sinn Féin who have been criticised by unionists for hijacking the Irish
Mountjoy Prison helicopter escape thousand members of the Irish Defence Forces and Garda Síochána ensued. Mallon was recaptured at a Gaelic Athletic Association dance in a hotel near Portlaoise on 10 December 1973, and imprisoned in Portlaoise Prison. He escaped from there in a mass break-out on 18 August 1974, when nineteen prisoners escaped after overpowering guards and using gelignite to blast through the gates. He was recaptured in Foxrock in January 1975 and returned to Portlaoise Prison. O'Hagan was recaptured in Dublin in early 1975, and also imprisoned in Portlaoise Prison. After the end of his original twelve-month sentence, he was immediately arrested