Status of the Irish language Northern Ireland, including Sinn Féin President Gerry Adams, learned Irish while in prison, a development known as the "Jailtacht". Although the language was taught in Catholic secondary schools (especially by the Christian Brothers), it was not taught at all in the controlled sector, which is mostly attended by Protestant pupils. Irish-medium schools, however, known as "Gaelscoileanna", were founded in Belfast and Derry and the Gaelscoileanna movement has since expanded to across much of Northern Ireland similar to its expansion in the Republic of Ireland. An Irish-language newspaper called "Lá" (later called "Lá Nua") produced by The Andersonstown News Group (later
Sinn Féin Féin (slogan)). The meaning of the name itself is an assertion of Irish national sovereignty and self-determination; i.e., the Irish people governing themselves, rather than being part of a political union with Great Britain (England, Scotland and Wales) under the Westminster Parliament. Around the time of 1969–1970, owing to the split in the republican movement, there were two groups calling themselves Sinn Féin; one under Tomás Mac Giolla, the other under Ruairí Ó Brádaigh. The latter became known as Sinn Féin (Kevin Street) or Provisional Sinn Féin, and the former became known as Sinn Féin (Gardiner Place) or Official Sinn