Northern Ireland national football team
In 1920, Ireland was partitioned into Northern Ireland and Southern Ireland. In 1922, Southern Ireland gained independence as the Irish Free State, later to become a republic under the name of Ireland. Amid these political upheavals, a rival football association, the Football Association of Ireland, emerged in Dublin in 1921 and organised a separate league and international team. In 1923, at a time when the home nations had withdrawn from FIFA, the FAI was recognised by FIFA as the governing body of the Irish Free State on the condition that it changed its name to the Football Association of the Irish Free State. The Irish FA continued to organise its national team on an all-Ireland basis.
History of Northern Ireland
Northern Ireland is one of the four countries of the United Kingdom (although it is also described by official sources as a province or a region), situated in the northeast of the island of Ireland. It was created as a separate legal entity on 3 May 1921, under the Government of Ireland Act 1920. The new autonomous Northern Ireland was formed from six of the nine counties of Ulster: four counties with unionist majorities and two counties, Fermanagh and Tyrone, which had slight Irish nationalist majorities (of 53.6 and 54.6 per cent respectively in the 1918 election). The remaining three Ulster counties with larger nationalist majorities were not included. In large part unionists, at least in the northeast, supported its creation while nationalists were opposed.