- Category talk:1921 in Northern Ireland
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- Category talk:1923 in Northern Ireland
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- Category talk:1939 in Northern Ireland
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- Category talk:1953 in Northern Ireland
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- Category talk:1963 in Northern Ireland
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- Category talk:1976 in Northern Ireland
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- Category talk:1978 in Northern Ireland
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- Category talk:2005 in Northern Ireland
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- Category talk:2007 in Northern Ireland
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- Category talk:20th century in Northern Ireland
- Category talk:21st century in Northern Ireland
- Category talk:Acts of the Northern Ireland Assembly
- Category talk:Acts of the Parliament of Northern Ireland
- Category talk:Ards F.C. players
- Category talk:Armagh Gaelic footballers
- Category talk:Ballymena United F.C. managers
- Category talk:Ballymena United F.C. players
- Category talk:Ballymena United F.C.
- Category talk:Bangor F.C. players
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- Category talk:British Home Championships
- Category talk:British history timelines
- Category talk:British-Irish relations
- Category talk:Buildings and structures in Northern Ireland
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- Category talk:Centuries in Ireland
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- Category talk:Coleraine F.C.
- Category talk:Conservation in Northern Ireland
- Category talk:Constituencies of Northern Ireland
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- Category talk:Crusaders F.C. players
- Category talk:Defunct Northern Ireland football clubs
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- Category talk:Derry Gaelic footballers
- Category talk:Disambiguation Northern Ireland-related articles
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- Category talk:Dual Irish international footballers
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- Category talk:Fermanagh Gaelic footballers
- Category talk:Football clubs in Derry
- Category talk:Football in Northern Ireland
- Category talk:Football managers in Northern Ireland
- Category talk:Football venues in Northern Ireland
- Category talk:Footballers in Northern Ireland by club
- Category talk:Gaelic Athletic Associations in Northern Ireland
- Category talk:Geography of Northern Ireland
- Category talk:Glentoran F.C. players
- Category talk:Glentoran F.C.
- Category talk:Government of Northern Ireland
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- Category talk:Images of Northern Ireland
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- Category talk:Linfield F.C.
- Category talk:Lisburn Distillery F.C. players
- Category talk:Lisburn Distillery F.C.
- Category talk:Lists of Irish people
- Category talk:Maps of Northern Ireland
- Category talk:Mayors of places in Northern Ireland
- Category talk:Northern Ireland B international footballers
- Category talk:Northern Ireland MLAs 2007-
- Category talk:Northern Ireland Railway locomotives
- Category talk:Northern Ireland geography stubs
- Category talk:Northern Ireland international footballers
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- Category talk:Northern Ireland national football team templates
- Category talk:Northern Ireland national football team
- Category talk:Northern Ireland stubs
- Category talk:Northern Ireland under-21 international footballers
- Category talk:Northern Ireland-related lists
- Category talk:Northern Ireland
- Category talk:Northern Irish Jews
- Category talk:Northern Irish Nobel laureates
- Category talk:Northern Irish actors
- Category talk:Northern Irish boxers
- Category talk:Northern Irish culture
- Category talk:Northern Irish expatriates in Canada
- Category talk:Northern Irish expatriates
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- Category talk:Northern Irish football club stubs
- Category talk:Northern Irish football clubs
- Category talk:Northern Irish football competitions
- Category talk:Northern Irish football managers
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- Category talk:Northern Irish football squad templates
- Category talk:Northern Irish footballers who played for an FAI XI
- Category talk:Northern Irish footballers
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- Category talk:Northern Irish immigrants to Canada
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- Category talk:Northern Irish law
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- Category talk:Parliament of Northern Ireland
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- Category talk:People from Ballymena
- Category talk:Politics of Northern Ireland
- Category talk:Portadown F.C. players
- Category talk:Portadown F.C.
- Category talk:Pre-1950 IFA international footballers
- Category talk:Public houses in Northern Ireland
- Category talk:Religion in Northern Ireland
- Category talk:Roman Catholic schools in Northern Ireland
- Category talk:Scots-Irish Americans
- Category talk:Sport in Northern Ireland
- Category talk:Synagogues in Northern Ireland
- Category talk:The Troubles in Northern Ireland
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- Category talk:Tyrone GAA club championships
- Category talk:Tyrone Gaelic footballers
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- Category talk:Ulster
- Category talk:WikiProject Northern Ireland categories
- Category talk:Years in Northern Ireland
- Category talk:Years in the Irish Republican Army