Senate of Northern Ireland was created in 1921.
Northern Railway of Ireland ended in 1876.
Parliament of Northern Ireland ended in 1973.
HQ Northern Ireland ended in 2009.
Unity - Northern Ireland - ended in 1977.
Unionist Party of Northern Ireland ended in 1981.
Labour Party of Northern Ireland ended in 1987.
Northern Ireland Women's Coalition ended in 2006.
BBC Choice Northern Ireland ended in 2001.
National Democratic Party - Northern Ireland - ended in 1970.
Enniskillen - Northern Ireland Parliament constituency - ended in 1973.
Larkfield - Northern Ireland Parliament constituency - ended in 1973.