ULSTER UNIONIST PARTY

oldest and most successful Unionist party in Northern Ireland and the party of government in the province from 1921 to 1972. The UUP was a branch of the British Conservative Party until 1986. Its leader from 1995 was David Trimble. Paul Arthur Kimberly Cowell-Meyers Additional reading Useful treatments of recent trends in Unionism include Feargal Cochrane, Unionist Politics and the Politics of Unionism Since the Anglo-Irish Agreement (1997); and Norman Porter, Rethinking Unionism: An Alternative Vision for Northern Ireland, new ed. (1998). Paul Arthur