St Patrick's Cathedral, Dublin
Saint Patrick's Cathedral () in Dublin, Ireland, founded in 1191, is the National Cathedral of the Church of Ireland. With its spire, St. Patrick's is the tallest church (not Cathedral) in Ireland and the largest. Christ Church Cathedral, also a Church of Ireland cathedral in Dublin, is designated as the local Cathedral of the diocese of Dublin and Glendalough.
St Patrick's Cathedral, Dublin
Over the following centuries, the two cathedrals functioned together in the diocese, until in the period of disestablishment of the Church of Ireland, the current designation of one as the "cathedral of Dublin and Glendalough", and one as the "National Cathedral", was developed.