The Duke of Wellington had corresponded with Dr. Curtis, the titular Roman Catholic Primate of Ireland, for many years. Indeed, as appears in the text, he had known him long before at Salamanca, when this prelate was at the Irish College there.
Charles Greville. The Greville Memoirs, volume 1
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Oceania has no capital, and its titular head is a person whose whereabouts nobody knows. Except that English is its chief lingua franca and Newspeak its official language, it is not centralised in any way.