Chatham House Chatham House The Royal Institute of International Affairs, commonly known as Chatham House, is a not-for-profit and non-governmental organisation based in London whose mission is to analyse and promote the understanding of major international issues and current affairs. It is the originator of the Chatham House Rule and takes its name from the building where it is based, a Grade I listed 18th-century house in St James's Square, designed in part by Henry Flitcroft and occupied by three British prime ministers, including William Pitt, 1st Earl of Chatham. In the University of Pennsylvania’s rankings (announced in January 2017) for their
Earl Ligonier 19 July 1776 the earldom was revived when he was made Earl Ligonier, of Clonmell in the County of Tipperary, in the Peerage of Ireland. The titles became extinct on his death on 14 June 1782. Earl Ligonier Earl Ligonier was a title that was created twice in British history, once in the Peerage of Great Britain and once in the Peerage of Ireland. The first creation came in the Peerage of Great Britain on 10 September 1766 in favour of the French-born soldier Field Marshal John Ligonier. The peerage was created with normal remainder to the heirs male of