The Queen in Ireland

Britain's Queen II inspects an Irish Guard of Honour after arriving at Aras an Uachtarain, the Irish President's official residence), in Phoenix Park, Dublin, May 17, 2011. The Queen, accompanied by Prince Philip, Duke of Edinburgh, set foot on Irish soil at the start of a historic state visit which will herald a new era in relations between Britain and the Republic. It is the first by a British monarch since 1911. Politicians on both side of the Irish Sea have described the four-day event as momentous

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Credit: Oli Scarff/Getty Images