The Queen in Ireland

Britain's Queen Elizabeth II signs the visitor's book at Aras An Uachtarain, the Irish President's official residence in Phoenix Park, Dublin, May 17, 2011. The Queen 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. Politicians on both side of the Irish Sea have described the four-day event as momentous.

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Credit: AP Photo/Mark Maxwell