There are few parts of Northern Ireland that the Queen has not visited, mostly accompanied by Prince Phillip

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Queen Elizabeth II and the Duke of Edinburgh during a tour of Crumlin Road Gaol, Belfast, on day two of their visit to Northern Ireland. Photo: Liam McBurney

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Queen Elizabeth II smiles while listening to Organic Veg stall holder Simon Mathews as she tours St.Georges Market in Belfast, Tuesday June 24th, 2014. The Queen is on a 3 day tour of Northern Ireland. POOL Photo/Paul McErlane Photo: Paul McErlane

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Local people clap as Britain's Queen Elizabeth II and the Duke of Edinburgh tours St.Georges Market in Belfast, Tuesday June 24th, 2014. The Queen is on a 3 day tour of Northern Ireland. POOL Photo/Paul McErlane Photo: Paul McErlane

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Queen Elizabeth II and the her husband, the Duke of Edinburgh, during a visit to the Giant's Causeway on the Co Antrim coast during the second day of her visit to Northern Ireland to mark her 90th birthday. PRESS ASSOCIATION Photo. Picture date: Tuesday June 28, 2016. See PA story ROYAL Ulster. Photo credit should read: Niall Carson/PA Wire Photo: Niall Carson

