Royal to marry Meghan Markle on May 19, 2018 at Windsor Castle 0SHARES Share Tweet Email PHOTO: PEOPLE LONDON: MPrince Harry’s wedding to American actor Meghan Markle could provide a £500 million boost to Britain’s economy as tourists flock to the country and Britons celebrate, according to an estimate. Harry, Queen Elizabeth’s grandson and fifth-in-line to the throne, will tie the knot with Markle on May 19, 2018 at Windsor Castle, the royal palace home of British kings and queens for almost 1,000 years. REUTERS/Alexi Lubomirski/Pool There were an extra 350,000 visitors to the UK in April 2011 when Harry’s elder brother William married his wife Kate compared to the same month the previous year, according to the Office for National Statistics. ‘The Crown’ actor wants Selena Gomez to play Meghan Markle on show Business valuation consultancy Brand Finance predicted a similar surge in May and in total, it estimates the nuptials will generate some £500 million ($680 million). “We think approximately £200 million will come from tourism, travel, hotels,” said the company’s chief executive David Haigh. About £150 million would be spent on people having parties and celebrating with £50 million coming from people buying T-shirts, hats and other commemorative…