Trump will be only the third U.S. president to have been accorded the honor of a state visit by Queen Elizabeth during her 67-year reign. Almost 1.9 million Britons signed a petition in 2017 saying he should not be given a state visit – a pomp-laden affair involving a carriage trip through London and a banquet at Buckingham Palace. Protests involving tens of thousands of demonstrators overshadowed his non-state trip to Britain last July.