King Charles and Queen Camilla to make state visit to the US next month King Charles and Queen Camilla will make a state visit to the United States next month, Buckingham Palace has confirmed. 31 March 2026 King Charles and Queen Camilla will make a state visit to the United States next month. King Charles and Queen Camilla are set to visit the US in late April The royal couple will attend a state dinner at the White House - with the 77-year-old monarch making a speech to Congress - on a visit to mark the 250th anniversary of American independence and "celebrate the historic connections" betwe...