King Charles, centre left, and U.S. President Donald Trump, centre right, review the guard of honour at Windsor Castle during Trump’s 2025 state visit to the U.K. on Sept. 17, 2025, in Windsor, England. Charles begins a state visit to the United States on Monday. (Kirsty Wigglesworth/Getty Images) There’s a private tea and a garden party. There’ll be two highly scrutinized speeches — one at a state dinner and one to the U.S. Congress. And after King Charles and Queen Camilla leave Washington, D.C., on their four-day U.S. state visitRead more