King Charles to Visit U.S. for America’s 250th Anniversary Amid Tensions

King Charles III’s first trip to the United States since his 2023 coronation is shaping up as a diplomatic stress test, with ceremony and symbolism being asked to steady a relationship strained by war, tariffs and political embarrassment.

Charles and Queen Camilla are scheduled to travel from Monday, April 27, to Thursday, April 30, for a four-day state visit centered on Washington, D.C., New York City and Virginia. Buckingham Palace has said the trip will mark America’s 250th anniversary and celebrate both the historic ties and the modern bilateral relationship between the United Kingdom and the United States.

The White House has said the visit is expected to include a private bilateral meeting, a White House state dinner and an address by Charles to a joint meeting of Congress. That gives both governments a chance to project continuity and warmth at a moment when the so-called special relationship has been under strain. It will also be the first U.S. state visit by a British monarch since Queen Elizabeth II’s 2007 visit to President George W. Bush.

The politics around the trip are already tense. Trump has criticized the British government over the war in Iran, and he has threatened a “big tariff” on the U.K. if it does not drop its digital services tax on U.S. tech companies. British Liberal Democrat leader Ed Davey has called for the visit to be canceled, arguing that it would reward Trump despite the fallout. The optics matter: both governments want the king’s appearance to signal stability, even as the underlying disputes remain unresolved.

The visit follows Trump’s own state visit to the U.K. in September 2025, when he was hosted at Windsor Castle. That exchange underscored the continued importance of the relationship, but also its fragility. Now, as Washington prepares to welcome the king for a celebration of American independence, lawmakers are also pressing Andrew Mountbatten-Windsor, formerly known as Prince Andrew, to testify before Congress about his friendship with Jeffrey Epstein, a separate source of potential embarrassment that could shadow the royal agenda.