King Charles III will address a joint meeting of the United States Congress on April 28, 2026 — the first time a British monarch has spoken before that body since Queen Elizabeth II stood at that same podium in May 1991. The announcement, issued jointly on April 1 by House Speaker Mike Johnson, Senate Majority Leader John Thune, Senate Minority Leader Chuck Schumer, and House Minority Leader Hakeem Jeffries, frames the occasion as a celebration of the 250th anniversary of American independence and of the enduring special relationship between Washington and London. But the ceremony arrives at one of the most fraught moments in that relationship in decades, with the two governments at open odds over the ongoing U.S.-Israeli war against Iran and the future of NATO.
A Rare and Historically Weighted Gesture
When Queen Elizabeth II addressed Congress in May 1991, she became the first British monarch ever to do so, speaking in the aftermath of the Gulf War as the United States stood at the peak of its post–Cold War influence. Charles's forthcoming address will be only the second time any British royal has entered the House Chamber to speak — and the first in 35 years.
The invitation came from the bipartisan congressional leadership in a formal letter. According to the official announcement published by Speaker Johnson's office, the leaders wrote: "This year, the United States will mark the 250th anniversary of its independence. As we celebrate this historic milestone and recommit ourselves to the principles upon which our nation was founded, we also recognize that the American experiment endures in no small part because of the British tradition from which it sprang. We believe an Address to Congress will provide a unique opportunity to share your vision for the future of our special relationship and reaffirm our alliance at this pivotal time in history."
President Trump confirmed on his Truth Social network that the state visit will run from April 27 to 30, with a White House banquet dinner on the evening of April 28. Trump posted: "Melania and I are pleased to announce that Their Majesties, the King and Queen of the United Kingdom, will visit the United States for a Historic State Visit from April 27-30th, which will include a beautiful Banquet Dinner at the White House on the evening of April 28th. This momentous occasion will be even more special this year, as we commemorate the 250th Anniversary of our Great Country. I look forward to spending time with the King, whom I greatly respect. It will be TERRIFIC!"
According to reporting by CBS News and ABC News, the visit marks the first state visit by a British sovereign to the U.S. since Queen Elizabeth II's tour in 2007, and Charles's first visit to the United States as reigning monarch.
The Backdrop: NATO Tensions and a War Britain Won't Join
The pomp and protocol of the occasion cannot fully obscure the friction underneath. The announcement came on the same day that Trump, in an interview with a U.S. outlet covered by ABC News, said he is considering pulling the United States out of NATO — the same alliance of which the United Kingdom is a founding member.
Britain has declined to participate in U.S.-Israeli military operations against Iran. British Prime Minister Keir Starmer has held that position publicly and explicitly. At a press conference on April 1, Starmer told reporters: "I have to act in our national interests. This is not our war." He acknowledged what he described as "a good deal of pressure" to change that stance, saying he would not do so.
Trump has not been shy about his frustration with that position. On April 1, just hours before the state visit announcement, Trump posted on Truth Social: "All of those countries that can't get jet fuel because of the Strait of Hormuz, like the United Kingdom, which refused to get involved in the decapitation of Iran, I have a suggestion for you: Number 1, buy from the U.S., we have plenty, and Number 2, build up some delayed courage, go to the Strait, and just TAKE IT." U.S. Defense Secretary Pete Hegseth separately told reporters: "Last time I checked, there was supposed to be a big, bad Royal Navy that could be prepared to do things like that," according to The Guardian's reporting.
Trump had previously described British aircraft carriers as "toys" — remarks that drew significant attention in the United Kingdom and amplified the debate over whether the visit should proceed at all.
British Opposition: "A Humiliation"
Inside Britain, the reaction has been sharply divided. The Guardian reported that Buckingham Palace confirmed the visit will proceed "on advice of his majesty's government, and at the invitation of the president of the United States" — a formulation that places responsibility squarely on Starmer's government rather than the Crown.
Liberal Democrat leader Ed Davey said Starmer had shown he was "not prepared to stand up to the US president," adding: "To send the king on a state visit to the US after Trump dismissed our Royal Navy as 'toys' is a humiliation, and a sign of a government too weak to stand up to bullies." The chair of the foreign affairs select committee, Emily Thornberry, said previously it would be "safer to delay" the visit, warning that Charles and Camilla could be left feeling "embarrassed" by the context. Green Party leader Zack Polanski went further, saying the prime minister "must end this involvement in Iran and stop the king's visit to the USA."
Labour backbencher John McDonnell said Trump would "inevitably do all he can to use this for his own personal publicity purposes in advance of the US elections," arguing there was "no gain" from the visit. Former shadow defence secretary Clive Lewis described the decision to proceed as "a profound misreading of the moment," telling The Guardian: "No one disputes the need for diplomacy with the US. That is realpolitik. But rolling out a state visit in the middle of an illegal war, led by a man doing profound damage to democratic norms, is not diplomacy."
By the time of The Guardian's reporting, more than 140,000 people had sent letters to Buckingham Palace via the campaign platform 38 Degrees calling on the king to cancel the trip. The king, who takes part in state visits at the direction of the government, has no formal power to decline.
The 250th Anniversary Context
Stripped of the current conflict, the occasion carries genuine historical resonance. The United States will formally mark the 250th anniversary of its Declaration of Independence in 2026, with the commemorative date of July 4 serving as the year's central milestone. The April 28 congressional address is positioned as an early centerpiece of those celebrations — a moment in which the nation from which America declared independence formally acknowledges the anniversary in Washington's most symbolic chamber.
The parallel to 1991 is instructive. Queen Elizabeth II's address came weeks after the conclusion of the first Gulf War, a conflict in which the United Kingdom served as a core coalition partner alongside the United States. Charles's address arrives during an ongoing conflict in which Britain has pointedly declined to participate. The symbolism of both occasions is freighted in opposite directions.
According to the House of Representatives History, Art & Archives, Queen Elizabeth II was greeted with a standing ovation in 1991. Whether Charles receives a comparable reception — or whether the partisan and geopolitical crosscurrents of 2026 complicate the optics in the chamber — will itself become part of the historical record.
What the Address Will and Won't Resolve
Congressional leaders from both parties signed the letter of invitation, making it a notably bipartisan gesture at a moment when bipartisanship in Washington is rare. Johnson posted on X that the United States and United Kingdom "share one of the most consequential partnerships in history," according to ABC News. That framing is accurate as far as it goes — the two nations' intelligence-sharing, military coordination, and economic ties run deep, regardless of the current rhetorical friction at the top.
What the address cannot do is resolve the underlying tension over Iran, NATO burden-sharing, or Trump's stated interest in withdrawing from the alliance. Starmer's government has calculated that continued diplomatic engagement — including this visit — is preferable to a rupture, even if it means enduring public criticism at home. That calculation may prove correct or it may not, but it reflects a view that the bilateral relationship is too consequential to allow to deteriorate over a single conflict, however significant.
For Charles personally, the address represents a set of constraints unlike anything his mother faced in 1991. The king is constitutionally required to remain politically neutral on domestic matters. His capacity to make meaningful statements about the Iran war, NATO, or the diplomatic environment without either embarrassing his government or antagonizing his host will test the conventions of royal speechmaking in unfamiliar ways.
Whatever Charles says on April 28, the fact of his presence before Congress at this particular moment — the war still underway, the alliance under strain, a U.S. president who called the Royal Navy's ships "toys" waiting to host him for dinner — will itself speak louder than any prepared remarks. The speech is already historic. Whether it is useful will take longer to determine.