Britain’s monarch, King Charles III, has urged the United States to strengthen cooperation with its Western allies, warning that growing global tensions threaten long-standing transatlantic relationships.
In a rare address to the U.S. Congress on Tuesday, Charles emphasised unity in the face of challenges including the conflicts involving Ukraine and Iran, which he said require collective action rather than isolated responses.
“The challenges we face are too great for any one nation to bear alone,” the monarch said, stressing the need for deeper collaboration between the United States and its traditional partners.
The speech, delivered during commemorations marking 250 years of American independence, carefully avoided direct reference to reported tensions between President Donald Trump and British Prime Minister Keir Starmer, instead highlighting the resilience of the historic alliance between both nations.
Charles called for “unyielding resolve” in securing a just and lasting peace in Ukraine, which has been at war with Russia since 2022.
He also reaffirmed the importance of NATO, underscoring its role in maintaining global security.
The address drew warm reactions from lawmakers, even as it touched on sensitive issues such as climate change, executive power, and international defence cooperation.
Earlier, President Trump welcomed the monarch and Queen Camilla to the White House, describing Britain as America’s closest ally.
“In the centuries since we won our independence, Americans have had no closer friends than the British,” Trump said, praising the enduring “special relationship” between the two countries.
The ceremonial reception featured a 21-gun salute, military honours, and a flypast, reflecting the significance of the visit despite underlying diplomatic strains.
In his address, Charles highlighted shared democratic traditions, describing Congress as a “citadel of democracy” and pointing to the enduring influence of the Magna Carta on American law.
He noted that the historic document has been cited in numerous US Supreme Court cases, reinforcing the principle that executive authority must remain subject to checks and balances.
“Our defence, intelligence and security ties are hardwired together,” he said, pointing to deep cooperation in areas such as security, trade, and technology.
The visit comes at a delicate time, with disagreements over foreign policy issues, including Iran, testing relations between Washington and London.
Despite this, both sides struck a conciliatory tone, with Trump describing the king as “a fantastic person” and the visit as “a real honour.”
The royal visit, which blends ceremony with diplomacy, is expected to conclude with a state dinner, as both nations seek to reinforce ties amid an increasingly uncertain global landscape.
