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Analysis-King's visit to US shows UK playing long game in fixing strained ties

Published by Global Banking & Finance Review

Posted on April 29, 2026

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· Last updated: April 29, 2026

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Analysis-King's visit to US shows UK playing long game in fixing strained ties

King Charles' Visit Signals UK's Commitment to Long-Term U.S.-UK Relations

King Charles' Diplomatic Mission and the State of U.S.-UK Relations

By Kate Holton and Michael Holden

Royal Diplomacy in Action

LONDON, April 29 (Reuters) - King Charles' courting of President Donald Trump on his state visit will not repair the recent fraying of U.S.-British relations but underscores how London is playing a longer game in trying to preserve the historic alliance. 

Britain has routinely deployed the royal family to charm the mercurial U.S. president, hosting him for a lavish state visit last September and dispatching King Charles and Queen Camilla to Washington this week for the ‌250th anniversary of the U.S. Declaration of Independence from British rule.

Trump has repeatedly mocked and criticised British Prime Minister Keir Starmer in recent weeks over his refusal to back the Iran war, but diplomats and commentators said Charles' task was not so much to smooth political ties as to remind the American public and their politicians of the depth and longevity of the relationship.

Highlighting Enduring Ties

Nigel Sheinwald, Britain's ambassador to Washington between 2007 and 2012, said the king had used a rare and well-received address to Congress to highlight the web of bilateral ties across culture, security, defence and technology. 

"(He will) hope that some of it will have an enduring impact on his audiences, which are much wider than the administration and will go on much longer than the administration", Sheinwald told Reuters. 

The Context: Strained Relations

Worst Relations Since Suez

WORST RELATIONS SINCE SUEZ

The 77-year-old monarch's four-day visit comes against the backdrop of the worst relations between the two countries since the Suez Crisis in 1956, and amid broader strains between the Trump administration and its European allies.

Trump earlier this year threatened to seize Greenland - which is part of the kingdom of Denmark - and more recently has harshly criticised NATO allies for not sending their navies to help open the Strait of Hormuz, which Iran has effectively shut.

Charles' Address to Congress

In Tuesday's address to Congress, the highlight of his visit which ends on Thursday, Charles praised the U.S.-UK alliance while delivering several subtle rebukes to Trump, warning against the perils of becoming ever more inward-looking and promoting the need for peace and compassion in public life. 

"The king is a masterful diplomat," said one senior government official. 

In Australia, where Charles is also head of state, a column in the Sydney Morning Herald praised the "persuasive and incredibly sly" address for telling Trump what his many critics think he needed to hear.

Broader Mission Beyond Politics

But Mark Lyall Grant, Britain's former national security adviser and a career diplomat, said that while the events involving Trump were important, the broader mission of the king and queen was to address the American people on a trip that also includes stops in New York and Virginia.

"Just as there have been difficult relations at the political level in the past, the king symbolises the British state, and this visit therefore reminds the people of America, in particular, of what that relationship is and what it means to both countries," he said.   

Britain has long vaunted its close ties with the U.S. but the increasingly visible strains during Trump's second presidency - almost a decade after the UK voted to leave the European Union - have sparked a bout of introspection about how it should navigate a much more volatile world.

Changing Perceptions of the 'Special Relationship'

Not Special Anymore

NOT SPECIAL ANYMORE

Christian Turner, Britain's current ambassador to Washington, told a recent private event he did not like the term "special relationship" that was coined by wartime leader Winston Churchill because it harked back to the past.

The Foreign Office said the comments, reported by the Financial Times, were not government policy. 

Criticism and Challenges

Critics of the government have also argued that while Trump's tone may sometimes be offensive, he is not wrong to say that Britain, like other European nations, must spend more on defence if it wants to be taken seriously by global partners.

Diplomats and commentators said the deployment of royal "soft power" would not provide cover for Starmer's centre-left Labour government for long, but that it would help keep channels open while the prime minister works to get back onto a better footing with the right-wing U.S. president. 

"It's a perfect opportunity to keep the diplomatic channels open and to keep those conversations flowing," royal commentator Afua Hagan said. 

Historical Parallels and Hopes for the Future

Starmer will be hoping that Charles' visit will have worked the same magic for bilateral ties as the late Queen Elizabeth did in the immediate aftermath of the Suez crisis.

"When my mother visited in 1957, not the least of her tasks was to help put the "special" back into our relationship after a crisis in the Middle East," Charles said at Tuesday's state dinner at the White House.  

"Nearly seventy years on, it is hard to imagine anything like that happening today," he joked.

(Additional reporting by Elizabeth PiperEditing by Gareth Jones)

Key Takeaways

  • King Charles delivered a rare and widely applauded address to Congress on April 28, 2026, emphasizing enduring US‑UK ties, NATO unity, Ukraine support, climate action and democratic values (apnews.com).
  • The state visit comes at a low point in bilateral relations—widely described as the worst since the 1956 Suez Crisis—driven by disputes over the Iran war, trade threats, NATO scepticism and past Pentagon signals of punitive measures (atlanticcouncil.org).
  • Diplomats view the royal diplomacy as playing a long game: the king’s speech and presence aim less to win over the current administration and more to remind policymakers and the American public of the roots and resilience of the transatlantic alliance (atlanticcouncil.org)

References

Frequently Asked Questions

How does King Charles' US visit impact U.S.-UK relations?
The visit underscores the UK's long-term commitment to the historic alliance, focusing on public diplomacy rather than immediate political repair.
What role does the British royal family play in US-UK diplomacy?
The royal family is used as a diplomatic asset to highlight the depth and longevity of the relationship between the US and UK.
What issues have strained US-UK relations recently?
Relations have been strained by disagreements over foreign policy, defence spending, and responses to conflicts like the Iran war.
How did King Charles address the US Congress?
King Charles delivered a well-received speech accentuating the enduring U.S.-UK alliance while urging peace and global cooperation.
Is the 'special relationship' between the US and UK still relevant?
Some diplomats question the current relevance of the term, suggesting UK must adapt its approach in a changing global landscape.

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