She travelled to Washington DC for the first time to meet president Harry Truman in 1951 when she was still a princess. Since then she’s met a total of 13 US American presidents at places including Buckingham Palace, the White House and even a Baltimore Orioles game.

They attended several distinctly British meet-and-greet opportunities, including tea with heir Prince Charles, a banquet at Buckingham Palace, a tour of Westminster Abbey and a D-Day anniversary ceremony, most of which was alongside royalty.

Here’s what the queen’s relationships and meetings with US presidents have been like, from Harry Truman to Donald Trump.

Harry Truman

When Queen Elizabeth was still a princess in 1951, she travelled to Washington for her first meeting with president Harry Truman. The two complimented each other’s nations: “Free men everywhere look towards the United States with affection and with hope,” she told Truman.

Dwight Eisenhower

The queen developed a close friendship with president Dwight Eisenhower, who hosted her for her first state visit to the US as queen. They corresponded by letter for years – with the queen even sharing her recipe for grilled scones with Eisenhower.

John F. Kennedy

The queen reportedly felt upstaged and outshone by Jacqueline Kennedy when she and president Kennedy toured France and England in the summer of 1961. The queen hosted them at Buckingham Palace.

Nevertheless, Queen Elizabeth and president Kennedy corresponded warmly until his death in 1963, after which the queen created a physical memorial and a scholarship fund in Kennedy’s honour.

Richard Nixon

President Nixon met the queen multiple times in his position as first vice-president and then president – and reportedly tried to fix his daughter Tricia up with Prince Charles, the queen’s eldest son.

Gerald Ford

President Gerald Ford hosted Queen Elizabeth and Prince Phillip for a state dinner. “If I hadn’t kept mixing up ‘Your Highness’ and ‘Your Majesty’ [he’s His Highness, she’s Her Majesty] I’d give myself four stars for the way that visit went off.”

First lady Betty Ford wrote of the dinner in her memoirs. Outside the occasion’s formalities, the Fords had a humorous moment with the queen during the 1976 visit that involved their 24-year-old son, Jack.

Kate Andersen Brower, author of First Women: The Grace and Power of America’s Modern First Ladies, told CNN that when the Fords brought the queen and Prince Philip to the residence before the visit’s dinner, they ran into Jack, who was wearing jeans and a T-shirt.

The queen reassured the first lady about the run-in, saying: “Don’t worry, Betty, I have one of those at home, too.”

Jimmy Carter

President Jimmy Carter committed an infamous faux-pas in kissing the queen mother on the lips during his visit to Buckingham Palace to attend a Nato event.

Ronald Reagan

Queen Elizabeth developed a close relationship with president Ronald Reagan, with whom she shared a love of horseback riding.

The queen was reportedly very friendly with both Nancy and Ronald Reagan, whose family ranch she visited in 1983.

Brower told CNN that the first lady wrote about the queen in her memoir and the two “had a good relationship”.

Reagan wrote that the queen came to the ranch after she and her husband had mentioned it during a visit to Windsor Castle, and the queen wanted to ride horses.

Though the queen made it to the ranch, “the weather was awful, so instead the Reagans left the ranch to go on the royal yacht Britannia,” Brower told CNN.

Despite the change of plans, Reagan wrote: “I spent that evening with the queen, sitting on a sofa in the large living room, talking about our children like old friends.”

In 1989, the queen granted Reagan an honorary knighthood – the highest distinction the UK awards foreigners – in recognition of his help during the Falkland War.

George H.W. Bush

A lifelong baseball fan, George Bush took Queen Elizabeth and Prince Phillip to a Baltimore Orioles vs. Oakland Athletics game in 1991 – the first time the queen had been to a baseball game.

After President Bush died in December 2018, the queen put out a statement that honoured him as “a great friend and ally of the United Kingdom” and a “patriot”. She also sent Prince Charles to represent the royal family at his funeral.

Bill Clinton

“Her Majesty impressed me as someone who but for the circumstance of her birth, might have become a successful politician or diplomat. As it was, she had to be both, without quite seeming to be either,” President Bill Clinton wrote of the queen in his memoir.

George W. Bush

In 2007, Queen Elizabeth poked some lighthearted fun at George W. Bush over his mistakenly saying she had to come to celebrate America’s bicentennial in 1776 instead of 1976.

Barack Obama

In her memoir Becoming, Michelle Obama described accidentally violating royal protocol by putting her arm around the queen as a show of affection and support, but says the queen didn’t seem offended and reciprocated the gesture.

Donald Trump

President Trump was accused of several royal faux-pas during his summer 2018 visit to England – including being late to meet the queen at Windsor Castle, walking in front of her, shaking her hand instead of bowing, and turning his back to her.

While the queen has been diplomatically mum on her opinions of Trump, he has praised her. “If you think of it, for so many years she has represented her country, she has really never made a mistake. You don’t see, like, anything embarrassing. She is just an incredible woman,” Trump said of the queen before their meeting.

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Trump embarked on his second chance to connect with the queen in June 2019, on a three-day state visit to the UK at Buckingham Palace. He joined her to commemorate the 75th anniversary of D-Day.

Joe Biden

The Duchess and the first lady paid a visit to the students at Connor Downs Academy and to one of the school’s rabbits, Storm.