Photos: Queen Elizabeth II has met 13 out of the last 14 U.S. presidents

President Harry S. Truman and Britain's Princess Elizabeth wave as their motorcade gets underway following a ceremony at Washington National Airport on Oct. 31, 1951. The president welcomed Elizabeth and her husband, Prince Philip, with the warm hope that "when you leave, you will like us even better than when you came."

Queen Elizabeth II is welcomed to Washington by President Dwight Eisenhower on Oct. 18, 1957.

President John F. Kennedy and first lady Jacqueline Kennedy attend a banquet at Buckingham Palace with Queen Elizabeth II and her husband, Prince Philip, on June 15, 1961.

Queen Elizabeth II with British Prime Minister Edward Heath, left, and President Richard Nixon and first lady Patricia Nixon at Chequers, the prime minister's official country residence, in 1970.

President Gerald Ford dances with Queen Elizabeth II at a White House ball during the 1976 bicentennial celebrations. 

President Jimmy Carter with Queen Elizabeth II at Buckingham Palace on May 7, 1977.

Queen Elizabeth II rides on the grounds of Windsor Castle with President Ronald Reagan on June 8, 1982. Both horses were gifts to the queen from the Canadian Mounted Police.

Queen Elizabeth II with President George H.W. Bush on the White House lawn May 14, 1991.

President Bill Clinton talks with Queen Elizabeth II along with first lady Hillary Clinton and their daughter, Chelsea, at Buckingham Palace on Dec. 14, 2000. 

Queen Elizabeth II and President George W. Bush deliver speeches at the White House on May 7, 2007.

President Barack Obama and Queen Elizabeth II at a state banquet in Buckingham Palace on May 24, 2011. 

President Donald Trump is greeted by Queen Elizabeth II at Buckingham Palace on June 3, 2019. 

President Joe Biden, first lady Jill Biden and Queen Elizabeth II stand in front of members of the Royal Guard at Windsor Castle in Windsor, Britain, on June 13, 2021.