Matt Dunham/AFP/Getty Images Britain's Queen Elizabeth II and US President Donald Trump inspect a guard of honor during Trump's visit to Windsor Castle in July 2018. Since the Queen ascended to the throne in 1952, 11 US presidents have been elected. She has met with all of them except Lyndon B. Johnson. All the Queen's presidents: From Truman to Trump

Matt Dunham/AFP/Getty Images Britain's Queen Elizabeth II and US President Donald Trump inspect a guard of honor during Trump's visit to Windsor Castle in July 2018. Since the Queen ascended to the throne in 1952, 11 US presidents have been elected. She has met with all of them except Lyndon B. Johnson.

Since Queen Elizabeth II ascended to the throne in 1952, 11 US presidents have been elected. The Queen has met with all of them except Lyndon B. Johnson.

For more, watch the CNN Original Series "The Windsors: Inside the Royal Dynasty" Sundays at 10 p.m. ET/PT.