Queen Elizabeth II of the UK met with 11 US Presidents.
Amazing, but the Queen is still the Queen, and only one of those eleven is still the President of the USA.
Actually, only five of them are still alive.Great pictures.
Barack Obama

George W. Bush

Bill Clinton

George H. W. Bush
Ronald Reagan

Jimmy Carter
Gerald Ford
Richard Nixon
John F. Kennedy

Dwight D. Eisenhower
Harry S. Truman