Queen Elizabeth II Has Met 12 U.S. Presidents

President Dwight D. Eisenhower was the first sitting U.S. president to host Queen Elizabeth. Here she stands with Eisenhower at the White House State banquet he held in her honor on Oct. 20, 1957, in Washington. Eisenhower is wearing the British Order of Merit awarded him by King George VI after World War II. (Keystone/Getty Images)