Queen Elizabeth II Has Met 12 U.S. Presidents

Queen Elizabeth met former President Herbert Hoover in 1957, more than 20 years after he left the White House. She joined Hoover, left, and New York Mayor Robert Wagner at a luncheon in the Waldorf-Astoria hotel, New York, Oct. 21, 1957. The Mayor's luncheon was held in honor of the Queen after she was given a ticker tape parade up lower Broadway and an official city welcome at city hall. (AP Photo)