8. 1959
Recognize that man standing in the middle? Well that's none other than President Dwight D. Eisenhower, who served as president of the United States from 1953 to 1961. 

That's Prince Philip on the left and President Eisenhower's son, John, on the right. As for the two children — they're Charles and Anne, of course! The crew is hanging out on the lawn of Balmoral Castle in Scotland. 

John Eisenhower had a long military career and was later the United States Ambassador to Belgium during President Nixon's administration.