84% knows the answer to this question: "Who sang the famous song "Yesterday" (1965) ? "

And do you know the answer to this one? "Who sang the famous song "Burning Love" (1972) ?"

71% knows the answer to this question: "Where is the Palace of Versailles? "

And do you know the answer to this one? "In which area did the hippie movement first begin?"

49% knows the answer to this question: "Where is the Mekong River Delta? "

And do you know the answer to this one? "The ancient Egyptian civilization was based around which river?"

78% knows the answer to this question: "In the novel "Hans Brinker", what is Hans' sister's name? "

And do you know the answer to this one? "The sovereignty of which city was established by 1929's Lateran Treaty?"

67% knows the answer to this question: "Which country did Elvis Presley serve in after completing his basic training? "

And do you know the answer to this one? "William Wallace was a famous freedom fighter from which country?"

63% knows the answer to this question: "The Rolling Stones had which of these hit singles in 1967? "

And do you know the answer to this one? "Which of these musicians was a member of The Monkees?"

72% knows the answer to this question: "Which fruit, used in jellies, juices and wine, is a major export of Italy? "

And do you know the answer to this one? "Superman would fear what rare, well-hidden gas, whose name comes from the Greek for "hidden"?"

36% knows the answer to this question: "In what year did Nazi troops invade Soviet Russia? "

And do you know the answer to this one? "What year was the dictator Fidel Castro born?"

86% knows the answer to this question: "If you spend 20 dollars a week on a manicure, how much money is that in a year? "

And do you know the answer to this one? "How many yards are in 1/10 of a mile?"

89% knows the answer to this question: "Who won the Spanish-American War? "

And do you know the answer to this one? "Growing this provided much of the wealth on which Greek civilization was built, but the trees have deep roots that do a poor job of binding soil, so they ultimately cost Greece its agricultural productivity, contributing to its downfall. What is it?"

39% knows the answer to this question: "What puzzle, invented in 1981, was a cube made of 26 colored pieces that rotated? "

And do you know the answer to this one? "What is done to a baking tin to prevent food from sticking to it?"

36% knows the answer to this question: "Alcatraz was a prison on an island with a nice view of a major US city. What bay is the Rock in? "

And do you know the answer to this one? "Called America's Rhine, what river flows past West Point and separates Manhattan from New Jersey?"