70% knows the answer to this question: "Whose quote is this: "Never interrupt your enemy when he is making a mistake"? "

And do you know the answer to this one? "Who was David Ben-Gurion?"

54% knows the answer to this question: "What were trade associations formed in medieval towns called? "

And do you know the answer to this one? "What was the name of the mother of Queen Mary II?"

64% knows the answer to this question: "Which four U.S. Presidents' heads are carved onto the Mount Rushmore National Memorial? "

And do you know the answer to this one? "What was the name of the U.S. space shuttle that exploded after liftoff in 1986?"

86% knows the answer to this question: "One of the ancient world wonders the 'Hanging Gardens' was found in which city? "

And do you know the answer to this one? "What animal was introduced to Australia in 1788 as food and quickly became, and still are, a serious mammalian pest?"

68% knows the answer to this question: "What name was given to the embroidered box-like contraption at the front of men's breeches in the early sixteenth century? "

And do you know the answer to this one? "Coahuila, Nuevo Leon and Tamaulipas all (briefly) declared independence from what country, becoming the Republic of the Rio Grande?"

78% knows the answer to this question: "Project MKUltra was an experiment conducted by the CIA using which drug? "

And do you know the answer to this one? "Which word describes a long poem describing heroes and great events, such as "The Odyssey"?"

95% knows the answer to this question: "What famous bridge was moved from its original home in England and reassembled in Arizona? "

And do you know the answer to this one? "What disastrous event took place at Three Mile Island in Pennsylvania on 28 March 1979?"

52% knows the answer to this question: "A suicide bomber attacked the US embassy in which Asian country in 2013? "

And do you know the answer to this one? "What European theme park did French intellectuals hope to keep from opening in the 1990's?"

50% knows the answer to this question: "Prior to becoming President of the United States, Ronald Reagan served as Governor of which state? "

And do you know the answer to this one? "Who was Lady Bird Johnson?"

37% knows the answer to this question: "Twenty-two months of negotiation and the 1998 Good Friday Agreement ended violence in what nation? "

And do you know the answer to this one? "Where can you find the Chartres Cathedral?"

56% knows the answer to this question: "What name was given to a ruler of Ancient Egypt? "

And do you know the answer to this one? "What was the name of the Soviet Union's infamous national security agency between 1954 and 1991?"

81% knows the answer to this question: "What is the name of the Ukrainian power plant where a major nuclear accident occurred in 1986? "

And do you know the answer to this one? "What was President Ford's first name?"