36% knows the answer to this question: "Where is the Sicilian Mafia based? "

And do you know the answer to this one? "What is all the knowledge and values shared by a society?"

49% knows the answer to this question: "Which former NFL star was tried in '95 for the murder of his ex-wife and her friend? "

And do you know the answer to this one? "In what year was Pearl Harbor attacked by the Japanese?"

89% knows the answer to this question: "Which of these is an Egyptian pharaoh who had a servant whose sole job was to pick boogers out of the royal nose? "

And do you know the answer to this one? "The first American to become royalty was New Orleans-born Alice Heine, who was the second wife of Prince Albert I. And Albert was the great-grandfather of Prince Rainier III, who married another American. What country is this?"

77% knows the answer to this question: "Who began writing "Harry Potter and the Philosopher's Stone" in 1990? "

And do you know the answer to this one? "Whom did Britain's Prince Charles marry on July 29, 1981?"

83% knows the answer to this question: "The Tea Party are named after an event which took place in which American city during the late eighteenth century? "

And do you know the answer to this one? "What war did Muhammad Ali famously refuse to fight in?"

72% knows the answer to this question: "In 2012, which country held its first election following the death of Muammar Gaddafi? "

And do you know the answer to this one? "In which city did Julius Caesar die?"

54% knows the answer to this question: "During which dynasty was Beijing's Forbidden City -- and a lot of great vases -- built? "

And do you know the answer to this one? "The 'Luger' pistol was used predominantly by which country during World War I?"

65% knows the answer to this question: "Which member of a royal family was killed in a car crash in Paris in 1997? "

And do you know the answer to this one? "Who did South Africa release in 1990 after over 27 years of imprisonment?"

37% knows the answer to this question: "The Statue of Liberty was a gift from which country? "

And do you know the answer to this one? "Which is the best definition for history?"

34% knows the answer to this question: "The July Revolution of 1830 toppled Charles X in favor of Louis-Philippe. Where? "

And do you know the answer to this one? "Which of these people did Marcus Junius Brutus help kill?"

46% knows the answer to this question: "Prince Rainier III of Monaco married which Hollywood actress? "

And do you know the answer to this one? "Which animal famously held special significance for the ancient Egyptians?"

40% knows the answer to this question: "What is the name of the first mammal to be successfully cloned from an adult cell? "

And do you know the answer to this one? "Who gave her son Prince Charles the customary title of Prince of Wales?"