31% knows the answer to this question: "Which famous astronomer was born in Pisa in Italy in 1564? "

And do you know the answer to this one? "In 1960, which manuscripts were found hidden in a cave in Jordan?"

58% knows the answer to this question: "What was the name of the Hungarian-born American magician who is famous for his sensational escape acts? "

And do you know the answer to this one? "In 1950 President Truman approved the construction of what type of bomb?"

49% knows the answer to this question: "In what country would you find the Monte Carlo National Orchestra, which has more members than the local military does? "

And do you know the answer to this one? "Captured by troops from Burgundy, who was burned in the Old Market Square in Rouen, France, on May 30, 1431?"

51% knows the answer to this question: "Which country led the Mayflower to America? "

And do you know the answer to this one? "Who was Martin Luther King, Jr.?"

91% knows the answer to this question: "In 1997 President Clinton denied having relations with whom? "

And do you know the answer to this one? "What are the indigenous people of Australia called?"

84% knows the answer to this question: "Princes Harry and William are members of what country's royal family? "

And do you know the answer to this one? "What was the name of the Roman god of the sea?"

73% knows the answer to this question: "Who was the first American president? "

And do you know the answer to this one? "Who was President between 1933-1945?"

64% knows the answer to this question: "In 1762 Catherine the Great became czarina of which country? "

And do you know the answer to this one? "What is the practice of supplying land with water from another place using canals?"

82% knows the answer to this question: "Who began to preach the religion of Islam openly in Mecca in the beginning of the 7th century? "

And do you know the answer to this one? "On which continent did the Renaissance take place?"

56% knows the answer to this question: "Who is Margaret Thatcher? "

And do you know the answer to this one? "By what name was the fighter pilot Baron Manfred von Richthofen better known?"

52% knows the answer to this question: "What was President Jefferson's first name? "

And do you know the answer to this one? "In which continent in Denmark located?"

66% knows the answer to this question: "Who killed John F. Kennedy in 1963? "

And do you know the answer to this one? "Which of the following Presidents' First Lady was named Hilary?"