93% knows the answer to this question: "Indira Gandhi was the leader of which country until 1984? "

And do you know the answer to this one? "What event lead to a large number of Irish immigrants to USA in the 1840s?"

42% knows the answer to this question: "What year did Salvador Dali paint "Persistence of Memory"? "

And do you know the answer to this one? "Louis B. Mayer is known best as this?"

56% knows the answer to this question: "During which civil war did the 'Battle of Aquia Creek' take place? "

And do you know the answer to this one? "What was the surname of John Logie, television pioneer?"

86% knows the answer to this question: "Advertising of which product was banned from UK television in 1965? "

And do you know the answer to this one? "A series of events referred to as "the troubles" begins in what country?"

30% knows the answer to this question: "A shortage of what, led 1940's women to paint seams on the back of their legs? "

And do you know the answer to this one? "What was the name of the Hungarian-born American magician who is famous for his sensational escape acts?"

77% knows the answer to this question: "Who became the first female prime minister of Great Britain in 1979? "

And do you know the answer to this one? "Monica Lewinsky had a relationship with which US President in the 1990s?"

49% knows the answer to this question: "What was Italy's traditional currency before the euro? "

And do you know the answer to this one? "What was the purpose of the American Colonization Society, founded in 1816? "

54% knows the answer to this question: "What is the term for the amount of money a government owes? "

And do you know the answer to this one? "Philippe Bunau-Varilla negotiated the treaty by which Panama sold the land for this. As one of Ferdinand De Lesseps' staff, he helped build this. What?"

39% knows the answer to this question: "What was another name for the Bubonic Plague? "

And do you know the answer to this one? "In 1985, Microsoft was credited with which invention/discovery?"

34% knows the answer to this question: "What is a depository containing historical records and documents? "

And do you know the answer to this one? "Who created Facebook?"

81% knows the answer to this question: "Why was the Great Wall of China built? "

And do you know the answer to this one? "Who invented a system of raised dots, allowing blind people to read?"

42% knows the answer to this question: "In which month of 1944 was D-Day? "

And do you know the answer to this one? "Who flew the first successful solo nonstop flight from New York to Paris?"