52% knows the answer to this question: "Who won the Nobel Peace Prize for his part in negotiating an end to US involvement in Vietnam? "

And do you know the answer to this one? "Who did Michael Jackson marry in 1994?"

59% knows the answer to this question: "In the 14th century, Europe suffered a plague that killed about one third of its entire population. What name was given to that plague? "

And do you know the answer to this one? "In 1981, which famous figure was shot by John Hinckley? "

37% knows the answer to this question: "What city was divided, almost overnight, by a wall that went up on August 13, 1961? "

And do you know the answer to this one? "Anne Boleyn and Catherine Howard were married to which English king?"

38% knows the answer to this question: "West Germany's Hallstein Doctrine was designed to keep other nations from recognizing what other Germany? "

And do you know the answer to this one? "Which form of scanning was introduced in 1971?"

34% knows the answer to this question: "Hong Kong is a Special Administrative Region of what large Asian nation? "

And do you know the answer to this one? "Which of the following Presidents was assassinated?"

56% knows the answer to this question: "What was the name of Germany's World War Two boat created by Admiral Karl Donitz? "

And do you know the answer to this one? "Towards what historical city do Muslims face when praying?"

82% knows the answer to this question: "What famous person said: "Love is doing small things with great love"? "

And do you know the answer to this one? "In what city was John F. Kennedy assassinated?"

74% knows the answer to this question: "In 2013, Hassan Rouhani became the new President of which country? "

And do you know the answer to this one? "Whose "curse" has been explained as possibly being the mold found on some mummies?"

76% knows the answer to this question: "What people in ancient Peru referred to their empire as Tawantinsuyu, which means "the four regions"? "

And do you know the answer to this one? "In which year did Soviet troops liberate prisoners of Auschwitz?"

93% knows the answer to this question: "Which King of England had six wives? "

And do you know the answer to this one? "Who sung "These Boots Are Made For Walking"? "

69% knows the answer to this question: "What American city was founded by Mormons in 1847? "

And do you know the answer to this one? "Which of these people lived in a castle in Transylvania, Romania?"

81% knows the answer to this question: "What period began in Italy in 1325 which was known for its contribution to the arts? "

And do you know the answer to this one? "In which year did Soviet troops liberate prisoners of Auschwitz?"