32% knows the answer to this question: "How old was Prince Harry when his mother died? "

And do you know the answer to this one? "What year did American bombing of North Vietnam begin?"

45% knows the answer to this question: "Before he was overthrown, Juan Peron planned to inter what wife of his in a monument larger than the Statue of Liberty, depicting a descamisado peasant? "

And do you know the answer to this one? "What is the name of the project that built the first nuclear weapon?"

50% knows the answer to this question: "The first Autobahn opened in which country in 1932? "

And do you know the answer to this one? "Eric Clapton first came to prominence in the 1960s - which instrument does he play?"

31% 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?"

60% knows the answer to this question: "Which of these is actually a famous battle in history? "

And do you know the answer to this one? "What was the only U.S. state that was formerly a kingdom with a ruling monarch?"

70% knows the answer to this question: "Who was murdered in the Ides of March in 44 BC by a group of senators led by Brutus and Cassius? "

And do you know the answer to this one? "Charles V built the Bastille as a fort to protect what city?"

90% knows the answer to this question: "Which form of transportation was invented first? "

And do you know the answer to this one? "In 1995 who most famously said 'There were three of us in this marriage'?"

31% knows the answer to this question: "Where did the Blitz of World War II take place? "

And do you know the answer to this one? "Which famous US artist was the poster boy of the Pop Art movement?"

63% knows the answer to this question: "What English queen not only executed 180 Catholics (including Spanish-trained Jesuit priests), but also Puritans, who thought Anglicanism too Catholic? "

And do you know the answer to this one? "In what country is the World Heritage site, Cathedral of Notre-Dame?"

87% knows the answer to this question: "Who did Barack Obama marry in 1992? "

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

69% knows the answer to this question: "Napoleon was the leader of which country? "

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

85% knows the answer to this question: "First flown in 1936 in Germany, what was the Hindenburg? "

And do you know the answer to this one? "The Roman Empire was centered in which present-day country?"