31% knows the answer to this question: "In what country was the first Olympiad held? "

And do you know the answer to this one? "Jane Fonda portrayed which character in the 1968 movie "Barbarella"? "

44% knows the answer to this question: "Who introduced processed cheese in 1915? "

And do you know the answer to this one? "Which famous actor died in 1973?"

67% knows the answer to this question: "In what year did France and Britain declare war on Germany? "

And do you know the answer to this one? "Where in the United States did an earthquake kill 700 people in 1906?"

32% knows the answer to this question: "Tsar Ivan of which country married Anastasia Romanova in 1547? "

And do you know the answer to this one? "What King of England is known for having had six wives?"

85% knows the answer to this question: "In 1982, 4 streets in which UK city were renamed after the members of the Beatles? "

And do you know the answer to this one? "What is the name of the 1836 battle at which Davy Crockett was killed?"

42% knows the answer to this question: "What famously long war raged between the French Capetians and the English Plantagenets, each claiming the French throne? "

And do you know the answer to this one? "Camilla Shand and Prince Charles meet where?"

48% knows the answer to this question: "Which Asian country's ferry MV Sewol capsized and sank in 2014? "

And do you know the answer to this one? "In 1975, what future UK PM said, "We believe that everyone has the right to be unequal"?"

54% knows the answer to this question: "Mary Isobel Catherine Bernadette O'Brien is the real full name of which singer? "

And do you know the answer to this one? "Who was US President at the time of the September 11 attacks?"

91% knows the answer to this question: "What country's unstable Fourth Republic had more than 20 governments from 1946 until Charles de Gaulle returned to politics and replaced it with the Fifth Republic? "

And do you know the answer to this one? "What international holiday, started in 1970, celebrates the environment?"

86% knows the answer to this question: "The deadliest earthquake of 2012 occurred in which neighbour of India? "

And do you know the answer to this one? "What physical feature was a trademark of Mikhail Gorbachev, who led the Soviet Union from 1985-91?"

49% knows the answer to this question: "Which country's government is communist? "

And do you know the answer to this one? "Which former Prime Minister of Israel died in 2014?"

36% knows the answer to this question: "'Othello' was a play written by which historical figure? "

And do you know the answer to this one? "As Turks nibbled at his lands, the Byzantine Emperor asked the pope for help, which ended up being what series of medieval wars in the Middle East?"