41% knows the answer to this question: "Which Bill was one of the key figures of rock'n'roll in the 1950s? "

And do you know the answer to this one? " Who was Pinocchio's long suffering father?"

66% knows the answer to this question: "Who is married to Fred Flintstone? "

And do you know the answer to this one? "Which "H" did Britain hand back to the Chinese in 1997? "

76% knows the answer to this question: "The Irish Free State gained independence from who in 1922? "

And do you know the answer to this one? "Who took control of Cuba in the 1950s?"

83% knows the answer to this question: "What was 'in the window' in the title of a 1950s hit by Pattie Page and Liza Roza? "

And do you know the answer to this one? "The Battle of Fort Sumter was part of which war?"

71% knows the answer to this question: "What word was used to describe the side of the UK, America and Russia in WW2? "

And do you know the answer to this one? "Akihito became Emperor of which country in 1989?"

79% knows the answer to this question: "Who was Richard I? "

And do you know the answer to this one? "Which form of Buddhism stressed meditation as a means to enlightenment?"

54% knows the answer to this question: "Who was the wife of King Louis XVI and the primary symbol of the French royalty's extravagance and excess? "

And do you know the answer to this one? "In the 1250s, the Little Ice Age began, precipitating the Great Famine from 1315-22, which left Europe medically vulnerable to what epidemic from 1347-51?"

37% knows the answer to this question: "Who built the Ark? "

And do you know the answer to this one? "Who was the first man?"

78% knows the answer to this question: "What singer/dancer insured both his legs (for $75,000) and both his arms (for $20,000)? "

And do you know the answer to this one? "How many lungs does the average mammal have?"

79% knows the answer to this question: "In what century did Winston Churchill lead the United Kingdom? "

And do you know the answer to this one? "What was "Spirit of St. Louis"?"

94% knows the answer to this question: "The U.S. invaded Afghanistan in 2001 to topple what government? "

And do you know the answer to this one? "In 2014, scientists first converted normal cells into what kind of cells?"

58% knows the answer to this question: "In 1629, Giovanni Branca was credited with which invention/discovery? "

And do you know the answer to this one? "In the 1100s, the Minamoto and Taira clans had dumped the Fujiwara clan, then turned on each other in the Gempei War, which the Minamoto won in 1185 after the Battle of Dannoura. Where?"