33% knows the answer to this question: "What dynasty built most of the present-day Great Wall of China as a way to keep out the Mongols? "

And do you know the answer to this one? "Achilles is the mythical hero protagonist of Iliad and other Greek legends. Despite being almost invulnerable, had only one weakness. Which one?"

81% knows the answer to this question: "Which ancient kingdom was ruled by the Pharaohs? "

And do you know the answer to this one? "What kind of water did Joseph Priestly invent in 1767?"

76% knows the answer to this question: "What function did the Ancient Egyptian pyramid's perform? "

And do you know the answer to this one? "From What disease did the Romantic poet John Keats die?"

66% knows the answer to this question: "Prince Rainier III of Monaco married which Hollywood actress? "

And do you know the answer to this one? "Which animal famously held special significance for the ancient Egyptians?"

38% knows the answer to this question: "Which country did Joan of Arc try to set free from English domination? "

And do you know the answer to this one? "What happen in Tiananmen Square in 1989?"

78% knows the answer to this question: "What was the name of the US's first music chart, which started recording sales in August 1958? "

And do you know the answer to this one? "With which country did the United States begin the "space race" with in the 1950s?"

43% knows the answer to this question: "Which nation became the 28th member of the European Union in 2013? "

And do you know the answer to this one? "The Oxford English Dictionary's 2013 Word of the Year was what?"

58% knows the answer to this question: "In the Trojan War, Paris of Troy famously stole away which woman? "

And do you know the answer to this one? "The first non-Italian pope elected since the 1500s, Pope John Paul II was of what nationality?"

56% knows the answer to this question: "Ma Ying-jeou won a second term as President of what island country in 2012? "

And do you know the answer to this one? "Which country cut the natural gas supply to Ukraine in 2006 over a price dispute?"

83% knows the answer to this question: "Which Asian country exploded a nuclear bomb underground in 2013? "

And do you know the answer to this one? "Which American singer was born in 1979?"

73% knows the answer to this question: "Who is the month of July named after? "

And do you know the answer to this one? "Who starred in "The Fresh Prince of Bel Air"? "

84% knows the answer to this question: "Who invented the telephone? "

And do you know the answer to this one? "On what Japanese cities did the U.S. drop atomic bombs in 1945?"