30% knows the answer to this question: "What is the process of a river washing away its riverbanks called? "

And do you know the answer to this one? "The French term "trompe l'oeil" refers to paintings so realistic they trick what?"

49% knows the answer to this question: "Which musician headlined the Woodstock Festival in 1969? "

And do you know the answer to this one? "Which British prince was born to Prince William in 2013?"

30% knows the answer to this question: "Opened in 1983, the Seikan Tunnel connected the islands of Honshu and Hokkaido in which country? "

And do you know the answer to this one? "Pittsburgh was named after which British statesman?"

68% knows the answer to this question: "What country did Czar Nicholas lead? "

And do you know the answer to this one? "Which musician headlined the Woodstock Festival in 1969?"

40% knows the answer to this question: "Opened in 1983, the Seikan Tunnel connected the islands of Honshu and Hokkaido in which country? "

And do you know the answer to this one? "Pittsburgh was named after which British statesman?"

86% knows the answer to this question: "What iconic car was produced by Volkswagen beginning in 1945? "

And do you know the answer to this one? "The Casket Letters suggest that what queen, also known as Mary Stuart, had a hand in killing her second husband, Lord Darnley?"

59% knows the answer to this question: "What was the surname of James, first European explorer to sight Australia? "

And do you know the answer to this one? "Josef Stalin was the leader of which country?"

47% knows the answer to this question: "What novel features a great white whale? "

And do you know the answer to this one? "Who is Billie Jean King?"

77% knows the answer to this question: "What Russian emperor put down the streltsi (a Moscow version of the Beefeaters) after they rebelled while he was abroad in 1690s? "

And do you know the answer to this one? "In the days of the Roman Empire, which luxurious fabric was sold for its weight in gold?"

53% knows the answer to this question: "In which book would you expect to find the characters the Mad Hatter and the March Hare? "

And do you know the answer to this one? "Black Monday in 1987 refers to which of these areas?"

85% knows the answer to this question: "What Russian emperor put down the streltsi (a Moscow version of the Beefeaters) after they rebelled while he was abroad in 1690s? "

And do you know the answer to this one? "In the days of the Roman Empire, which luxurious fabric was sold for its weight in gold?"

67% knows the answer to this question: "What weather phenomenon was the Norse god Thor thought to control? "

And do you know the answer to this one? "Who became the supreme leader of North Korea on December 28, 2011?"