56% knows the answer to this question: "On which holiday do people sometimes give conversation hearts? "

And do you know the answer to this one? "In 16th- and 17th-century Europe, what class of people found ballroom dancing a popular pastime?"

94% knows the answer to this question: "World War I officially ended with the signing of what treaty on June 28, 1919? "

And do you know the answer to this one? "Dmitri of the Don replaced the wooden walls of what city's Kremlin with stone ones?"

69% knows the answer to this question: "What member of the Beatles was shot to death on December 8, 1980? "

And do you know the answer to this one? "The average life expectancy of a US female in 1970 was what?"

82% knows the answer to this question: "Where did the IRA declare a cease fire in 1994? "

And do you know the answer to this one? "The Israeli flag features what six-pointed shape?"

73% knows the answer to this question: "When Sultan Taimur bin Feisal tried to abdicate in this country, his British puppetmasters refused to allow it. What country is this? "

And do you know the answer to this one? "In what nation were the Dead Sea Scrolls found beginning in 1947?"

47% knows the answer to this question: "In 1989, authorities added 750 metric tonnes of lead weights around the north side of its base, to keep what city's Leaning Tower from collapsing? "

And do you know the answer to this one? "What is Europe's most visited theme park?"

35% knows the answer to this question: "Which country did St. Patrick help convert to Christianity? "

And do you know the answer to this one? "Public bath houses are closely associated with which ancient civilization?"

94% knows the answer to this question: "In what country would you most likely be if paying for something with an afghani? "

And do you know the answer to this one? "Which American clergyman, activist, and leader was born in 1929? "

57% knows the answer to this question: "What agreement, signed in 1215 by King John of England, is considered one of the founding documents of modern democracy? "

And do you know the answer to this one? "Although born in Georgia, Eugene Bullard became the first black combat pilot when he flew for what country, which awarded him the Legion d'honneur?"

45% knows the answer to this question: "Which country bankrolled Columbus' expedition to discover America in 1492? "

And do you know the answer to this one? "Who did Leonid Brezhnev replace as the Soviet Premier in 1964?"

64% knows the answer to this question: "In 1981, which of these became the first 24-hour cable network for music? "

And do you know the answer to this one? "Silvio Berlusconi was expelled for what crime in 2013?"

61% knows the answer to this question: "Which prayer-ending word comes for the Hebrew for "so be it"? "

And do you know the answer to this one? "In 2013, a deadly train wreck took place in which country's Santiago de Compostela?"