48% knows the answer to this question: "Of these, which is a country music singer born in 1983? "

And do you know the answer to this one? "What accessory did Zippo Manufacturing Company introduce in 1933?"

43% knows the answer to this question: "What was Davy Crockett trying to defend when he was killed in 1836? "

And do you know the answer to this one? "In 1770, what 14-yr-old married the future Louis XVI in the Palace of Versailles?"

77% knows the answer to this question: "Who was Benito Mussolini? "

And do you know the answer to this one? "Which gun shelled Paris in World War I?"

39% knows the answer to this question: "What was the name of the Roman city that began with "P" which was destroyed when Mount Vesuvius erupted in 79 AD? "

And do you know the answer to this one? "What northern Iraqi ethnic group fought against Saddam Hussein's Republican Guard in 1991 and again in 2003?"

80% knows the answer to this question: "Where did the Romans go to socialize and bathe? "

And do you know the answer to this one? "Which nation is linked with England by a 31-mile underwater rail "Chunnel" finished in 1994?"

73% knows the answer to this question: "Who was Douglas MacArthur? "

And do you know the answer to this one? "What were the games that were held in Greece to honor the god Zeus called? "

89% knows the answer to this question: "The most famous gunfight in the history of the Old West took place on October 26, 1881, in Tombstone, Arizona. What is the name of the building where it happened? "

And do you know the answer to this one? "Sparta, Athens and Crete are all cities of which ancient empire?"

36% knows the answer to this question: "What racial strife affected South Africa in the 20th century? "

And do you know the answer to this one? "In what industry did John Davidson Rockefeller get rich?"

73% 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?"

33% knows the answer to this question: "Abigail Smith Adams was the wife of which American President? "

And do you know the answer to this one? "Joan of Arc was a national hero of which country?"

89% knows the answer to this question: "Which Cuban president had socialist leanings which angered U.S. leaders for decades? "

And do you know the answer to this one? "What big stringed music instrument, still existing today, was played in ancient Egypt?"

93% knows the answer to this question: "What was the purpose of the American Colonization Society, founded in 1816? "

And do you know the answer to this one? "What was Italy's traditional currency before the euro?"