59% knows the answer to this question: "Of these, which was a world leader in the 80s? "

And do you know the answer to this one? "Latvia officially adopted which currency in 2014?"

76% knows the answer to this question: "In 1991, what was made the official language of Puerto Rico? "

And do you know the answer to this one? "In 2014, Bohuslav Sobotka became the Prime Minister of which Eastern European country?"

71% knows the answer to this question: "What was the Allied's name for any member of the group of female anti-American radio announcers who broadcasted Japanese propaganda during WWII? "

And do you know the answer to this one? "What are the Wright brothers famous for?"

95% knows the answer to this question: "What is the capital of Canada? "

And do you know the answer to this one? "What color are holly berries?"

50% 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 very quotable British prime minister never actually called Clement Atlee "a very modest man, who has much to be modest about" or "a sheep in sheep?s clothing"?"

88% 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? "What word refers to "the exchange of money for goods and/or services"?"

89% knows the answer to this question: "Mary Shelley wrote which famous horror story? "

And do you know the answer to this one? "Where were the first Olympic Games held?"

74% knows the answer to this question: "Which group released the song "Stop In The Name Of Love" in 1965? "

And do you know the answer to this one? "Malcolm Little was better known under which name in the 1960s?"

46% knows the answer to this question: "In what year did Nazi troops invade Soviet Russia? "

And do you know the answer to this one? "What year was the dictator Fidel Castro born?"

84% knows the answer to this question: "Who was William Shakespeare? "

And do you know the answer to this one? "Where did the Blitz of World War II take place?"

56% knows the answer to this question: "Who is Margaret Thatcher? "

And do you know the answer to this one? "D-Day' is commonly associated with which war?"

71% knows the answer to this question: "Children get Type 1. Adults get Type 2, especially if they are obese. And pregnant women can get it, too. What is it? "

And do you know the answer to this one? "What is a 10-letter word meaning "to lessen the worth of"?"